I'm not particularly fond of the extra trip through the sub when we could use a lexical to store the data:
sub first_x {
my @data = ( split /\s+/, $_[0], $_[1] + 1 )[ 0 .. $_[1] - 1 ];
return
wantarray
? @data
: join ' ' , @data
;
}
then again, I don't like the
0..n slice. Why not just use pop?
sub first_x {
my @data = split /\s+/, $_[0], $_[1] + 1 ;
pop(@data); #throw away last element
return
wantarray
? @data
: join ' ' , @data
;
}
peace,
spazm
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.