29 lines
461 B
Plaintext
29 lines
461 B
Plaintext
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#!/bin/sh
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usage () {
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cat <<EOF>&2
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Usage: ${0##*/} FILES
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Rename FILES to lowercase if destination does not exist.
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EOF
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}
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[ $# -eq 0 ] && usage && exit 1
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[ "$1" = "-h" ] && usage && exit
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[ "$1" = "--" ] && shift
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for f ; do
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filename=${f##*/}
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case "$f" in
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*/*) dirname="${f%/*}" ;;
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*) dirname="." ;;
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esac
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nf="$(echo "$filename" | awk '{print tolower($0)}')"
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[ "$nf" = "$filename" ] && continue
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newname="${dirname}/${nf}"
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mv -nv "$f" "$newname"
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done
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