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'use strict';
/**
* Parse the content of a passwd file into a list of user objects.
* This function ignores blank lines and comments.
*
* ```js
* // assuming '/etc/passwd' contains:
* // doowb:*:123:123:Brian Woodward:/Users/doowb:/bin/bash
* console.log(parse(fs.readFileSync('/etc/passwd', 'utf8')));
*
* //=> [
* //=> {
* //=> username: 'doowb',
* //=> password: '*',
* //=> uid: '123',
* //=> gid: '123',
* //=> gecos: 'Brian Woodward',
* //=> homedir: '/Users/doowb',
* //=> shell: '/bin/bash'
* //=> }
* //=> ]
* ```
* @param {String} `content` Content of a passwd file to parse.
* @return {Array} Array of user objects parsed from the content.
* @api public
*/
module.exports = function(content) {
if (typeof content !== 'string') {
throw new Error('expected a string');
}
return content
.split('\n')
.map(user)
.filter(Boolean);
};
function user(line, i) {
if (!line || !line.length || line.charAt(0) === '#') {
return null;
}
// see https://en.wikipedia.org/wiki/Passwd for field descriptions
var fields = line.split(':');
return {
username: fields[0],
password: fields[1],
uid: fields[2],
gid: fields[3],
// see https://en.wikipedia.org/wiki/Gecos_field for GECOS field descriptions
gecos: fields[4],
homedir: fields[5],
shell: fields[6]
};
}
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