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Don't search more !!!
I find another way to do the final goal !!!
Thanks for help

Hi, thanks for help but it is not working.
I've got an error:

my %dataHash = (/: unmatched () in regexp line 10

Here is my script:
#!/usr/bin/perl

use Getopt::Long;
GetOption(file=s);
...

Hi,
I have an entry file for a perl script from which I need to remove duplicate entry.
For example:

one:two:three
one:four:five
two:one:three

must become :

one:two:three
two:one:three...