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#!/bin/bash
# This script is the receipe to generate the key that have to be created like
# if an applicaiton was installed by its installer. It processes using a
# registry based on the picture of the registry before the application is
# installed and the picture of the registry after the application is installed.
#
# Copyright 1999 Sylvain St-Germain
#
if [ $# -ne 2 ]; then
echo "$0 Usage: "
echo " You must provide 2 arguments."
echo " 1 - Registry output before the application's installation."
echo " 2 - Registry output after the application's installation."
echo
exit 1
fi
echo "Assuming that $1 is the \"before\" file..."
echo "Assuming that $2 is the \"after\" file..."
#
# do not attempt to regFix.pl /dev/null ...
#
echo "Fixing exported registry files..."
if [ $1 != "/dev/null" ]; then
cat $1 | ./regFixer.pl > $1.fix
fi
cat $2 | ./regFixer.pl > $2.fix
#
# diff accordingly depending on /dev/null
#
echo "Diffing..."
if [ $1 != "/dev/null" ]; then
diff $1.fix $2.fix > $2.diff
else
diff /dev/null $2.fix > $2.diff
fi
#
# Keep only added lines
#
echo "Grepping keys to add and generating cleaned fixed registry file."
cat $2.diff | grep '^> ' | sed -e 's/^> //' > $2.toAdd
#
# Restore the file format to the regedit export 'like' format
#
echo "Restoring key's in the regedit export format..."
cat $2.toAdd | ./regRestorer.pl > $2.toAdd.final
echo "Cleaning..."
rm $1.fix $2.fix >/dev/null 2>&1
rm $2.diff >/dev/null 2>&1
rm $2.toAdd >/dev/null 2>&1
mv $2.toAdd.final $2.toAdd
echo "Operation completed, result file is $2.toAdd"
exit 0
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