Thanks for all the help.
This works except I keep getting these error messages along with output:
Use of uninitialized value at per2.pl line 5.
Use of uninitialized value at per2.pl line 5.
Use of uninitialized value at per2.pl line 8.
Use of uninitialized value at per2.pl line 8.
smith
rogers
richards
Here is the script:
#!/usr/local/bin/perl -w
use strict;
my ( @temp, %authors );
@temp = sort map { my @b=split; $b[2]; } `ls -l /directory/pth/here`;
foreach ( @temp )
{
$authors{$_}=1 if not $authors{$_} and length $_;
#I had to add $_ because the other way "$authors{$}=1" gave me an erro
+r
}
print "$_\n" for keys %authors;
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: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.