Re: Reverse of Chomp...
On Wed, 18 Jun 2003 15:18:31 +0100 Beckett Richard-qswi266,
[EMAIL PROTECTED] wrote:
Surely the nicest way is to set the output array seperator to \n?
i.e.
$\ = \n;
print @array;
Hi Richard,
I'm afraid your idea won't help George much. If you reread his email,
you will see that he needs to append a \n to _each_ element of @array.
Your suggestion will only add a \n after all of the array elements
have been printed ($\ == $OUTPUT_RECORD_SEPARATOR).
As has been already suggested, setting $ (LIST_SEPARATOR)
{ local $ = \n; print @array\n; }
or, probably better, $, (OUTPUT_FIELD_SEPARATOR)
{ local $, = \n; print @array,''; }
will do the trick quite nicely.
For the difference between '$\', '$', '$,' see perldoc perlvar.
Regards,
Jonathan D Johnston
-Original Message-
From: George Gallen [mailto:[EMAIL PROTECTED]
Sent: 12 June 2003 21:46
To: [EMAIL PROTECTED]
Subject: Reverse of Chomp...
Is there a way to reverse chop/chomp
I'm reading STDIN into an array, then
chomping off the last character of each of the
array elements.
Now I'd like to write the array back out
to STDOUT, but I want to put the \n's back between
each of the lines.
Aside from looping through the array, and
print each element followed by a \n to STDOUT
is there an easier way like:
unchop(@array) ; STDOUT = @array ;
I guess I could write a short subroutine, but didn't
want to re-invent the wheel, even though there isn't
much re-inventing in that routine.
Thanks
George
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RE: Reverse of Chomp..(regarding not chomping)
On Fri, 13 Jun 2003, George Gallen wrote: Possibly in some cases, yes. In my case no. While yes by creating a second working array which is chomped would be fine, except for the additional memory needed to hold the second array. That also assumes that the array contents won't change from when it was chomped to when I need to join it back, which in my case, will happen, so by not chomping in the first place (if you mean by keeping a working array and chomping that one). Otherwise it would take more coding (for my application) to constantly ignore the tailing \n on each element. The terminal $ in a regex will match either the end of the string OR the \n at the end of a string. [EMAIL PROTECTED] Carl Jolley All opinions are my own and not necessarily those of my employer ___ Perl-Win32-Users mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
Re: Reverse of Chomp
On Fri, 13 Jun 2003 13:49:45 +, you wrote: Is there a way to reverse chop/chomp I'm reading STDIN into an array, then chomping off the last character of each of the array elements. Now I'd like to write the array back out to STDOUT, but I want to put the \n's back between each of the lines. You've gotten a number of good suggestions. Let me throw out another idea: $ = \n; print @array\n; No doubt someone will tell me how dreadful that is. :-) I also agree with the poster who asked why you chomped in the first place; is there really no way to work with the data with the newlines present? -- Eric Amick Columbia, MD ___ Perl-Win32-Users mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
Re: Reverse of Chomp
- Original Message - From: Eric Amick [EMAIL PROTECTED] To: [EMAIL PROTECTED] Sent: Friday, June 13, 2003 9:15 PM Subject: Re: Reverse of Chomp On Fri, 13 Jun 2003 13:49:45 +, you wrote: Is there a way to reverse chop/chomp I'm reading STDIN into an array, then chomping off the last character of each of the array elements. Now I'd like to write the array back out to STDOUT, but I want to put the \n's back between each of the lines. You've gotten a number of good suggestions. Let me throw out another idea: $ = \n; print @array\n; No doubt someone will tell me how dreadful that is. :-) I also agree with the poster who asked why you chomped in the first place; is there really no way to work with the data with the newlines present? well if that's dreadful then this is at least as bad :-): $,=\n; print @array,; In any case, I've run into lots of situations where I have to chomp the input data such as file / directory names or hash keys (of course I don't know how often I print back out the same thing I'm reading?). I use the -l command line switch to get this behavior in simple one-liners from the command line but that won't help here... -- Eric Amick Columbia, MD ___ Perl-Win32-Users mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs ___ Perl-Win32-Users mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
RE: Reverse of Chomp...
Title: Reverse of Chomp...
Would this
work?
map { print "$_ \n" }
@array;
I think that
still loops through it though. H.
-Original Message-From:
[EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]On Behalf Of
George GallenSent: Thursday, June 12, 2003 3:46
PMTo: [EMAIL PROTECTED]Subject:
Reverse of Chomp...
Is there a way to reverse chop/chomp
I'm reading STDIN into an array, then chomping off the last character of each of the
array elements.
Now I'd like to write the array back out to STDOUT, but I want to put the \n's back
between each of the lines.
