git.zerfleddert.de Git - micropolis/blob - src/tclx/tclsrc/forfile.tcl

   1 #
   2 # forfile.tcl --
   3 #
   4 # Proc to execute code on every line of a file.
   5 #------------------------------------------------------------------------------
   6 # Copyright 1992 Karl Lehenbauer and Mark Diekhans.
   7 #
   8 # Permission to use, copy, modify, and distribute this software and its
   9 # documentation for any purpose and without fee is hereby granted, provided
  10 # that the above copyright notice appear in all copies.  Karl Lehenbauer and
  11 # Mark Diekhans make no representations about the suitability of this
  12 # software for any purpose.  It is provided "as is" without express or
  13 # implied warranty.
  14 #------------------------------------------------------------------------------
  15 # $Id: forfile.tcl,v 2.0 1992/10/16 04:51:58 markd Rel $
  16 #------------------------------------------------------------------------------
  17 #
  18
  19 #@package: TclX-forfile for_file
  20
  21 proc for_file {var filename code} {
  22     upvar $var line
  23     set fp [open $filename r]
  24     while {[gets $fp line] >= 0} {
  25         uplevel $code
  26     }
  27     close $fp
  28 }
  29