From 7d08de9c994aaabc7878ab0b17e358dab95b0b8d Mon Sep 17 00:00:00 2001
From: Hiroyasu Nishiyama <hiroyasu.nishiyama.uq@hitachi.com>
Date: Thu, 28 Jan 2021 05:50:13 +0900
Subject: [PATCH] Storage examples (#2784)

* add examples of file node

* add file-in node examples

* add watch node examples
---
 .../file-in/01 - Read string from a file.json | 113 ++++++++++
 .../02 - Read data in specified encoding.json | 113 ++++++++++
 ...ead data breaking lines into messages.json | 132 ++++++++++++
 .../file-in/04 - Create a message stream.json | 201 ++++++++++++++++++
 .../file/01 - Write string to a file.json     | 113 ++++++++++
 ...tring to a file specified by property.json | 118 ++++++++++
 .../storage/file/03 - Delete a file.json      |  85 ++++++++
 ...04 - Specify encoding of written data.json | 113 ++++++++++
 .../watch/01 - Watch change of a file.json    | 108 ++++++++++
 .../02 - Watch change in a directory.json     | 163 ++++++++++++++
 10 files changed, 1259 insertions(+)
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file-in/01 - Read string from a file.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file-in/02 - Read data in specified encoding.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file-in/03 - Read data breaking lines into messages.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file-in/04 - Create a message stream.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file/01 - Write string to a file.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file/02 - Write string to a file specified by property.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file/03 - Delete a file.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/file/04 - Specify encoding of written data.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/watch/01 - Watch change of a file.json
 create mode 100644 packages/node_modules/@node-red/nodes/examples/storage/watch/02 - Watch change in a directory.json

diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file-in/01 - Read string from a file.json b/packages/node_modules/@node-red/nodes/examples/storage/file-in/01 - Read string from a file.json
new file mode 100644
index 000000000..14d7152c7
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file-in/01 - Read string from a file.json	
@@ -0,0 +1,113 @@
+[
+    {
+        "id": "84222b92.d65d18",
+        "type": "inject",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "Hello, World!",
+        "payloadType": "str",
+        "x": 230,
+        "y": 220,
+        "wires": [
+            [
+                "b4b9f603.739598"
+            ]
+        ]
+    },
+    {
+        "id": "7b014430.dfd94c",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "Write string to a file, then read from the file",
+        "info": "File-in node can read string from a file.",
+        "x": 260,
+        "y": 140,
+        "wires": []
+    },
+    {
+        "id": "b4b9f603.739598",
+        "type": "file",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 420,
+        "y": 220,
+        "wires": [
+            [
+                "6dc01cac.5c4bf4"
+            ]
+        ]
+    },
+    {
+        "id": "2587adb9.7e60f2",
+        "type": "debug",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 810,
+        "y": 220,
+        "wires": []
+    },
+    {
+        "id": "6dc01cac.5c4bf4",
+        "type": "file in",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "format": "utf8",
+        "chunk": false,
+        "sendError": false,
+        "encoding": "none",
+        "x": 620,
+        "y": 220,
+        "wires": [
+            [
+                "2587adb9.7e60f2"
+            ]
+        ]
+    },
+    {
+        "id": "f4b4309a.3b78a",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↑read result from file",
+        "info": "",
+        "x": 630,
+        "y": 260,
+        "wires": []
+    },
+    {
+        "id": "672d3693.3cabd8",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↓write to /tmp/hello.txt",
+        "info": "",
+        "x": 440,
+        "y": 180,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file-in/02 - Read data in specified encoding.json b/packages/node_modules/@node-red/nodes/examples/storage/file-in/02 - Read data in specified encoding.json
new file mode 100644
index 000000000..d96623fb1
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file-in/02 - Read data in specified encoding.json	
@@ -0,0 +1,113 @@
+[
+    {
+        "id": "8997398f.c5d628",
+        "type": "inject",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "😀",
