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eda-tools/schhist/sanitize-schem

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#!/usr/bin/perl
#
# sanitize-schem - Remove items from KiCad schematics that may cause an upset
#
# Written 2010 by Werner Almesberger
# Copyright 2010 Werner Almesberger
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
sub usage
{
print STDERR "usage: $0 file.sch [outfile]\n";
exit(1);
}
($file, $out) = @ARGV;
&usage if $#ARGV > 1;
($dir = $file) =~ s|.*/||;
$dir = "." if $dir eq "";
open(FILE, $file) || die "$file: $!";
while (<FILE>) {
if (/^\$Sheet/) {
$s = $_;
$discard = 1;
next;
}
if (/^\$EndSheet/) {
push(@f, $s.$_) unless $discard;
undef $s;
next;
}
if (!defined $s) {
push(@f, $_);
next;
}
$s .= $_;
next unless /^F1 "([^"]*)"/;
if (-r "$1" || -r "$dir/$1") {
$discard = 0;
next;
}
print STDERR "removing $1\n";
}
close FILE;
if (!defined $out) {
rename($file, "$file.bak");
$out= $file;
}
open(FILE, ">$out") || die "$out: $!";
print FILE join("", @f) || die "$out: $!";
close FILE || die "$out: $!";