I have missed a '$' in the original post. I do hate to write s/^\s+|\s+$//g for each and each time,just got tired of it. So I hope perl can have that a string operator, since many script languages have that, and it's used universally.
Thanks. --- jwkr...@shaw.ca wrote: From: "John W. Krahn" <jwkr...@shaw.ca> To: Perl Beginners <beginners@perl.org> Subject: Re: two questions Date: Tue, 04 Aug 2009 23:24:56 -0700 sys adm wrote: > > 1. why perl doesn't have a built-in strip() function? Why doesn't BASIC have built-in regular expressions? Why doesn't C have built-in strings? Why doesn't $LANGUAGE have built-in $FEATURE? Because that is the way the language was designed. > each time I need > to say $var =~ s/^\s+|\s+//g to strip the blank space before and after > the variable, specially if this is a CGI var. That actually strips *all* whitespace from the variable: -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
