If by exit you mean exit the loop and continue the script after the loop, you can use the last function to drop out of a loop, something like:

...
while($in){
    if($in =~ /exit/i){
        last;
    }
}
# Code will continue here
...

[download]

Here we are using a case-insensitive regular expression match to test for the user entering 'exit'. This means that the user can enter 'Exit', 'EXIT', eXiT', etc. and the loop will still terminate.

This may not be necessay, since in my original example, if the user presses the ENTER key without typing anything, the input will be an empty string after chomp() has removed the newline, which, in Perl, evaluates to false, and the loop terminates.

If, on the other hand, you mean exit from the script without, for instance, printing anything like in my original example, just replace last with exit in the example above.

In reply to Re^3: Creating hash with my imput by kejohm
in thread Creating hash with my imput by rolandomantilla

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.