On Thu, 17 Oct 2002, Jeff 'japhy' Pinyan wrote:
> On Oct 17, Mandar Rahurkar said:
>
> >> >> @new = grep { ! /^$no/ } @list;
> >> >> @new = grep !/^\Q$no/, @list;
> >> >
> >> >thanks for your prompt reply...however this does not work..
> >> >program does not generate any output...
> >>
> >> What program? Please show us the code you're (now) using.
> >
> >$spkr=shift(@ARGV);
> >@list = `ls`;
> >@n_train_list = grep !{/^$spkr/}, @list;
> >print @n_train_list;
>
> You're messing up your grep(). (And you don't have warnings on, or else
> you'd be given some warnings that might help you figure things out.)
>
> grep() comes in two flavors:
>
> grep { CODE } LIST
>
> and
>
> grep EXPR, LIST
>
> The first form has no comma, the second does. Your code is the 2nd form,
> and you're logically negating a hash reference. You want either
>
> grep { !/^$spkr/ } @list;
>
> or
>
> grep !/^$spkr/, @list;
Thanks a lot Jeff ..it works.....however suppose i find spkr without
special character. for eg not 145 so 147a will do but 147d will not.
how can i introduce another negation ? I hope I have made myself
understandable.
Thanks a million..
-Mandar
>
> --
> Jeff "japhy" Pinyan [EMAIL PROTECTED] http://www.pobox.com/~japhy/
> RPI Acacia brother #734 http://www.perlmonks.org/ http://www.cpan.org/
> ** Look for "Regular Expressions in Perl" published by Manning, in 2002 **
> <stu> what does y/// stand for? <tenderpuss> why, yansliterate of course.
> [ I'm looking for programming work. If you like my work, let me know. ]
>
>
--
To unsubscribe, e-mail: [EMAIL PROTECTED]
For additional commands, e-mail: [EMAIL PROTECTED]
