> From [EMAIL PROTECTED] Tue Mar 19 00:12:33 2002
> From: Glen Davison <[EMAIL PROTECTED]>
> To: [EMAIL PROTECTED]
> Subject: LPRng: Writing PS Filters
> Date: Tue, 19 Mar 2002 18:04:07 +1100
>
>
> Dear All,
>
> I have been thinking about writing a very basic, bodgey sort of filter (in
> perl probably) to tweak postscript files going to a Canon CLC1100 (colour).
> (Canon don't officially support linux, naturally.)
>
> I wrote a VERY basic thing (perl equiv. of `cat -`) as a first step, and was
> absolutely dumb-founded to find that what came out the other end was the
> *log* *file* for the job, rather than the job itself!!! I am completely
> confused. Can anyone explain to me how or why this happened??
>
> Here's my set-up:
>
> printcap :-
>
> prcol
> :cm=Canon Colour - CLC1100/PS-NX600
> :lp=hold@prcolour
> :sd=/var/spool/lpd/prcol
> :rw:sh:af=log:ar:lf=log:ps=status:mx#0:fx=flpv
> :create_files:max_log_file_size#0
> :if=/usr/local/libexec/filters/tst
>
> The printer has two main queues: 'hold' and 'print'. 'hold' saves paper.
>
> /usr/local/libexec/filters/tst :-
>
> #! /usr/bin/perl
>
> # This should be equiv to `tee /tmp/log`
> open (LL,">/tmp/filt_log");
> while (<>) {
Please read the Perl documentation on <>
This is equivalent to:
for each arguement on the command line
open it as a file
read the file
... Sick... eh?
Patrick
> print LL $_;
> print;
> }
> close (LL);
>
>
> Thanks for any help
> Glen
>
> --
> Glen Davison [EMAIL PROTECTED]
> Computer System Administrator phone: +61 2 9385 7018
> Maths, UNSW fax: +61 2 9385 7192
>
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