Looking at your code, I do not see an error. $temp_hash{$temp_name} is a valid key/value pair of a properly declared hash...

From my own mistakes in the past, here's a suggestion: check the output of your SQL query. It looks like your $sql_result is not defined and so $temp_hash becomes a scalar, which is not defined. Insert a

print "sql_result=($sql_result), temp_name=($temp_name), temp_id=($tem +p_id)\n";
That would help clarify what's going on with the code...

Alternatively, assign $sql_result a value directly for testing and verify the behaviour of the program...

 

UPDATE: tests have shown that in the situation I've described, perl does not complain... it only does if %temp_hash is really not defined. Therefore, I tend to agree with Fletch: it might be the scope...

--------------------------------
An idea is not responsible for the people who believe in it...


In reply to Re: Adding value to hash by bofh_of_oz
in thread Adding value to hash by danidin

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.