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Utility Programs Used By IFHP
Tue Apr 13 21:39:23 PDT 1999
I recommend the following utility programs for use with LPRng.
They seem to be the 'best of their breed', at least for this week:
A2PS - Ascii Text to PostScript Converter
http://www-inf.enst.fr/~demaille/a2ps
ftp://ftp.enst.fr/pub/unix/a2ps/
a2ps is an Any to PostScript filter. It started as a Text to
PostScript converter, with pretty printing features and all the
expected features from this kind of programs. But today, it is also
able to deal with other file types (PostScript, Texinfo, compressed,
whatever...) provided you have the necessary tools.
Some samples of its Text to PostScript feature are available: in
plain style, or in the gray style (and its alternative gray2), or
with colors. (Remember! Sometimes you can't trust too much ghostview:
print it, then evaluate!)
You can even see more samples! (they are old though, and don't
reflect very well everything that can be done.)
GNU enscript
http://www.gnu.org - following links to ftp mirror site
This is similar to a2ps, but with a more limited set of functionality.
file - utility to determine file type
ftp://ftp.astron.com/pub/file/
ftp.deshaw.com/pub/file/
OR a copy can be obtained from:
ftp://ftp.lprng.com/pub/LPRng/UNIXTOOLS/file/
Also available from the RedHat.com SRPMS in (of course) rpm format
FILE(1) FILE(1)
NAME
file - determine file type
SYNOPSIS
file [ -vczL ] [ -f namefile ] [ -m magicfiles ] file ...
DESCRIPTION
This manual page documents version 3.21 of the file com-
mand. File tests each argument in an attempt to classify
it. There are three sets of tests, performed in this
order: filesystem tests, magic number tests, and language
tests. The first test that succeeds causes the file type
to be printed.
The type printed will usually contain one of the words
text (the file contains only ASCII characters and is prob-
ably safe to read on an ASCII terminal), executable (the
file contains the result of compiling a program in a form
understandable to some UNIX kernel or another), or data
meaning anything else (data is usually `binary' or non-
printable). Exceptions are well-known file formats (core
files, tar archives) that are known to contain binary
data. When modifying the file /usr/share/misc/magic or
the program itself, preserve these keywords . People
depend on knowing that all the readable files in a direc-
tory have the word ``text'' printed. Don't do as Berkeley
did - change ``shell commands text'' to ``shell script''.
GhostScript - PostScript converter
http://www.ghostscript.org
http://www.cs.wisc.edu/~ghost/index.html
http://www.ghost.com/
Does conversion from PostScript and PDF to a wide range of other
formats, including those compatible with various printers.
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