node-red/packages/node_modules/@node-red/nodes/examples/function/exec/01 execute external command and get standard output.json

[{"id":"6a5f26a9.0cc2d8","type":"inject","z":"835cc8cc.b8cca8","name":"","props":[{"p":"payload"},{"p":"topic","vt":"str"}],"repeat":"","crontab":"","once":false,"onceDelay":0.1,"topic":"","payload":"Hello World!","payloadType":"str","x":190,"y":160,"wires":[["fc2b343c.bbe2f8"]]},{"id":"fc2b343c.bbe2f8","type":"exec","z":"835cc8cc.b8cca8","command":"echo","addpay":true,"append":"","useSpawn":"false","timer":"","oldrc":false,"name":"","x":330,"y":160,"wires":[["2f3bcd73.6fedf2"],[],["3280586e.4e3d28"]]},{"id":"2f3bcd73.6fedf2","type":"debug","z":"835cc8cc.b8cca8","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":510,"y":160,"wires":[]},{"id":"2b7bc9f1.ab36a6","type":"comment","z":"835cc8cc.b8cca8","name":"Execute external command appending additional args","info":"Exec node can execute external command and can receive its standard output as a payload of first message.  Standard error output can be received from second message.  The exit code of the command can be obtained from `code` property of third message payload.\n\nIf `Append msg.payload` checkbox is selected, payload value of the input message is appended to command string.\n","x":260,"y":60,"wires":[]},{"id":"3280586e.4e3d28","type":"debug","z":"835cc8cc.b8cca8","name":"","active":true,"tosidebar":true,"console":false,"tostatus":false,"complete":"false","statusVal":"","statusType":"auto","x":510,"y":220,"wires":[]},{"id":"feba83da.8f227","type":"comment","z":"835cc8cc.b8cca8","name":"↓ execute echo command","info":"","x":390,"y":115,"wires":[]}]