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Current Path : /lib64/tcl8.5/tclx8.4/ |
Current File : //lib64/tcl8.5/tclx8.4/forfile.tcl |
# # forfile.tcl -- # # Proc to execute code on every line of a file. #------------------------------------------------------------------------------ # Copyright 1992-1999 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 1.1 2001/10/24 23:31:48 hobbs Exp $ #------------------------------------------------------------------------------ # #@package: TclX-forfile for_file proc for_file {var filename cmd} { upvar 1 $var line set fp [open $filename r] try_eval { set code 0 set result {} while {[gets $fp line] >= 0} { set code [catch {uplevel 1 $cmd} result] if {$code != 0 && $code != 4} break } } {} { close $fp } if {$code == 0 || $code == 3 || $code == 4} { return $result } if {$code == 1} { global errorCode errorInfo return -code $code -errorcode $errorCode -errorinfo $errorInfo $result } return -code $code $result }