nl_tokens: Gets the list of all the pids of the system through the ps command .
pl_tokens: function ps ( callback ) { var args = [ '-A' , '-o' , 'ppid,pid' ] ; bin ( 'ps' , args , function ( err , stdout , code ) { if ( err ) return callback ( err ) ; if ( code !== 0 ) { return callback ( new Error ( 'pidtree ps command exited with code ' + code ) ) ; } // Example of stdout // // PPID   PID //    1   430 //  430   432 //    1   727 //    1  7166 try { stdout = stdout . <mask> ( os . EOL ) ; var list = [ ] ; for ( var i = 1 ; i < stdout . length ; i ++ ) { stdout [ i ] = stdout [ i ] . trim ( ) ; if ( ! stdout [ i ] ) continue ; stdout [ i ] = stdout [ i ] . split ( / \s+ / ) ; stdout [ i ] [ 0 ] = parseInt ( stdout [ i ] [ 0 ] , 10 ) ; // PPID stdout [ i ] [ 1 ] = parseInt ( stdout [ i ] [ 1 ] , 10 ) ; // PID list . push ( stdout [ i ] ) ; } callback ( null , list ) ; } catch ( error ) { callback ( error ) ; } } ) ; }