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index.js
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index.js
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var child_process = require('child_process')
var call_once = require('call-once')
var dummyFunc = new Function
var xsel = module.exports = {}
var REG_FILES = /^(?:\/[^\n]*\n)*\/[^\n]*$/
var clipArg = function(clip){
return (clip === 'p' || clip === 's') ? '-' + clip : '-b'
}
var exec = function(arg, clip, callback){
child_process.exec('xsel ' + arg + ' ' + clipArg(clip), function(error, stdout, stderr){
if(typeof (callback = callback || clip) === 'function')
callback(stderr && new Error(stderr) || error, stdout);
})
}
var spawn = function(arg, data, clip, callback){
callback = call_once(callback || clip)
var child = child_process.exec('xsel', [arg, clipArg(clip)])
child.on('error', callback)
child.stdin.write(data)
child.stdin.end()
callback(null)
}
xsel.set = function(data, clip, callback){
spawn('-i', data, clip, callback)
}
xsel.append = function(data, clip, callback){
spawn('-a', data, clip, callback)
}
xsel.get = function(clip, callback){
exec('-o', clip, callback)
}
xsel.getFiles = function(clip, callback){
if(typeof clip === 'function')
callback = clip;
else if(!callback)
callback = dummyFunc;
xsel.get(clip, function(error, text){
if(error)
return callback(error);
if(!REG_FILES.test(text))
return callback(null, null);
callback(null, text.split('\n'))
})
}
xsel.clear = function(clip, callback){
exec('-c', clip, callback)
}
xsel.delete = function(clip, callback){
exec('-d', clip, callback)
}
xsel.keep = function(clip, callback){
exec('-k', clip, callback)
}
xsel.exchange = function(callback){
exec('-x', clip, callback)
}