Shell Programming and Scripting

find ./ -iname '[0-9]*.mp3' | while read FILE
do
        echo "Working on file $FILE"
done

IFS="/" # Split on /
find ./ -name '[0-9]*.mp3' | while read FILE
do
        set -- $FILE # Split ./path/whatever.mp3 into $1=., $2=path, $3=whatever.mp3

        P="$1"
        shift

        while [ "$#" -gt 1 ] # Build up the contents of P into ./path/
        do
                P="$P/$1"
                shift # Delete current $1, set $1=$2, $2=$3, ...
        done

        # Should be left with the path in P, and the file itself in $1
        echo "File is $1"
        echo "Path is $P"

        NEWNAME="whatever.mp3"
        echo mv "$P/$1" "$P/$NEWNAME"
done

#!/bin/sh

IFS="/" # Split on /
find ./ -name '[0-9]*.mp3' | while read FILE
do
        P=""
        set -- $FILE
        while [ "$#" -gt 1 ]
        do
                [ -z "$P" ] || P="${P}/"
                P="$P$1"
                shift
        done

        echo "old name is $1"
        NEWNAME=$(echo $1 | sed 's/^[0-9]*[^a-zA-Z]*//')
        echo "new name is $NEWNAME"
        mv "$P/$1" "$P/$NEWNAME"
done