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Old 01-06-2008, 01:24 PM   #1
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Registered: Dec 2007
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Smile How can I use Linux to copy binary files to a new directory

I am new to Linux and Perl as well. I wrote a Perl script that compares two files (one is a text file and the other has images (.gif) in it. If an image in file 2 has an ID that's found in file one, I want to copy the image in a new directory with this textfile name. I am not being successful in copying and if anybody can help, I would appreciate it. When I try to print the output, images are printed as strings instead of binary. I am sure that there must an easy way to do this with Linx commands but I am not there yet. Here is my code:

use warnings;
use Getopt::Long;
use File::Copy;

my $output= "/data/Outputfile";
$filewith_images ="/data/Images/";

opendir (OUT, $output)or die " Can't open the output file";

open (FC,$txtfile) || die "Can't open the text file";
@image_desc = <FC>;

foreach $code(@image_codes)
opendir (FI, $filewith_images) or die " Can't open the file with images";
@images=grep(~/\_GIF$/i,readdir(FI)) or die " Can't ready directory";
foreach $item (@images)
my $code1= substr($item, 0, -4);
if ($code1 eq $code){
print OUT "$item\n" ;
Old 01-07-2008, 11:37 AM   #2
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Registered: Jun 2003
Location: California
Distribution: Slackware
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I believe it's the way 'print' handles data, and how you're requesting it be sent to the screen. I don't know if perldoc print has any further information on the subject, but I bet it'd be a good place to start -- are you just trying to print to the screen? It may be better to call a program to print them instead of relying on 'print' which may be much more limited. If you don't need to wait for output, perhaps an exec() instead of system()


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