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Diff.sh
<![CDATA[
#!/usr/bin/ksh
# Work out the difference in files
FILE1=$1
FILE2=$2
TEMP=/tmp
# Ensure input files are sorted
sort -o $TEMP/$FILE1.sorted $FILE1
sort -o $TEMP/$FILE2.sorted $FILE2
# Merge two files together
sort -o $TEMP/outfile.$$ $FILE1 $FILE2
# Get a list of uniqe entries, i.e. either in file1 or file2 only
uniq -u $TEMP/outfile.$$ $TEMP/outfile2.$$
# Compare unique entries against file1, if they appear in unique file only
# must have been in file2 only.....
echo "The following files were in $FILE2 only ...."
comm -13 $TEMP/$FILE1.sorted $TEMP/outfile2.$$
# Compare unique entries against file2, if they appear in unique file only
# must have been in file1 only.....
echo "The following files were in $FILE1 only ...."
comm -13 $TEMP/$FILE2.sorted $TEMP/outfile2.$$
# Tidy Up
rm $TEMP/$FILE1.sorted
rm $TEMP/$FILE2.sorted
rm $TEMP/outfile.$$
rm $TEMP/outfile2.$$
#### END OF SCRIPT
]]>
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