Having not seen it listed, here's yet another way to do it
my @arr1 = ("foo", "", "bar", "", "baz"); my @arr2 = grep $_, @arr1; { $" = ', '; print "@arr1\n@arr2\n"; }
Since this tests for each element in a boolean context, it will ignore any element perl considers to be false, which includes empty strings (""). However this also has the pitfall of dropping stuff you might want to keep e.g qw(0 1 2) --> (1 2).
That was the more "perlish" way to do it, but if you're determined to use a loop try this
my @arr1 = ("foo", "", "bar", "", "baz"); my @arr2; foreach (@arr1) { push @arr2, $_ if $_ ne ''; }

HTH

broquaint


In reply to Re: Removing empty string elements from an Array by broquaint
in thread Removing empty string elements from an Array by Spliter

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.