code_statistics

#!/bin/bash
#-----------------------------------------------------------------------------------------------------------------------
# This file is part of Fim - File Integrity Manager
#
# Copyright (C) 2017  Etienne Vrignaud
#
# Fim is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Fim is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Fim.  If not, see <https://www.gnu.org/licenses/>.
#-----------------------------------------------------------------------------------------------------------------------

if [ ! -d build ]; then
	mkdir build
fi

allJavaLines=build/all_java_lines
trimmedLines=build/all_java_lines_trimed
meaningfulLines=build/all_java_lines_meaningful
uniqDuplicatedLines=build/uniq_duplicated_lines

find . -name "*.java" -exec cat {}  \; > ${allJavaLines}

totalJavaLines=`cat ${allJavaLines} | wc -l`

# Trim all lines, remove empty lines and remove ^M
cat ${allJavaLines} | awk '{$1=$1;print}' | tr -d $'\r' > ${trimmedLines}
# Remove non meaningful lines
cat ${trimmedLines} | egrep -v "^$|^\{$|^\}$|^//|^/\*|^\*|^import|^package|^try|^continue|^else|^break|^return|^@Test" > ${meaningfulLines}

meaningfulLinesCount=`cat ${meaningfulLines} | wc -l`
differentLinesCount=`cat ${meaningfulLines} | sort | uniq | wc -l`

duplicatedLines=`echo "$meaningfulLinesCount - $differentLinesCount" | bc`
duplicatePercent=`echo "$duplicatedLines * 100 / $meaningfulLinesCount" | bc`

cat ${meaningfulLines} | sort | uniq -d > ${uniqDuplicatedLines}

echo "Total java lines: $totalJavaLines"
echo "$duplicatedLines duplicated lines ($duplicatePercent% of the meaningful lines)"
echo ""
echo "More details in ${uniqDuplicatedLines}"

#-----------------------------------------------------------------------------------------------------------------------