+        "payloadType": "str",
+        "x": 210,
+        "y": 480,
+        "wires": [
+            [
+                "56e32d23.050f44"
+            ]
+        ]
+    },
+    {
+        "id": "4e598e65.1799d",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "Read data in specified encoding",
+        "info": "File-in node can specify encoding of data read from a file.",
+        "x": 230,
+        "y": 400,
+        "wires": []
+    },
+    {
+        "id": "56e32d23.050f44",
+        "type": "file",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 380,
+        "y": 480,
+        "wires": [
+            [
+                "38fa0579.f2cd8a"
+            ]
+        ]
+    },
+    {
+        "id": "d28c8994.99c0a8",
+        "type": "debug",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 770,
+        "y": 480,
+        "wires": []
+    },
+    {
+        "id": "38fa0579.f2cd8a",
+        "type": "file in",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "format": "utf8",
+        "chunk": false,
+        "sendError": false,
+        "encoding": "base64",
+        "x": 580,
+        "y": 480,
+        "wires": [
+            [
+                "d28c8994.99c0a8"
+            ]
+        ]
+    },
+    {
+        "id": "fa22ca20.ae4528",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↑read data from file as base64 string",
+        "info": "",
+        "x": 640,
+        "y": 520,
+        "wires": []
+    },
+    {
+        "id": "148e25ad.98891a",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↓write to /tmp/hello.txt",
+        "info": "",
+        "x": 400,
+        "y": 440,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file-in/03 - Read data breaking lines into messages.json b/packages/node_modules/@node-red/nodes/examples/storage/file-in/03 - Read data breaking lines into messages.json
new file mode 100644
index 000000000..b3d35a4da
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file-in/03 - Read data breaking lines into messages.json	
@@ -0,0 +1,132 @@
+[
+    {
+        "id": "6a0b1d03.d4cee4",
+        "type": "inject",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "",
+        "payloadType": "date",
+        "x": 220,
+        "y": 740,
+        "wires": [
+            [
+                "d4b00cb7.a5a23"
+            ]
+        ]
+    },
+    {
+        "id": "f17ea1d1.8ecc3",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "Read data breaking lines into individual messages",
+        "info": "File-in node can break read text into messages with individual lines",
+        "x": 290,
+        "y": 660,
+        "wires": []
+    },
+    {
+        "id": "99ae7806.1d6428",
+        "type": "file",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 540,
+        "y": 740,
+        "wires": [
+            [
+                "70d7892f.d27db8"
+            ]
+        ]
+    },
+    {
+        "id": "7ed8282c.92b338",
+        "type": "debug",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 810,
+        "y": 800,
+        "wires": []
+    },
+    {
+        "id": "70d7892f.d27db8",
+        "type": "file in",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "format": "lines",
+        "chunk": false,
+        "sendError": false,
+        "encoding": "none",
+        "x": 620,
+        "y": 800,
+        "wires": [
+            [
+                "7ed8282c.92b338"
+            ]
+        ]
+    },
+    {
+        "id": "c1b7e05.1d94b2",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↑read data from file breaking lines into messages",
+        "info": "",
+        "x": 720,
+        "y": 840,
+        "wires": []
+    },
+    {
+        "id": "a5f647b2.cf27a8",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↓write to /tmp/hello.txt",
+        "info": "",
+        "x": 560,
+        "y": 700,
+        "wires": []
+    },
+    {
+        "id": "d4b00cb7.a5a23",
+        "type": "template",
+        "z": "194a3e4f.a92772",
+        "name": "data",
+        "field": "payload",
+        "fieldType": "msg",
+        "format": "handlebars",
+        "syntax": "plain",
+        "template": "one\ntwo\nthree!",
+        "output": "str",
+        "x": 370,
+        "y": 740,
+        "wires": [
+            [
+                "99ae7806.1d6428"
+            ]
+        ]
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file-in/04 - Create a message stream.json b/packages/node_modules/@node-red/nodes/examples/storage/file-in/04 - Create a message stream.json
