Your script with those filenames works here:

in /testdir1/Results_2008:

12774L1_LacZ.SEE.rc_C06_2008-12-01.ab1 12774L1_SD_B06_2008-12-01.ab1 12774L1_pgK.Neo.2fw_D06_2008-12-01.ab1 12774L1_SU_A06_2008-12-01.ab1

in /testdir1/Results_2009: no files

My script: 

#!/usr/bin/perl
use warnings;
use strict;

my $topdir = "/home/zentara/testdir1";
my @subdirs = get_sub_dirs($topdir);
my $newdir = "/home/zentara/testdir2";

sub get_sub_dirs {
    my $dir = shift;
    opendir my $dh, $dir or die "Error: $!";
#    print "$dh\n";  #this is your glob
    my @dirs =  readdir $dh;
    @dirs = grep /^Results(.*)$/,@dirs;
    closedir $dh;
    return @dirs;
}

print "subdirs = @subdirs\n";

foreach my $dir(@subdirs){
    opendir my $dh, "$topdir/$dir" or die "Error: $!";
    my @files = readdir $dh;
    print "raw files = @files\n";
   @files = grep /^(\d+\D\d)_(LacZ|pgK|SD|SU)(.*)$/,@files;

    print "$dir -> @files\n";
    foreach my $file(@files){
#     system( "mv $topdir/$dir/$file $newdir/$file");
      
    }
    closedir $dh;
}

[download]
OUTPUT:

subdirs = Results_2008 Results_2009

raw files = . .. 12774L1_SU_A06_2008-12-01.ab1 12774L1_pgK.Neo.2fw_D06_2008-12-01.ab1 12774L1_LacZ.SEE.rc_C06_2008-12-01.ab1 12774L1_SD_B06_2008-12-01.ab1

Results_2008 -> 12774L1_SU_A06_2008-12-01.ab1 12774L1_pgK.Neo.2fw_D06_2008-12-01.ab1 12774L1_LacZ.SEE.rc_C06_2008-12-01.ab1 12774L1_SD_B06_2008-12-01.ab1

raw files = . .. Results_2009 ->

You must have some overlooked spelling error in your pathnames or something?

I'm not really a human, but I play one on earth Remember How Lucky You Are

In reply to Re^3: mv files from dir1 to dir2 by zentara
in thread mv files from dir1 to dir2 by lomSpace

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