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我想通过使用node.js的特定Twitter帐户的推文来触发我的树莓派上的PIFM。然而,当我运行在命令行上twitpifm.js:错误:产卵sh ENOENT Node.js
node twitpifm.js
我得到以下错误:
events.js:141
throw er; // Unhandled 'error' event
^
Error: spawn sh ENOENT
at exports._errnoException (util.js:874:11)
at Process.ChildProcess._handle.onexit (internal/child_process.js:178:32)
at onErrorNT (internal/child_process.js:344:16)
at doNTCallback2 (node.js:439:9)
at process._tickCallback (node.js:353:17)
at Function.Module.runMain (module.js:469:11)
at startup (node.js:134:18)
at node.js:961:3
我使用这个版本PIFM对我PI2
https://github.com/asmello/fm_transmitter
我写了一个脚本(test.sh),它将从命令行启动PIFm,不带参数
#!/bin/bash
/home/pi/PIFm/fm_transmitter/bin/Release/fm_transmitter music.wav 103.50
我知道我需要在我的node.js中使用child_process来激活这个shell脚本,但是遇到了麻烦;
首先,我调用子进程:
var spawn = require('child_process').spawn // child process.spawn
然后我尝试用下面的触发壳:
function thisTweet(){
spawn('sh', ['test.sh'], { // shell script I want to run.
cwd:' /home/pi/Desktop/Twitter', // current working directory where my twitpifm.js file is
env: Object.assign({}, process.env, { PATH: process.env.PATH + '/home/pi/PIFm/fm_transmitter' }) //this sets a path to where test.sh is
})
任何建议将是巨大的!