new file mode 100644
index 000000000..18b462755
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file-in/04 - Create a message stream.json	
@@ -0,0 +1,201 @@
+[
+    {
+        "id": "bdd57acc.2edc48",
+        "type": "inject",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "",
+        "payloadType": "date",
+        "x": 220,
+        "y": 1040,
+        "wires": [
+            [
+                "7a069b01.0c2324"
+            ]
+        ]
+    },
+    {
+        "id": "1fd12220.33953e",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "Creating a message stream from lines of data",
+        "info": "File-in node can break read text into messages with individual lines.  The messages creates a stream of messages.",
+        "x": 270,
+        "y": 960,
+        "wires": []
+    },
+    {
+        "id": "ab6eb213.2a08d",
+        "type": "file",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 540,
+        "y": 1040,
+        "wires": [
+            [
+                "b7ed49b0.649fb8"
+            ]
+        ]
+    },
+    {
+        "id": "c48d8ae0.9ff3a8",
+        "type": "debug",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 810,
+        "y": 1140,
+        "wires": []
+    },
+    {
+        "id": "b7ed49b0.649fb8",
+        "type": "file in",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "format": "lines",
+        "chunk": false,
+        "sendError": false,
+        "encoding": "none",
+        "x": 280,
+        "y": 1140,
+        "wires": [
+            [
+                "83073ebe.fcce4"
+            ]
+        ]
+    },
+    {
+        "id": "3c33e69f.6a04ba",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↑read data from file breaking lines into messages",
+        "info": "",
+        "x": 380,
+        "y": 1180,
+        "wires": []
+    },
+    {
+        "id": "3598bf7d.5712a",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↓write to /tmp/hello.txt",
+        "info": "",
+        "x": 560,
+        "y": 1000,
+        "wires": []
+    },
+    {
+        "id": "7a069b01.0c2324",
+        "type": "template",
+        "z": "194a3e4f.a92772",
+        "name": "data",
+        "field": "payload",
+        "fieldType": "msg",
+        "format": "handlebars",
+        "syntax": "plain",
+        "template": "Apple\nBanana\nGrape\nOrange",
+        "output": "str",
+        "x": 370,
+        "y": 1040,
+        "wires": [
+            [
+                "ab6eb213.2a08d"
+            ]
+        ]
+    },
+    {
+        "id": "8d4ed1d0.821fe",
+        "type": "join",
+        "z": "194a3e4f.a92772",
+        "name": "",
+        "mode": "auto",
+        "build": "string",
+        "property": "payload",
+        "propertyType": "msg",
+        "key": "topic",
+        "joiner": "\\n",
+        "joinerType": "str",
+        "accumulate": "false",
+        "timeout": "",
+        "count": "",
+        "reduceRight": false,
+        "x": 630,
+        "y": 1140,
+        "wires": [
+            [
+                "c48d8ae0.9ff3a8"
+            ]
+        ]
+    },
+    {
+        "id": "83073ebe.fcce4",
+        "type": "switch",
+        "z": "194a3e4f.a92772",
+        "name": "< D",
+        "property": "payload",
+        "propertyType": "msg",
+        "rules": [
+            {
+                "t": "lt",
+                "v": "D",
+                "vt": "str"
+            }
+        ],
+        "checkall": "true",
+        "repair": true,
+        "outputs": 1,
+        "x": 470,
+        "y": 1140,
+        "wires": [
+            [
+                "8d4ed1d0.821fe"
+            ]
+        ]
+    },
+    {
+        "id": "2088e195.f7aebe",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↓filter data before \"D\"",
+        "info": "",
+        "x": 520,
+        "y": 1100,
+        "wires": []
+    },
+    {
+        "id": "b848cdc7.61e06",
+        "type": "comment",
+        "z": "194a3e4f.a92772",
+        "name": "↑join to single string",
+        "info": "",
+        "x": 670,
+        "y": 1180,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file/01 - Write string to a file.json b/packages/node_modules/@node-red/nodes/examples/storage/file/01 - Write string to a file.json
new file mode 100644
index 000000000..2be033021
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file/01 - Write string to a file.json	
@@ -0,0 +1,113 @@
+[
+    {
+        "id": "84222b92.d65d18",
+        "type": "inject",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "Hello, World!",
