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#!/bin/sh
# Find forbidden PostScript operators in the files specified
# on stdin.
# [21-May-1999] -- update with extended list for PostScript Level 3,
# from pp. 802--803 of the PostScript Language Reference
# Manual, 3rd edition, 1999.
# [29-Jun-1996] -- update to show matching bad operator
# [23-Oct-1992]
# Level 2 list (19 operators):
# /banddevice|grestoreall|nulldevice|setpageparams|copypage|initclip|quit|setsccbatch|erasepage|initgraphics|renderbands|setscreen|exitserver|initmatrix|setdevice|settransfer|framedevice|note|setmatrix/
# Level 3 list (36 operators):
nawk '
/^%/ {next}
match($0,/[^A-Za-z](banddevice|clear|cleardictstack|copypage|erasepage|executive|exitserver|framedevice|grestoreall|initclip|initgraphics|initmatrix|nulldevice|quit|renderbands|setblackgeneration|setcolorrendering|setcolorscreen|setcolortransfer|setflat|setglobal|setgstate|sethalftone|setmatrix|setoverprint|setpagedevice|setscreen|setshared|setsmoothness|settransfer|setundercolorremoval|startjob|statusdict|undefinefont|undefineresource|userdict)[^A-Za-z]/) {
print FILENAME ":" NR ": " $0 ": [" substr($0,RSTART,RLENGTH) "] illegal in EPS file"
}' $*
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