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|
#!perl
# Compare a language file of two different ages
# Useage: $0 new old
die "Useage: $0 new old\n"
unless $ARGV[0] && $ARGV[1];
die "Cannot open $ARGV[1]: $!\n"
unless open(IN, $ARGV[1]);
while(<IN>) {
next unless /^:/;
$name = $';
$name = $` if $name =~ /\#/;
$name =~ s/\s+//g;
$body = '';
while(<IN>) {
$body .= $_;
last if /^[\.\,]\s*$/;
}
$string{$name} = $body;
}
close IN;
unlink("$ARGV[0].old");
die "Cannot backup $ARGV[0]: $!\n"
unless rename($ARGV[0], "$ARGV[0].old");
die "Cannot open backup $ARGV[0].old: $!\n"
unless open(IN, "$ARGV[0].old");
die "Cannot create $ARGV[0]: $!\n"
unless open(OUT, ">$ARGV[0]");
while(<IN>) {
if(/^:/) {
$name = $';
$name = $` if $name =~ /\#/;
$name =~ s/\s+//g;
$body = '';
while(<IN>) {
$body .= $_;
last if /^[\.\,]\s*$/;
}
$name .= '#1' unless $string{$name} eq $body;
print OUT ":$name\n", $body;
} else {
print OUT;
}
}
close IN;
close OUT;
|