+        "payloadType": "str",
+        "x": 230,
+        "y": 200,
+        "wires": [
+            [
+                "b4b9f603.739598"
+            ]
+        ]
+    },
+    {
+        "id": "7b014430.dfd94c",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "Write string to a file, then read from the file",
+        "info": "File node can write string to a file.",
+        "x": 260,
+        "y": 120,
+        "wires": []
+    },
+    {
+        "id": "b4b9f603.739598",
+        "type": "file",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 420,
+        "y": 200,
+        "wires": [
+            [
+                "6dc01cac.5c4bf4"
+            ]
+        ]
+    },
+    {
+        "id": "2587adb9.7e60f2",
+        "type": "debug",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 810,
+        "y": 200,
+        "wires": []
+    },
+    {
+        "id": "6dc01cac.5c4bf4",
+        "type": "file in",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "format": "utf8",
+        "chunk": false,
+        "sendError": false,
+        "encoding": "none",
+        "x": 620,
+        "y": 200,
+        "wires": [
+            [
+                "2587adb9.7e60f2"
+            ]
+        ]
+    },
+    {
+        "id": "f4b4309a.3b78a",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "↑read result from file",
+        "info": "",
+        "x": 630,
+        "y": 240,
+        "wires": []
+    },
+    {
+        "id": "672d3693.3cabd8",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "↓write to /tmp/hello.txt",
+        "info": "",
+        "x": 440,
+        "y": 160,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file/02 - Write string to a file specified by property.json b/packages/node_modules/@node-red/nodes/examples/storage/file/02 - Write string to a file specified by property.json
new file mode 100644
index 000000000..6aaff500a
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file/02 - Write string to a file specified by property.json	
@@ -0,0 +1,118 @@
+[
+    {
+        "id": "704479e1.399388",
+        "type": "inject",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "filename",
+                "v": "/tmp/hello.txt",
+                "vt": "str"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "Hello, World!",
+        "payloadType": "str",
+        "x": 230,
+        "y": 400,
+        "wires": [
+            [
+                "402f3b7e.988014"
+            ]
+        ]
+    },
+    {
+        "id": "8e876a75.e9beb8",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "Write string to a file specied by filename property, the read from the file",
+        "info": "File node can target file using `filename` property.",
+        "x": 350,
+        "y": 320,
+        "wires": []
+    },
+    {
+        "id": "402f3b7e.988014",
+        "type": "file",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "filename": "",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 390,
+        "y": 400,
+        "wires": [
+            [
+                "26e077d6.bbcd98"
+            ]
+        ]
+    },
+    {
+        "id": "97b6b6b2.a54b38",
+        "type": "debug",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 770,
+        "y": 400,
+        "wires": []
+    },
+    {
+        "id": "26e077d6.bbcd98",
+        "type": "file in",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "format": "utf8",
+        "chunk": false,
+        "sendError": false,
+        "encoding": "none",
+        "x": 580,
+        "y": 400,
+        "wires": [
+            [
+                "97b6b6b2.a54b38"
+            ]
+        ]
+    },
+    {
+        "id": "85062297.da79",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "↑read result from file",
+        "info": "",
+        "x": 590,
+        "y": 440,
+        "wires": []
+    },
+    {
+        "id": "7316c4fc.b1dcdc",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "↓write to file specified by filename property",
+        "info": "",
+        "x": 500,
+        "y": 360,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file/03 - Delete a file.json b/packages/node_modules/@node-red/nodes/examples/storage/file/03 - Delete a file.json
new file mode 100644
index 000000000..fe6ac166b
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file/03 - Delete a file.json	
@@ -0,0 +1,85 @@
+[
+    {
+        "id": "4ac00fb0.d5f52",
+        "type": "inject",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "",
+        "payloadType": "date",
+        "x": 220,
+        "y": 600,
