postreverse(1) manual page
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postreverse - reverse the page order in a PostScript file
postreverse
[ -o list ] [ -r ] [ file ]
/usr/lib/lp/postscript/postreverse
SUNWlpu
The postreverse filter reverses the page order in files
that conform to Adobe’s Version 1.0 or Version 2.0 file structuring conventions,
and writes the results on the standard output. Only one input file is allowed
and if no file is specified, the standard input is read.
The postreverse
filter can handle a limited class of files that violate page independence,
provided all global definitions are bracketed by %%BeginGlobal and %%EndGlobal
comments. In addition, files that mark the end of each page with %%EndPage:
label ordinal comments will also reverse properly, provided the prologue
and trailer sections can be located. If postreverse fails to find an %%EndProlog
or %%EndSetup comment, the entire file is copied, unmodified, to the standard
output.
Because global definitions are extracted from individual pages and
put in the prologue, the output file can be minimally conforming, even
if the input file was not.
- -o list
- Select pages whose numbers are
given in the comma-separated list. The list contains single numbers N and
ranges N1 - N2. A missing N1 means the lowest numbered page, a missing N2
means the highest. The page range is an expression of logical pages rather
than physical sheets of paper. For example, if you are printing two logical
pages to a sheet, and you specified a range of 4, then two sheets of paper
would print, containing four page layouts. If you specified a page range
of 3-4, when requesting two logical pages to a sheet; then only page 3 and
page 4 layouts would print, and they would appear on one physical sheet
of paper.
- -r
- Do not reverse the pages in file.
To select pages 1 to
100 from file and reverse the pages:
example% postreverse -o1-100 file
To
print four logical pages on each physical page and reverse all the pages:
example% postprint -n4 file | postreverse
To produce a minimally conforming
file from output generated by dpost without reversing the pages:
example%
dpost file | postreverse -r
download(1)
, dpost(1)
, postdaisy(1)
,
postdmd(1)
, postio(1)
, postmd(1)
, postprint(1)
, posttek(1)
An
exit status of 0 is returned if file was successfully processed.
No
attempt has been made to deal with redefinitions of global variables or
procedures. If standard input is used, the input file will be read three
times before being reversed.
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