mirror of
https://github.com/shelljs/shelljs.git
synced 2026-01-18 16:03:37 +00:00
37 lines
932 B
JavaScript
37 lines
932 B
JavaScript
var common = require('./common');
|
|
var fs = require('fs');
|
|
|
|
//@
|
|
//@ ### cat(file [, file ...])
|
|
//@ ### cat(file_array)
|
|
//@
|
|
//@ Examples:
|
|
//@
|
|
//@ ```javascript
|
|
//@ var str = cat('file*.txt');
|
|
//@ var str = cat('file1', 'file2');
|
|
//@ var str = cat(['file1', 'file2']); // same as above
|
|
//@ ```
|
|
//@
|
|
//@ Returns a string containing the given file, or a concatenated string
|
|
//@ containing the files if more than one file is given (a new line character is
|
|
//@ introduced between each file). Wildcard `*` accepted.
|
|
function _cat(options, files) {
|
|
var cat = common.readFromPipe(this);
|
|
|
|
if (!files && !cat)
|
|
common.error('no paths given');
|
|
|
|
files = [].slice.call(arguments, 1);
|
|
|
|
files.forEach(function(file) {
|
|
if (!fs.existsSync(file))
|
|
common.error('no such file or directory: ' + file);
|
|
|
|
cat += fs.readFileSync(file, 'utf8');
|
|
});
|
|
|
|
return new common.ShellString(cat, common.state.error);
|
|
}
|
|
module.exports = _cat;
|