Patrick Powell writes;
> Well, I started looking into removing PJL from a job file and
> discovered that it is not quite as easy as I thought.
>
> Removing it from the start YES. But what about any stuff at the end?
> In the middle?
>
> Any comments from the list on this?
Stuff at the end: Remove everything after and including the
PJL escape sequence (viz. ^[%-12345X). Also check for a
subsequent trailing ^D.
Stuff in the middle: there won't be any because any new PJL has
to be introduced by the above sequence but by definition that
is the end of the program.
I've never seen a postscript file with PJL in the middle of it
and I've never had a complaint that part of job was missing
which was attributable to that.
Furthermore, although I've never seen it specified, I believe a
new "ENTER POSTSCRIPT" command , which would be required if you
escaped into PJL, would restart the postscript interpreter
which implies a whole new postscript file.
In another message Brandon S. Allbery writes;
> FWIW I've been running for some time with a hacked filter (stolen from
> netatalk) which strips PJL from the start and the end. (It's not very
> good; it strips to the first %! and from a trailing \E%-12345X to end ---
> this seems to cause problems with the Windows HP5SiMX driver, the target
> printer needs a hard reset to recover. Sheesh). This was necessary for
> mixed Unix and Windows printing in our environment.
Sounds like what we do and we haven't had any problems. On the
other hand we don't interfere with a windows machine delivering
straight to a printer (ie. physically connected) It's only the
stuff that comes through unix that we massage.
I think it is because they have combined the two functions of
file generation and printer driver into one program which they
call a driver. When it is directly connected it works well
enough but when it is to be delivered over the net to a
spooler some of it (eg. PJL) is no longer appropriate.
> The flag is now 'remove_pjl_from_start' :0)
Aw ... I think you can stick with remove_pjl.
Jim
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