@rem = '--*-Perl-*-- @echo off if "%OS%" == "Windows_NT" goto WinNT perl -x -S "%0" %1 %2 %3 %4 %5 %6 %7 %8 %9 goto endofperl :WinNT perl -x -S %0 %* if NOT "%COMSPEC%" == "%SystemRoot%\system32\cmd.exe" goto endofperl if %errorlevel% == 9009 echo You do not have Perl in your PATH. if errorlevel 1 goto script_failed_so_exit_with_non_zero_val 2>nul goto endofperl @rem '; #! /usr/bin/perl -w #line 15 # computes and prints to stdout the CRC-32 values of the given files 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"); } __END__ :endofperl