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

my $y = 'Eclipse';
my $p = 'myfile.gz';

my @x; 
my $z;
@x = grep /$y/, $z= `gzgrep -i $y $p`;

if ( @x ){
    print "found @x\n";
}
else {
     print "could not find exact case, but...\n";
     if ($z) {
        print "found:\n$z\n";
     }
     else {
        print "found nothing\n";
    }
}