source: vbox/trunk/src/libs/openssl-3.1.3/util/copy.pl@ 102654

#! /usr/bin/env perl
# Copyright 2005-2018 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License").  You may not use
# this file except in compliance with the License.  You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html


use Fcntl;


# copy.pl

# Perl script 'copy' comment. On Windows the built in "copy" command also
# copies timestamps: this messes up Makefile dependencies.

my $stripcr = 0;

my $arg;
my @excludes = ();

foreach $arg (@ARGV) {
        if ($arg eq "-stripcr")
                {
                $stripcr = 1;
                next;
                }
        if ($arg =~ /^-exclude_re=(.*)$/)
                {
                push @excludes, $1;
                next;
                }
        $arg =~ s|\\|/|g;       # compensate for bug/feature in cygwin glob...
        $arg = qq("$arg") if ($arg =~ /\s/);    # compensate for bug in 5.10...
        foreach my $f (glob $arg)
                {
                push @filelist, $f unless grep { $f =~ /$_/ } @excludes;
                }
}

$fnum = @filelist;

if ($fnum <= 1)
        {
        die "Need at least two filenames";
        }

$dest = pop @filelist;

if ($fnum > 2 && ! -d $dest)
        {
        die "Destination must be a directory";
        }

foreach (@filelist)
        {
        if (-d $dest)
                {
                $dfile = $_;
                $dfile =~ s|^.*[/\\]([^/\\]*)$|$1|;
                $dfile = "$dest/$dfile";
                }
        else
                {
                $dfile = $dest;
                }
        sysopen(IN, $_, O_RDONLY|O_BINARY) || die "Can't Open $_";
        sysopen(OUT, $dfile, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY)
                                        || die "Can't Open $dfile";
        while (sysread IN, $buf, 10240)
                {
                if ($stripcr)
                        {
                        $buf =~ tr/\015//d;
                        }
                syswrite(OUT, $buf, length($buf));
                }
        close(IN);
        close(OUT);
        print "Copying: $_ to $dfile\n";
        }