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101 lines
1.9 KiB
101 lines
1.9 KiB
4 years ago
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#!/bin/sh
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# Bulk rename files inside a directory
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# Depends:
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# User-config-------------------------------
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# Define editor to open file in
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set -- emacsclient -a ''
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# ------------------------------------------
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# Output formatting
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B=$(tput bold)
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L=$(tput setf 1) # Blue
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N=$(tput sgr0)
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format() {
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echo "${B}${L}::${N}${B} ${1}${N}"
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}
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cleanup() {
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[ -f "$tmpfile" ] && rm -f "$tmpfile"
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exit "${1:-0}"
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}
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signal() {
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echo
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cleanup 1
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}
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# ------------------------------------------
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# Get all filenames in the current directory
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files=$(find . -maxdepth 1 -type f -printf '%P\n' | sort)
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# Write all filesnames to tmpfile
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tmpfile=$(mktemp)
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trap signal HUP INT TERM
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echo "$files" > "$tmpfile"
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# Open tmpfile in editor, wait to continue
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md5_before=$(md5sum "$tmpfile")
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format "Waiting for editor..."
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"$@" "$tmpfile" > /dev/null
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md5_after=$(md5sum "$tmpfile")
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# Exit if nothing was changed
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[ "$md5_before" = "$md5_after" ] && cleanup 1
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# Exit on mismatch entry size
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lines_before=$(echo "$files" | wc -l)
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lines_after=$(wc -l "$tmpfile" | cut -d ' ' -f 1)
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if [ "$lines_before" != "$lines_after" ]; then
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echo "File amount mismatch!"
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cleanup 1
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fi
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# Exit if file has a space
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if grep -Fq ' ' "$tmpfile"; then
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echo "Filenames with spaces are not supported!"
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cleanup 1
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fi
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# Create file commands
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i=1
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for file in $files; do
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newFile=$(sed -n "${i}p" "$tmpfile")
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if [ "$file" = "$newFile" ]; then
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command=""
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else
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[ -z "$newFile" ] && command="rm -f ${file}" || command="mv ${file} \0"
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fi
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sed -i "${i}s/.*/${command}/;" "$tmpfile" > /dev/null
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i=$((i+1))
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done
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# Delete empty lines
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sed -Ei '/^\s*$/d' "$tmpfile"
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# Display commands
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prompt=$(cat "$tmpfile")
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printf "\n%s\n\n" "$prompt"
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# Confirm with user
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printf "%s " "$(format "Proceed with execution? [Y/n]")"
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read -r execute
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# Execute file commands
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if [ "$execute" = "" ] || [ "$execute" = "y" ] || [ "$execute" = "Y" ]; then
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format "Executing commands..."
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sh "$tmpfile"
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else
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cleanup 1
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fi
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cleanup
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