Aside from looping through the array, and print each element followed by a \n to
STDOUT is there an easier way
like:
unchop(@array) ; STDOUT = @array ;
I guess I could write a short subroutine, but didn't
want to re-invent the wheel, even though there isn't
much re-inventing in that routine.
Thanks George
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Re: Reverse of Chomp...
George Gallen wrote:
Is there a way to reverse chop/chomp
I'm reading STDIN into an array, then
chomping off the last character of each of the
array elements.
Now I'd like to write the array back out
to STDOUT, but I want to put the \n's back between
each of the lines.
Aside from looping through the array, and
print each element followed by a \n to STDOUT
is there an easier way like:
unchop(@array) ; = @array ;
I guess I could write a short subroutine, but didn't
want to re-invent the wheel, even though there isn't
much re-inventing in that routine.
Thanks
George
George --
print STDOUT join \n, @array
or
@array = map {$_.=\n[EMAIL PROTECTED];
Cheers!
-- mike higgins
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RE: Reverse of Chomp...
Title: Message You mean like this? print join "\n", @array; -- Mark Thomas Thomas.Mark@bls.gov Internet Systems Architect User Technology Associates, Inc. $_=q;KvtuyboopuifeyQQfeemyibdlfee;; y.e.s. ;y+B-x+A-w+s; ;y;y; ;;print;; -Original Message-From: George Gallen [mailto:[EMAIL PROTECTED] Sent: Thursday, June 12, 2003 4:46 PMTo: [EMAIL PROTECTED]Subject: Reverse of Chomp... Is there a way to reverse chop/chomp I'm reading STDIN into an array, then chomping off the last character of each of the array elements. Now I'd like to write the array back out to STDOUT, but I want to put the \n's back between each of the lines. Aside from looping through the array, and print each element followed by a \n to STDOUT is there an easier way like: unchop(@array) ; STDOUT = @array ; I guess I could write a short subroutine, but didn't want to re-invent the wheel, even though there isn't much re-inventing in that routine. Thanks George
RE: Reverse of Chomp...
print STDOUT join(qq{\n},@array),qq{\n};
should do it.
Hope this helps
Tobias
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of George
Gallen
Sent: Thursday, June 12, 2003 2:46 PM
To: [EMAIL PROTECTED]
Subject: Reverse of Chomp...
Is there a way to reverse chop/chomp
I'm reading STDIN into an array, then
chomping off the last character of each of the
array elements.
Now I'd like to write the array back out
to STDOUT, but I want to put the \n's back between
each of the lines.
Aside from looping through the array, and
print each element followed by a \n to STDOUT
is there an easier way like:
unchop(@array) ; STDOUT = @array ;
I guess I could write a short subroutine, but didn't
want to re-invent the wheel, even though there isn't
much re-inventing in that routine.
Thanks
George
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RE: Reverse of Chomp...
Try: print STDOUT join \n, @array; Brad -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of George Gallen Sent: Thursday, June 12, 2003 1:46 PM To: [EMAIL PROTECTED] Subject: Reverse of Chomp... Is there a way to reverse chop/chomp I'm reading STDIN into an array, then chomping off the last character of each of the array elements. Now I'd like to write the array back out to STDOUT, but I want to put the \n's back between each of the lines. Aside from looping through the array, and print each element followed by a \n to STDOUT is there an easier way like: unchop(@array) ; STDOUT = @array ; I guess I could write a short subroutine, but didn't want to re-invent the wheel, even though there isn't much re-inventing in that routine. Thanks George ___ Perl-Win32-Users mailing list [EMAIL PROTECTED] To unsubscribe: http://listserv.ActiveState.com/mailman/mysubs
RE: Reverse of Chomp...
Title: Reverse of Chomp...
Thanks
to all, it seems join("\n",@array) will do exactly
what I
need. And for the STDOUT part, just tack on the
extra
\n for the last element.
I'll
have to look at join again to see what else it can do
as well
as map.
Thanks
for the info.
George
-Original Message-From: George Gallen
[mailto:[EMAIL PROTECTED]Sent: Thursday, June 12, 2003 4:46
PMTo: [EMAIL PROTECTED]Subject:
Reverse of Chomp...
Is there a way to reverse chop/chomp
I'm reading STDIN into an array, then chomping off the last character of each of the
array elements.
Now I'd like to write the array back out to STDOUT, but I want to put the \n's back
between each of the lines.
Aside from looping through the array, and print each element followed by a \n to
STDOUT is there an easier way
like:
unchop(@array) ; STDOUT = @array ;
I guess I could write a short subroutine, but didn't
want to re-invent the wheel, even though there isn't
much re-inventing in that routine.
Thanks George
