gets an array of files in the / proc directory with only numeric digit filenames , corresponding to processes concode_field_sep Pattern DIGITS concode_field_sep float getSystemUptimeFromProc
File [ ] function ( ) { File loc0 = new File ( "srini_string" ) ; File [ ] loc1 = loc0 . listFiles ( ( FileFilter ) file -> DIGITS . matcher ( file . getName ( ) ) . matches ( ) ) ; return loc1 != null ? loc1 : new File [ 0 ] ; }