Perl/ツール

Perl

ツール

文字コード変換

#!/usr/bin/perl

=head1 DESCRIPTION

	文字コードをSJISに
	改行コードはCRLFに

=cut

use strict;
use Jcode;

undef $/;

foreach my $path (@ARGV) {
	open(IN,"$path")
		or warn("can't open $path");
	binmode(IN);
	my $src = <IN>;
	if ($src =~ /\x0D\x0A/) {
		# CRLFが存在する
	} else {
		# CRLFが存在しない
		$src =~ s/\x0A/\x0D\x0A/g;
	}
	$src = &Jcode::convert($src,'sjis');
	close(IN);
	open(OUT,">$path")
		or warn("can't open $path");
	binmode(OUT);
	print OUT $src;
	close(OUT);
}

#!/usr/bin/perl

=head1 DESCRIPTION

	文字コードをEUCに
	改行コードはLFに

=cut

use strict;
use Jcode;

undef $/;

foreach my $path (@ARGV) {
	open(IN,"$path")
		or warn("can't open $path");
	binmode(IN);
	my $src = <IN>;
	$src =~ s/\x0D\x0D/\x0A/g;
	$src =~ s/\x0D\x0A/\x0A/g;
	$src = &Jcode::convert($src,'euc');
	close(IN);
	open(OUT,">$path")
		or warn("can't open $path");
	binmode(OUT);
	print OUT $src;
	close(OUT);
}

#!/usr/bin/perl

=head1 DESCRIPTION

	expand - | unexpand -t 4 -
	を同じファイルで書き込み
	
	あるいはその逆操作

	ファイル以外は無視する

=head1 SYNOPSIS

	tab8to4 [-r] files

=cut

use strict;
use Text::Tabs;

my $BEFORE	= 8;
my $AFTER	= 4;
if ($ARGV[0] eq '-r') {
	shift;
	$BEFORE	= 4;
	$AFTER	= 8;
}

foreach my $path (@ARGV) {
	if (not -f $path) {
		warn("$path is not regular file.\n");
		next;
	}
	open(IN,"$path")
		or warn("can't open $path");

	my $src = '';
	while (my $line = <IN>) {
		# 変換
		$tabstop = $BEFORE;
		$line = expand($line);
		$tabstop = $AFTER;	
		$line = unexpand($line);
		$src .= $line;
	}
	close(IN);
	
	open(OUT,">$path")
		or warn("can't write $path");
	print OUT $src;
	close(OUT);
	
	print "done $path.\n";
}