On Friday 29 November 2002 14:28, you wrote: > Joseph Paish wrote: > > i have a data file that i am reading into an array. some of the data > > file entries have a space at the end of the line and some do not. is > > there some way that i can delete the space if it exists as i read each > > line (something like chomp deletes newlines if they exist)? preferably > > something legible to a perl newbie (i am going to have to maintain this > > in the future, and the less obscure the code, the better). > > > > thanks > > > > joe > > > > ps. examples of data file entries : > > > > first line of file > > second line of file > > third line of file > > > > the space at the end of the second line is invisible just to look at it, > > but i need to strip it off as i read it. > > If the current line is in $_ (the default): > > s/\s+$//; > > If instead you have assigned the current line to a variable like $line > > $line =~ s/\s+$//; > > P.S. This is a Frequently Asked Question and is answered in the > perlfaq4 document that is supplied with Perl. > > perldoc -q "How do I strip blank space from the beginning/end of a > string" > > > > John
thanks to all that replied. i guess i have to learn my way around regular expressions now. i've managed to go this long without studying them because i find them to be cryptic (to say the least). at least this one is fairly simple, and by deconstructing it piece by piece, i can even understand how it works. joe -- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
