#!/bin/bash
PROGNAME=$(basename $0)

PREFIX=/pub/multimedia/audio
FIX=${FIX:-false}

process()
{
    TITLE="$1"
    DETECT_CMD="$2"
    REPAIR_CMD="$3"

    #echo "running command [$DETECT_CMD] ..." >&2
    eval "$DETECT_CMD" > /tmp/$PROGNAME.$$.out 2>&1 || true
    if [ "X`stat -c %s /tmp/$PROGNAME.$$.out`" != X0 ]; then
        echo "$TITLE"
        printf "%${#TITLE}.${#TITLE}s\\n" "================================================================"
        echo
        cat /tmp/$PROGNAME.$$.out
        echo
    fi

    if $FIX; then
        while read FILE; do
            eval "$REPAIR_CMD"
        done < /tmp/$PROGNAME.$$.out
    fi

    rm -f /tmp/$PROGNAME.$$.out
}

cd /pub/multimedia/audio
process "files with colons" 'find $PREFIX | grep : | grep -v "Various/John Peel"' 'mv "$FILE" "${FILE//: / }"'
process "files with multispaces" 'find $PREFIX | grep "  "' 'dummy'
process "files with unexpected extensions" 'find $PREFIX -type f \! \( -name "*.mp3" -o -name "*.jpg" \)' 'dummy'
process "files with bad permissions" 'find $PREFIX \( \( -type f \! -perm -444 \) -o \( -type d \! -perm -555 \) \)' 'chmod 644 "$FILE"'