This works for me. Adjust as convenient.

use strict;
use warnings;
use Data::Dumper;


my $some_dir = ".";
opendir(DIR, $some_dir) || die "can't opendir $some_dir: $!";
my @files = grep { /txt/ } readdir(DIR);
closedir DIR;

foreach my $f (@files) {
    open IN, "<$f";
    my @cmpids = ();
    while(<IN>) {
        push @cmpids, $_;
    }
    close IN;
    open OUT, ">>COID_LIST.TXT";
    print OUT Dumper(\@cmpids);
    close OUT;
}

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In reply to Re: Opening multiple files in directory by olus
in thread Opening multiple files in directory by molson

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