nl_tokens: http : // phpjs . org / functions / escapeshellarg : 866
pl_tokens: function escapeshellarg ( arg ) { // Quote and escape an argument for use in a shell command // // version: 1109.2015 // discuss at: http://phpjs.org/functions/escapeshellarg // +   original by: Felix Geisendoerfer (http://www.debuggable.com/felix) // +   improved by: Brett Zamir (http://brett-zamir.me) // *     example 1: escapeshellarg("kevin's birthday"); // *     returns 1: "'kevin\'s birthday'" var ret = '' ; ret = arg . replace ( / [^\\]' / g , function ( m , i , s ) { return m . slice ( 0 , 1 ) + '\\\'' ; } ) ; return "'" + <mask> + "'" ; }