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From: Alexey Tourbin <at@altlinux.ru>
To: devel@lists.altlinux.org
Subject: [devel] /usr/bin/crc32 (was: automated CPAN update: perl summary)
Date: Tue, 20 Jul 2010 19:23:43 +0400
Message-ID: <20100720152343.GX23050@altlinux.org> (raw)
In-Reply-To: <20100717123546.GA21193@dad.imath.kiev.ua>


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On Sat, Jul 17, 2010 at 03:35:47PM +0300, Igor Vlasenko wrote:
> * cpan2rpm не умеет? паковать скрипты из %_bindir.
> у части пакетов в %_bindir действительно мусор,
> однако в вот этих  %_bindir/* зря не упакован.
> 
> perl-Module-CoreList corelist
> perl-Net-RBLClient   spamalyze
> perl-Archive-Zip     crc32

Скрипт crc32 не имеет не документации, ни даже опции --help.
Класть его в /usr/bin (в том числе по этим причинам) неохота.

> Стоило бы паковать, выглядит как баг.

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#!/usr/bin/perl

# Computes and prints to stdout the CRC-32 values of the given files

use strict;
use lib qw( blib/lib lib );
use Archive::Zip;
use FileHandle;

my $totalFiles = scalar(@ARGV);
foreach my $file (@ARGV) {
    if ( -d $file ) {
        warn "$0: ${file}: Is a directory\n";
        next;
    }
    my $fh = FileHandle->new();
    if ( !$fh->open( $file, 'r' ) ) {
        warn "$0: $!\n";
        next;
    }
    binmode($fh);
    my $buffer;
    my $bytesRead;
    my $crc = 0;
    while ( $bytesRead = $fh->read( $buffer, 32768 ) ) {
        $crc = Archive::Zip::computeCRC32( $buffer, $crc );
    }
    printf( "%08x", $crc );
    print("\t$file") if ( $totalFiles > 1 );
    print("\n");
}

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  parent reply	other threads:[~2010-07-20 15:23 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-17 12:35 [devel] automated CPAN update: perl summary Igor Vlasenko
2010-07-17 18:19 ` Sergey Y. Afonin
2010-07-20 15:23 ` Alexey Tourbin [this message]
2010-07-21 17:11   ` [devel] /usr/bin/crc32 (was: automated CPAN update: perl summary) Igor Vlasenko
2010-07-21 17:53     ` [devel] /usr/bin/crc32 Dmitry V. Levin
2010-07-21 18:24       ` Igor Vlasenko

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