sourcelines

#!/bin/bash

# grep -v "^#include" $1 | gcc -E - | grep -v "^[ \t]*[{}]*[ \t]*$" | grep -v "^#" | wc -l

#
# First, make a temp file that will contain the number of lines in
# each source file, one number per line
#
tmpfile=`mktemp "/tmp/sourcelinesXXXXXX"`

#
# We use a trick:  gcc -E will run the preprocessor, 
#
find $1 -name "*.cpp" -exec bash -c 'grep -v "^[ \t]*#include" $0 | grep -v "^[ \t]*#error" | gcc -E - | grep -v "^[ \t]*[\{\}\;]*[ \t]*$" | grep -v "^[ \t]*#" | wc -l' \{\} \; > $tmpfile
find $1 -name "*.c" -exec bash -c 'grep -v "^[ \t]*#include" $0 | grep -v "^[ \t]*#error"  | gcc -E - | grep -v "^[ \t]*[\{\}\;]*[ \t]*$" | grep -v "^[ \t]*#" | wc -l' \{\} \; >> $tmpfile
find $1 -name "*.h" -exec bash -c 'grep -v "^[ \t]*#include" $0 | grep -v "^[ \t]*#error"  | gcc -E - | grep -v "^[ \t]*[\{\}\;]*[ \t]*$" | grep -v "^[ \t]*#" | wc -l' \{\} \; >> $tmpfile
find $1 -name "*.java" -exec bash -c 'cat $0 | gcc -E - | grep -v "^[ \t]*[\{\}\;]*[ \t]*$" | grep -v "^[ \t]*#" | grep -v "^[ \t]*import" | grep -v "^[ \t]*package" | wc -l' \{\} \; >> $tmpfile

#
# Sum up the lines from each source file
#
t=0
for x in `cat $tmpfile`; do t=$((t+x)); done 
rm $tmpfile

echo $t