+        "wires": [
+            [
+                "542cc2f4.92857c"
+            ]
+        ]
+    },
+    {
+        "id": "671f8295.0e6f6c",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "Delete a file",
+        "info": "File node can delete a file.",
+        "x": 170,
+        "y": 540,
+        "wires": []
+    },
+    {
+        "id": "542cc2f4.92857c",
+        "type": "file",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "delete",
+        "encoding": "none",
+        "x": 420,
+        "y": 600,
+        "wires": [
+            [
+                "a24da523.5babe8"
+            ]
+        ]
+    },
+    {
+        "id": "a24da523.5babe8",
+        "type": "debug",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 630,
+        "y": 600,
+        "wires": []
+    },
+    {
+        "id": "51157051.2f62",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "↓delete a file",
+        "info": "",
+        "x": 390,
+        "y": 560,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/file/04 - Specify encoding of written data.json b/packages/node_modules/@node-red/nodes/examples/storage/file/04 - Specify encoding of written data.json
new file mode 100644
index 000000000..4dabbd670
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/file/04 - Specify encoding of written data.json	
@@ -0,0 +1,113 @@
+[
+    {
+        "id": "e4ef1f5e.7cd82",
+        "type": "inject",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "8J+YgA==",
+        "payloadType": "str",
+        "x": 220,
+        "y": 820,
+        "wires": [
+            [
+                "72b37cc8.177054"
+            ]
+        ]
+    },
+    {
+        "id": "f5997af4.5a9298",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "Specify encoding of written data",
+        "info": "File node can specify encoding of data.",
+        "x": 230,
+        "y": 740,
+        "wires": []
+    },
+    {
+        "id": "72b37cc8.177054",
+        "type": "file",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "base64",
+        "x": 400,
+        "y": 820,
+        "wires": [
+            [
+                "2da33ec.f45cac2"
+            ]
+        ]
+    },
+    {
+        "id": "2e814354.278c8c",
+        "type": "debug",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 790,
+        "y": 820,
+        "wires": []
+    },
+    {
+        "id": "2da33ec.f45cac2",
+        "type": "file in",
+        "z": "4b63452d.672afc",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "format": "utf8",
+        "chunk": false,
+        "sendError": false,
+        "encoding": "none",
+        "x": 600,
+        "y": 820,
+        "wires": [
+            [
+                "2e814354.278c8c"
+            ]
+        ]
+    },
+    {
+        "id": "ec754c99.84bfd",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "↓write string with base64 encoding",
+        "info": "",
+        "x": 460,
+        "y": 780,
+        "wires": []
+    },
+    {
+        "id": "3e6704ff.4ce25c",
+        "type": "comment",
+        "z": "4b63452d.672afc",
+        "name": "↑read result from file",
+        "info": "",
+        "x": 610,
+        "y": 860,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/watch/01 - Watch change of a file.json b/packages/node_modules/@node-red/nodes/examples/storage/watch/01 - Watch change of a file.json
new file mode 100644
index 000000000..873e99b89
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/watch/01 - Watch change of a file.json	
@@ -0,0 +1,108 @@
+[
+    {
+        "id": "84222b92.d65d18",
+        "type": "inject",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "Hello, World!",
+        "payloadType": "str",
+        "x": 230,
+        "y": 160,
+        "wires": [
+            [
+                "b4b9f603.739598"
+            ]
+        ]
+    },
+    {
+        "id": "7b014430.dfd94c",
+        "type": "comment",
+        "z": "a7ac8a68.0f7218",
+        "name": "Watch changes of a file",
+        "info": "Watch node can watch and report changes of a file.",
+        "x": 200,
+        "y": 80,
+        "wires": []
+    },
+    {
+        "id": "b4b9f603.739598",
+        "type": "file",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "filename": "/tmp/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 420,
+        "y": 160,
+        "wires": [
+            []
+        ]
+    },
+    {
+        "id": "672d3693.3cabd8",
+        "type": "comment",
+        "z": "a7ac8a68.0f7218",
+        "name": "↓write to /tmp/hello.txt",
