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added copyDirRecursive and rmdirRecursive

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defrex 2011-04-28 14:58:09 -04:00
parent 445a2836f4
commit e9991ed62c
1 changed files with 81 additions and 0 deletions
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81
lib/wrench.js
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@ -111,3 +111,84 @@ exports.chmodSyncRecursive = function(sourceDir, filemode) {
/* Finally, chmod the parent directory */
fs.chmod(sourceDir, filemode);
};
/* wrench.rmdirRecursive("directory_path", callback);
*
* Recursively dives through directories and obliterates everything about it.
*/
exports.rmdirRecursive = function rmdirRecursive(dir, clbk){
fs.readdir(dir, function(err, files){
if (err) return clbk();
var called = 0;
var done = function(){
if (called == files.length)
fs.rmdir(dir, clbk);
else
called++;
};
done();
files.forEach(function(f){
f = dir+f;
fs.stat(f, function(err, stat){
if (err) return done();
if (stat.isDirectory())
rmdirRecursive(f, done);
else
fs.unlink(f, done);
});
});
});
};
/* wrench.copyDirRecursive("directory_to_copy", "new_location", callback);
*
* Recursively dives through a directory and moves all its files to a new
* location.
*
* Note: Directories should be passed to this function without a trailing slash.
*/
exports.copyDirRecursive = function copyDirRecursive(srcDir, newDir, clbk) {
fs.stat(newDir, function(err, newDirStat){
if (!err) return exports.rmdirRecursive(newDir, function(){
copyDirRecursive(srcDir, newDir, clbk);
});
fs.stat(srcDir, function(err, srcDirStat){
if (err) return clbk(err);
fs.mkdir(newDir, srcDirStat.mode, function(err){
if (err) return clbk(err);
fs.readdir(srcDir, function(err, files){
if (err) return clbk(err);
var called = 0;
var done = function(err){
if (err) return clbk(err);
if (called == files.length)
clbk();
else
called++;
};
done();
files.forEach(function(filename){
var file = srcDir+'/'+filename,
newFile = newDir+'/'+filename,
called = 0;
fs.stat(file, function(err, fileStat){
if (fileStat.isDirectory())
copyDirRecursive(file, newFile, done);
else if (fileStat.isSymbolicLink())
fs.readlink(file, function(err, link){
fs.symlink(link, newFile, done);
});
else
fs.readFile(file, function(err, data){
fs.writeFile(newFile, data, done);
});
});
});
});
});
});
});
};