tcl-expand.tcl
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- #
- # Copyright (c) 1996 Regents of the University of California.
- # All rights reserved.
- #
- # Redistribution and use in source and binary forms, with or without
- # modification, are permitted provided that the following conditions
- # are met:
- # 1. Redistributions of source code must retain the above copyright
- # notice, this list of conditions and the following disclaimer.
- # 2. Redistributions in binary form must reproduce the above copyright
- # notice, this list of conditions and the following disclaimer in the
- # documentation and/or other materials provided with the distribution.
- # 3. All advertising materials mentioning features or use of this software
- # must display the following acknowledgement:
- # This product includes software developed by the MASH Research
- # Group at the University of California Berkeley.
- # 4. Neither the name of the University nor of the Research Group may be
- # used to endorse or promote products derived from this software without
- # specific prior written permission.
- #
- # THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- # SUCH DAMAGE.
- #
- # @(#) $Header: /cvsroot/nsnam/ns-2/bin/tcl-expand.tcl,v 1.4 2005/05/30 05:25:14 sfloyd Exp $
- #
- #
- # copy files on command line to stdout and substitute files
- # of source commands. only works for simple, literal commands.
- #
- proc expand_file name {
- puts "### tcl-expand.tcl: begin expanding $name"
- if {[file exists $name] == 0} {
- puts "### tcl-expand.tcl: cannot find $name"
- return
- }
- set f [open $name r]
- while 1 {
- if { [gets $f line] < 0 } {
- close $f
- puts "### tcl-expand.tcl: end expanding $name"
- return
- }
- set L [split $line]
- if { [llength $L] == 2 && [lindex $L 0] == "source" } {
- expand_file [lindex $L 1]
- } else {
- puts $line
- }
- }
- }
- set startupDir [pwd]
- fconfigure stdout -translation lf
- foreach name $argv {
- set dirname [file dirname $name]
- if {$dirname != "."} {
- cd $dirname
- expand_file [file tail $name]
- cd $startupDir
- } else {
- expand_file $name
- }
- }
- exit 0