src/Pure/Tools/update_semicolons.scala
changeset 62464 08e62096e7f4
parent 62463 547c5c6e66d4
parent 62461 075ef5ec115c
child 62465 2e4c6ef809b5
equal deleted inserted replaced
62463:547c5c6e66d4 62464:08e62096e7f4
     1 /*  Title:      Pure/Tools/update_semicolons.scala
       
     2     Author:     Makarius
       
     3 
       
     4 Remove obsolete semicolons from theory sources.
       
     5 */
       
     6 
       
     7 package isabelle
       
     8 
       
     9 
       
    10 object Update_Semicolons
       
    11 {
       
    12   def update_semicolons(path: Path)
       
    13   {
       
    14     val text0 = File.read(path)
       
    15     val text1 =
       
    16       (for (tok <- Token.explode(Keyword.Keywords.empty, text0).iterator if tok.source != ";")
       
    17         yield tok.source).mkString
       
    18 
       
    19     if (text0 != text1) {
       
    20       Output.writeln("changing " + path)
       
    21       File.write_backup2(path, text1)
       
    22     }
       
    23   }
       
    24 
       
    25 
       
    26   /* command line entry point */
       
    27 
       
    28   def main(args: Array[String])
       
    29   {
       
    30     Command_Line.tool0 {
       
    31       args.foreach(arg => update_semicolons(Path.explode(arg)))
       
    32     }
       
    33   }
       
    34 }