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#!/bin/sh
DATE=$(date '+%Y-%m-%d_%H.%M.%S')
TMPDIR=/tmp/pd-diff
#------------------------------------------------------------------------------
# FUNCTIONS
generate_tmp_filename () {
echo ${TMPDIR}/$(echo $1 | sed -e 's|/|_|g')-${DATE}
}
prep_for_diff () {
TMPFILE=$(generate_tmp_filename "$1")
# everything but the first line
# no "connect" lines
# remove position information
cat "$1" | \
sed '2,$!d' | \
grep -v '#X connect ' | \
sed 's/\(#[XN] [a-z]+\) [0-9]+ [0-9]+/\1/' \
> ${TMPFILE}
}
#------------------------------------------------------------------------------
# THE PROGRAM
if [ $# -ne 2 ]; then
echo "ERROR: Invalid number of arguments ($#)"
echo "Usage: $0 FILE1 FILE2"
else
if [ ! -d ${TMPDIR} ]; then
mkdir ${TMPDIR}
fi
TMP1=$(generate_tmp_filename "$1")
TMP2=$(generate_tmp_filename "$2")
prep_for_diff "$1"
prep_for_diff "$2"
# diff of everything except "#X connect"'s
diff -uw "${TMP1}" "${TMP2}"
file1count=$(grep -v '#X connect ' "$1" | wc -l)
file2count=$(grep -v '#X connect ' "$2" | wc -l)
if [ $file1count -ne $file2count ]; then
echo "---------------------------------------------------------"
echo Connections differ: ${file1count} vs. ${file2count}
fi
fi
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