ok you've got some serious problems - most would be pointed out by use warnings; and use strict;

It would be also nice to know what line is "line 686"

# Grabs each district from all_store array foreach $dist_only (@all_store_info) { my @array = split(/ / , $dist_only); my $test = @array; # this returns the number of elements not the last array pos # so a 3 element array will return 3 next if $test < 2; # this will only filter out 1 element lines # because $test is the num of elements $distlist = "$array[1] $array[2] $array[3]"; # first off you are pulling the 2nd 3rd and 4th elements # not 1st thru 3rd ($array[0] $array[1] $array[2]) # this is also string data (contains spaces) not numeric push(@dist_list, $distlist); #print "$distlist\n"; } @dist_list = sort { $a <=> $b } @dist_list; #you are sorting string data with the numeric op. #( "<=>" is numeric - "cmp" is string ) my %uniq; undef @uniq{@dist_list}; @dist_list = keys %uniq;
Clean this up and make it do what you want - add use warnings and use strict and then repost this (pointing out the line number in question. Then we can help.


grep
Mynd you, mønk bites Kan be pretti nasti...

In reply to Re: read-only error by grep
in thread read-only error by Anonymous Monk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.