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##Eskil Plugin : Compare text from PDF files. (needs pdftotext)
# Example file for a plugin.
# A plugin must start exactly like this one.
# The text after : is the summary you can get at the command line
# This plugin runs input through the external tool pdftotext.
# Thus it must be run together with the -pluginallow flag.
# Anything given in -plugininfo is passed as parameters to pdftotext.
# A plugin must define this procedure to do the job.
# side: left or right
# chi: An input channel for reading the original file.
# cho: An output channel for writing the processed file.
proc PreProcess {side chi cho} {
if {[info commands exec] eq ""} {
puts $cho "PDF plugin must be run with privilege to be able\
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##Eskil Plugin : Compare text from PDF files. (needs pdftotext)
#
# This plugin runs input through the external tool pdftotext.
# Thus it must be run together with the -pluginallow flag.
# Anything given in -plugininfo is passed as parameters to pdftotext.
# Example file for a plugin.
# A plugin's first line must start exactly like this one.
# The text after : is the summary you can get at the command line
# A plugin must define this procedure to do the job.
# side: left or right
# chi: An input channel for reading the original file.
# cho: An output channel for writing the processed file.
proc PreProcess {side chi cho} {
if {[info commands exec] eq ""} {
puts $cho "PDF plugin must be run with privilege to be able\
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