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forfile.tcl
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1993-10-26
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#
# forfile.tcl --
#
# Proc to execute code on every line of a file.
#------------------------------------------------------------------------------
# Copyright 1992-1993 Karl Lehenbauer and Mark Diekhans.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose and without fee is hereby granted, provided
# that the above copyright notice appear in all copies. Karl Lehenbauer and
# Mark Diekhans make no representations about the suitability of this
# software for any purpose. It is provided "as is" without express or
# implied warranty.
#------------------------------------------------------------------------------
# $Id: forfile.tcl,v 2.1 1993/04/07 02:42:32 markd Exp $
#------------------------------------------------------------------------------
#
#@package: TclX-forfile for_file
proc for_file {var filename code} {
upvar $var line
set fp [open $filename r]
while {[gets $fp line] >= 0} {
uplevel $code
}
close $fp
}