[英]Execute cygwin command from NodeJS
Using Node's child_process
module, I'd like to execute commands via the cygwin shell. 使用Node的
child_process
模块,我想通过cygwin shell执行命令。 This is what I'm trying: 这就是我正在尝试的:
var exec = require('child_process').execSync;
exec('mkdir -p a/b/c', {shell : 'c:/cygwin64/bin/bash.exe -c'});
TypeError: invalid data at WriteStream.Socket.write (net.js:641:11) at execSync (child_process.js:503:20) at repl:1:1 at REPLServer.defaultEval (repl.js:262:27) at bound (domain.js:287:14) at REPLServer.runBound [as eval] (domain.js:300:12) at REPLServer. (repl.js:431:12) at emitOne (events.js:82:20) at REPLServer.emit (events.js:169:7) at REPLServer.Interface._onLine (readline.js:212:10)
I can see Node's child_process.js will add the /s
and /c
switches , regardless of the shell
option being set, bash.exe doesn't know what to do with these arguments. 我可以看到Node的child_process.js将添加
/s
和/c
开关 ,无论是否设置了shell
选项,bash.exe都不知道如何处理这些参数。
I found a work around for this problem but it's really not ideal: 我找到了解决这个问题的方法,但它真的不理想:
exec('c:/cygwin64/bin/bash.exe -c "mkdir -p a/b/c"');
Doing the above would obviously only work on Windows not unix systems. 执行上述操作显然只适用于Windows而非unix系统。
How can I execute commands in the cygwin shell from NodeJS? 如何从NodeJS在cygwin shell中执行命令?
This is not a complete generic solution, because more would need to be done with some of the options of exec()
, but this should allow you to write code that will work on unixes, Windows and cygwin, differentiating between the later two. 这不是一个完整的通用解决方案,因为需要使用
exec()
一些选项来完成更多,但这应该允许您编写可以在unixes,Windows和cygwin上运行的代码,区分后两者。
This solution assumes that Cygwin is installed in a directory which name includes the string cygwin
. 此解决方案假定Cygwin安装在名称中包含字符串
cygwin
的目录中。
var child_process = require( 'child_process' )
, home = process.env.HOME
;
function exec( command, options, next ) {
if( /cygwin/.test( home ) ) {
command = home.replace( /(cygwin[0-9]*).*/, "$1" ) + "\\bin\\bash.exe -c '" + command.replace( /\\/g, '/' ).replace( /'/g, "\'" ) + "'";
}
child_process.exec( command, options, next );
}
You could alternatively hijack child_process.exec conditionally when running under Cygwin: 你可以在Cygwin下运行时有条件地劫持child_process.exec:
var child_process = require( 'child_process' )
, home = process.env.HOME
;
if( /cygwin/.test( home ) ) {
var child_process_exec = child_process.exec
, bash = home.replace( /(cygwin[0-9]*).*/, "$1" ) + "\\bin\\bash.exe"
;
child_process.exec = function( command, options, next ) {
command = bash + " -c '" + command.replace( /\\/g, '/' ).replace( /'/g, "\'" ) + "'";
child_process_exec( command, options, next )
}
}
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