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Re: In search of a better way to trim string

by Not_a_Number (Parson)
on Jul 19, 2004 at 19:21 UTC ( #375662=note: print w/replies, xml ) Need Help??

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    sub trim_length {
       my ( $str, $desired_len ) = @_;
       $str =~ s/\s+$//; # Strip trailing whitespace
    ...
       return sprintf "%.${desired_len}s ...", 
          substr $str, 0, ( rindex $str, ' ', $desired_len );
    }
    

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[Lady_Aleena]: perl -e 'my $var = "1.0"; print $var;' if it is in a variable also returns 1.0, though perl -e 'my $var = 1.0; print $var;' returns 1.
[1nickt]: In my case I can simply pass sprintf '%.1f', 1.0 (to Types::Standard:: Int), but what if you didn;t know the precision of the number you were working with? Seems I must be missing something. Oh well, my test list is complete, mooving on ...

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