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#!/bin/bash
# Example usage, find all doubles in all sub directory
# for i in *; do if [ -d $i ]; then double.sh $i; fi; done
#
# To find duplicates in specific directory
# double.sh /path/to/dir /path/to/other/dir ./relativ/path
#
# With zero paramater, the script uses the working diroctory.
DATABASE="/tmp/double.db"
DIR="./found_doubles"
COUNT=0
if [ $# -eq 0 ]; then
LOOP=false
else
LOOP=true
fi
echo ""
while true; do
if [ $LOOP = true ]; then
if [ ! -d "$1" ]; then
echo "Can't chdir to $1."
exit 1
else
echo "Changing directory to '$1'."
cd "$1"
shift
fi
else
echo "Working in directory '$(pwd)'."
fi
sqlite3 $DATABASE "CREATE TABLE files (hash TEXT UNIQUE)"
mkdir -p $DIR
TMP=0
for i in *; do
if [ -f "$i" ]; then
HASH=$(md5sum "$i" | awk '{ print $1 }')
sqlite3 $DATABASE "INSERT INTO files VALUES ('$HASH')" 2>/dev/null
if [ ! $? -eq 0 ]; then
mv -v "$i" "$DIR"
((COUNT ++))
((TMP ++))
fi
fi
done
if [ $TMP -eq 0 ]; then
rmdir $DIR
fi
if [ $LOOP = true ]; then
sqlite3 $DATABASE "DROP TABLE files"
echo ""
else
break
fi
if [ $# -eq 0 ]; then
break;
fi
done
echo "Found and moved $COUNT files to $DIR."
rm -f $DATABASE
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