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#!/bin/bash
#
# ./replace-headers.sh
#
# The purpose of this script is to update old header information from e.g.
# cpp/h files in Coin. The script indicates that it is working by showing
# a . for each file. When the script is done it will show the amount of files
# updated.
#
# Usage: Simply run the script from the directory you wish to update. It will
# do recursive scanning.
#
# Variables:
# DEBUG - Setting this to "true" displays the change without updating,
# and "false" to do the changes in the files.
# STARTSWITH - The start pattern(regex) to look for.
# ENDSWITH - The pattern(regex) to look for after the start pattern.
# HEADER - The new header information to be used.
# IGNORE - The file path pattern(regex) to ignore.
#
# Note: This script does not take backup of changed files. Use with caution!
#
DEBUG=false
HEADER="/**************************************************************************\\
* Copyright (c) Kongsberg Oil & Gas Technologies AS
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\\**************************************************************************/"
STARTSWITH="^/\*\*\*"
ENDSWITH="^\\\*\*\*"
IGNORE="(/boost/|/\.hg/)"
TEMP=".replace-headers.tmp"
COUNTER=0
echo "Updating headers... (This may take several minutes)"
for file in $(find . -type f)
#for file in $@
do
# indicate work in progress...
echo -n .
# skip hidden and binary files
[[ "$file" =~ "/\." ]] && continue
[[ "$file" =~ "$IGNORE" ]] && continue
[[ "$(file $file)" =~ .*:*text ]] || continue
# fetch the header line numbers
LINES=$(wc -l $file | sed -e 's/[^0-9]*\([0-9]*\) .*/\1/')
FROM=$(grep -n "$STARTSWITH" $file | head -n 1 | sed 's/:.*//')
[ "$FROM" = "" ] && continue
LENGTH=$(cat $file | tail -n $(($LINES-$FROM)) | grep -n "$ENDSWITH" | head -n 1 | sed 's/:.*//')
[ "$LENGTH" = "" ] && continue
if ($DEBUG)
then
#debug
clear
echo "Showing \"$file\" from line $FROM-$LENGTH:"
cat $file | head -n $(($FROM+$LENGTH)) | tail -n $(($LENGTH+1))
#echo
#echo "Hit ENTER to continue."
#read
else
# update file
if [[ $(($FROM-1)) -gt 0 ]]; then cat $file | head -n $(($FROM-1)) > $TEMP; fi
echo "$HEADER" >> $TEMP
cat $file | tail -n $(($LINES-$FROM-$LENGTH)) >> $TEMP
mv $TEMP $file
fi
# increase amount of updated files
COUNTER=$(($COUNTER+1))
done
echo
echo "Done! $COUNTER file(s) updated."
|
