Whoops, "file.print text" of course.
-Toph
On 1/13/06, Topher Cyll <[EMAIL PROTECTED]> wrote:
> Correct me if I'm wrong, but aren't you merging the lines into one
> string in the Perl example, but not in the Ruby example? How about
> the following code combined with one of the look ahead regexps you
> mention in your later mail?
>
> file = File.new(filename, "r+")
> text = file.readlines(nil)
> text.gsub!(REGEXP HERE)
> file.pos = 0
> file.print lines
> file.truncate(f.pos)
>
> -Toph
>
> On 1/13/06, Bryan Donovan <[EMAIL PROTECTED]> wrote:
> > Hi, I'm trying to convert a Perl regex script to Ruby and I'm not sure how
> > to do one little thing..
> >
> > I have a csv file that has newline characters (^M aka \r\n) in the middle
> > of the lines. My Perl script that fixes this is:
> >
> > foreach $file (@ARGV) {
> > open(IN,"$file") or die "can't open $file : $!";
> > @f=<IN>;
> > $f=join("",@f);
> > $f=~s/[\r\n](?!BOB|JOE)//mg;
> > open(OUT,">$file") or die "can't open $file for writing : $!";
> > print OUT $f;
> > }
> >
> > Where BOB and JOE are the only two strings that are expected to start a
> > line. Basically it's checking for a newline that isn't followed by either
> > BOB or JOE and deleting them. I'm sure there are other ways to accomplish
> > this, but it works. So now I'm trying to do this in Ruby, and have the
> > following code so far:
> >
> > ARGV.each do |filename|
> > open(filename, "r+") do |f|
> > lines = f.readlines
> > lines.each do |it|
> > it.gsub!(/[\r\n](BOB|JOE)/m,'')
> > end
> > f.pos = 0
> > f.print lines
> > f.truncate(f.pos)
> > end
> > end
> >
> > And of course I've tried some variations of it. I'm just not sure what to
> > use for the lookahead that the "(?" accomplishes in the Perl script.
> >
> > Thanks for any help.
> > Bryan
> >
> >
> >
> >
> > _______________________________________________
> > PDXRuby mailing list
> > [email protected]
> > IRC: #pdx.rb on irc.freenode.net
> > http://lists.pdxruby.org/mailman/listinfo/pdxruby
> >
>
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