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-rwxr-xr-xMaster/tlpkg/tlperl/bin/crc3231
1 files changed, 31 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/bin/crc32 b/Master/tlpkg/tlperl/bin/crc32
new file mode 100755
index 00000000000..aa7da02a8ad
--- /dev/null
+++ b/Master/tlpkg/tlperl/bin/crc32
@@ -0,0 +1,31 @@
+#!/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");
+}