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Recover from an Audacity crash by reassembling the saved data files
#!/bin/bash
#Recover from an Audacity crash by reassembling the saved data files
if [ $# != 2 ]; then
echo "ERROR: Not enough arguments"
echo "$0 [SOURCE PATH] [DESTINATION]"
exit 1
fi
DATA="$1/"
OUT=$2
if [ -e $OUT ]; then
# Hope the path exists
echo "ERROR: Output file exists ($OUT)"
exit 1
fi
COUNT=1
FORMAT="%sb%.5d.au\n" # I don't know if audacity sometimes uses different name formats
while [ 1 ]; do
FILE=$(printf $FORMAT $DATA $COUNT)
if [ -e $FILE ]; then
#The offsets are probably all going to be the same, but best check it
OFFSET=$(echo $(od -i -j4 -N4 -An < $FILE) ) # Use echo for easy trim
if [ $COUNT -eq 1 ]; then
# Write the header
dd ibs=$OFFSET count=1 if=$FILE of=$OUT
fi
echo "Adding $FILE (offset=$OFFSET)"
dd ibs=$OFFSET skip=1 conv=notrunc oflag=append if=$FILE of=$OUT
else
break
fi
let COUNT+=1
done
echo "Done"
@mef
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mef commented Oct 22, 2014

I had problem with this script as the version of Audacity I use do not follow the same name format as the one used. Fixed in forked script (accepts any .au file).

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