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44 lines
1.3 KiB
Text
44 lines
1.3 KiB
Text
Do not require bash -- BSD sh(1) is perfectly capable of executing
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this script.
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While here, replace use of perl in removal of some characters from
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streams with the much lighter tr(1) invocations. Strip out
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carriage-returns (\r) characters from remote printer's responses too.
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Remove useless braces around variable-names.
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-mi
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--- foomatic-getpjloptions.in 2015-02-14 07:21:56.000000000 -0500
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+++ foomatic-getpjloptions.in 2015-02-15 07:36:23.000000000 -0500
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@@ -1,3 +1,3 @@
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-#!@SH@
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+#!/bin/sh
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#
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# Polls PJL options from local or network printers
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@@ -23,6 +23,5 @@
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NC=@NC@
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CAT=@CAT@
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-PRINTF=@PRINTF@
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-PERL=@PERL@
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+PRINTF=printf # sh builtin
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usage(){
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@@ -63,12 +62,13 @@
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- # We have two arguments, do ethernet printer request
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+ # We have two arguments, do network printer request
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# Poll the printer's answer and filter out the newpage characters
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+ # as well as the carriage-returns (\r or, in octal, 015)
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- ${NC} -w 3 ${1} ${2} 2>/dev/null | ${PERL} -p -e "s/\014//"
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+ $NC -w 3 $1 $2 2>/dev/null | tr -d "\015\014"
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else
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# We have one argument, do local printer request
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# Send commands to printer port
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- ${CAT} > ${1}
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+ $CAT > $1
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# Wait ten seconds for the printer to process the request
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sleep 10
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# Poll the printer's answer and filter out the newpage and CR characters
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- ${CAT} < ${1} | ${PERL} -p -e "s/[\015\014]//"
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+ exec tr -d "\015\014" < $1
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fi
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