http://en.wikipedia.org/wiki/Trim_%28programming%29
$string =~ s/^\s+//; # remove leading whitespace
$string =~ s/\s+$//; # remove trailing whitespace
or
$string =~ s/^\s+|\s+$//g ; # remove both leading and trailing whitespace
On Tue, May 10, 2011 at 10:25 AM, Irene Zweimueller
<irene.zweimuel...@univie.ac.at> wrote:
> Dear list,
>
> I´m relatively new to Perl, so please be patient.
>
> I tied to get rid of whitespace characters by the following programme:
>
> my $i=" USEFUL ";
>
>
> if ($i =~ /\s/)
> {
> $i =~ s/\s*//;
> }
>
> print "xxxxxxxxxx $i xxxxxxxxxx\n";
>
> and it removes the whitespace characters in front of USEFUL, but not those
> behind..
> Any suggestions?
>
> kind regards
> Irene Zweimueller
>
>
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