+        "info": "",
+        "x": 440,
+        "y": 120,
+        "wires": []
+    },
+    {
+        "id": "15f1f5aa.506ffa",
+        "type": "watch",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "files": "/tmp/hello.txt",
+        "recursive": "",
+        "x": 410,
+        "y": 200,
+        "wires": [
+            [
+                "a91562b9.ca805"
+            ]
+        ]
+    },
+    {
+        "id": "a91562b9.ca805",
+        "type": "debug",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 610,
+        "y": 200,
+        "wires": []
+    },
+    {
+        "id": "2ab4eba8.267d64",
+        "type": "comment",
+        "z": "a7ac8a68.0f7218",
+        "name": "↑watch changes of  /tmp/hello.txt",
+        "info": "",
+        "x": 470,
+        "y": 240,
+        "wires": []
+    }
+]
\ No newline at end of file
diff --git a/packages/node_modules/@node-red/nodes/examples/storage/watch/02 - Watch change in a directory.json b/packages/node_modules/@node-red/nodes/examples/storage/watch/02 - Watch change in a directory.json
new file mode 100644
index 000000000..6b7fd0b2e
--- /dev/null
+++ b/packages/node_modules/@node-red/nodes/examples/storage/watch/02 - Watch change in a directory.json	
@@ -0,0 +1,163 @@
+[
+    {
+        "id": "acec9dcc.eca82",
+        "type": "inject",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "Hello, World!",
+        "payloadType": "str",
+        "x": 230,
+        "y": 460,
+        "wires": [
+            [
+                "137d60e2.0e267f"
+            ]
+        ]
+    },
+    {
+        "id": "cf011d1e.8afa6",
+        "type": "comment",
+        "z": "a7ac8a68.0f7218",
+        "name": "Watch changes in a directory",
+        "info": "Watch node can watch and report changes in a directory",
+        "x": 220,
+        "y": 340,
+        "wires": []
+    },
+    {
+        "id": "137d60e2.0e267f",
+        "type": "file",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "filename": "/tmp/HG/hello.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 430,
+        "y": 460,
+        "wires": [
+            []
+        ]
+    },
+    {
+        "id": "9dfce283.63e5a",
+        "type": "comment",
+        "z": "a7ac8a68.0f7218",
+        "name": "↓write to /tmp/HG/*",
+        "info": "",
+        "x": 430,
+        "y": 420,
+        "wires": []
+    },
+    {
+        "id": "cbfb788b.297f98",
+        "type": "watch",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "files": "/tmp/HG",
+        "recursive": false,
+        "x": 400,
+        "y": 540,
+        "wires": [
+            [
+                "3c691cd5.a0f2b4"
+            ]
+        ]
+    },
+    {
+        "id": "3c691cd5.a0f2b4",
+        "type": "debug",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "active": true,
+        "tosidebar": true,
+        "console": false,
+        "tostatus": false,
+        "complete": "false",
+        "statusVal": "",
+        "statusType": "auto",
+        "x": 550,
+        "y": 540,
+        "wires": []
+    },
+    {
+        "id": "c0d7ca6e.cad418",
+        "type": "comment",
+        "z": "a7ac8a68.0f7218",
+        "name": "↑watch changes in /tmp/HG",
+        "info": "",
+        "x": 460,
+        "y": 580,
+        "wires": []
+    },
+    {
+        "id": "a04e5231.5a2e1",
+        "type": "inject",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "props": [
+            {
+                "p": "payload"
+            },
+            {
+                "p": "topic",
+                "vt": "str"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": false,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "Goodbye, World!",
+        "payloadType": "str",
+        "x": 240,
+        "y": 500,
+        "wires": [
+            [
+                "655d7bab.cda6f4"
+            ]
+        ]
+    },
+    {
+        "id": "655d7bab.cda6f4",
+        "type": "file",
+        "z": "a7ac8a68.0f7218",
+        "name": "",
+        "filename": "/tmp/HG/goodbye.txt",
+        "appendNewline": true,
+        "createDir": false,
+        "overwriteFile": "true",
+        "encoding": "none",
+        "x": 440,
+        "y": 500,
+        "wires": [
+            []
+        ]
+    },
+    {
+        "id": "f3b42209.a7673",
+        "type": "comment",
+        "z": "a7ac8a68.0f7218",
+        "name": "Notice: Create /tmp/HG directory before deploying this example",
+        "info": "",
+        "x": 330,
+        "y": 380,
+        "wires": []
+    }
+]
\ No newline at end of file