49 lines
1.0 KiB
Perl
49 lines
1.0 KiB
Perl
#!perl
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# Computes and prints to stdout the CRC-32 values of the given files
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use 5.006;
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use strict;
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use lib qw( blib/lib lib );
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use Archive::Zip;
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use FileHandle;
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use vars qw( $VERSION );
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BEGIN {
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$VERSION = '1.51';
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}
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my $totalFiles = scalar(@ARGV);
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foreach my $file (@ARGV) {
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if ( -d $file ) {
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warn "$0: ${file}: Is a directory\n";
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next;
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}
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my $fh = FileHandle->new();
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if ( !$fh->open( $file, 'r' ) ) {
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warn "$0: $!\n";
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next;
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}
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binmode($fh);
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my $buffer;
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my $bytesRead;
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my $crc = 0;
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while ( $bytesRead = $fh->read( $buffer, 32768 ) ) {
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$crc = Archive::Zip::computeCRC32( $buffer, $crc );
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}
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my $fileCrc = sprintf("%08x", $crc);
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printf("$fileCrc");
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print("\t$file") if ( $totalFiles > 1 );
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if ( $file =~ /[^[:xdigit:]]([[:xdigit:]]{8})[^[:xdigit:]]/ ) {
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my $filenameCrc = $1;
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if ( lc($filenameCrc) eq lc($fileCrc) ) {
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print("\tOK")
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} else {
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print("\tBAD $fileCrc != $filenameCrc");
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}
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}
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print("\n");
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}
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