181 lines
3.7 KiB
Bash
Executable File
181 lines
3.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Description: An almost fully POSIX compliant batch file renamer
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#
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# Note: nnn auto-detects and invokes this plugin if available
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# Whitespace is used as delimiter for read.
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# The plugin doesn't support filenames with leading or trailing whitespace
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# To use NNN_LIST your shell must support readlink(1)
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#
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# Capabilities:
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# 1. Basic file rename
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# 2. Detects order change
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# 3. Can move files
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# 4. Can remove files
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# 5. Switch number pairs to swap filenames
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#
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# Shell: bash
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# Author: KlzXS
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EDITOR="${EDITOR:-vi}"
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TMPDIR="${TMPDIR:-/tmp}"
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NNN_INCLUDE_HIDDEN="${NNN_INCLUDE_HIDDEN:-0}"
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VERBOSE="${VERBOSE:-0}"
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RECURSIVE="${RECURSIVE:-0}"
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case "$NNN_TRASH" in
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1)
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RM_UTIL="trash-put" ;;
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2)
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RM_UTIL="gio trash" ;;
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*)
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RM_UTIL="rm -ri" ;;
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esac
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selection=${NNN_SEL:-${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection}
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exit_status=0
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dst_file=$(mktemp "$TMPDIR/.nnnXXXXXX")
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if [ -s "$selection" ]; then
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printf "Rename 'c'urrent / 's'election? "
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read -r resp
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if ! [ "$resp" = "c" ] && ! [ "$resp" = "s" ]; then
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exit 1
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fi
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fi
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if [ "$resp" = "s" ]; then
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arr=$(tr '\0' '\n' < "$selection")
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else
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findcmd="find . ! -name ."
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if [ "$RECURSIVE" -eq 0 ]; then
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findcmd="$findcmd -prune"
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fi
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if [ "$NNN_INCLUDE_HIDDEN" -eq 0 ]; then
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findcmd="$findcmd ! -name \".*\""
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fi
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if [ -z "$NNN_LIST" ]; then
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findcmd="$findcmd -print"
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else
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findcmd="$findcmd -printf "'"'"$NNN_LIST/%P\n"'"'
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fi
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arr=$(eval "$findcmd" | sort)
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fi
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lines=$(printf "%s\n" "$arr" | wc -l)
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width=${#lines}
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printf "%s" "$arr" | awk '{printf("%'"${width}"'d %s\n", NR, $0)}' > "$dst_file"
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items=("~")
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while IFS='' read -r line; do
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if [ -n "$NNN_LIST" ]; then
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line=$(readlink "$line" || printf "%s" "$line")
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fi
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items+=("$line");
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done < <(printf "%s\n" "$arr")
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$EDITOR "$dst_file"
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while read -r num name; do
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if [ -z "$name" ]; then
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if [ -z "$num" ]; then
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continue
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fi
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printf "%s: unable to parse line, aborting\n" "$0"
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exit 1
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fi
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# check if $num is an integer
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if [ ! "$num" -eq "$num" ] 2> /dev/null; then
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printf "%s: unable to parse line, aborting\n" "$0"
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exit 1
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fi
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src=${items[$num]}
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if [ -z "$src" ]; then
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printf "%s: unknown item number %s\n" "$0" "$num" > /dev/stderr
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continue
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elif [ "$name" != "$src" ]; then
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if [ -z "$name" ]; then
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continue
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fi
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if [ ! -e "$src" ] && [ ! -L "$src" ]; then
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printf "%s: %s does not exit\n" "$0" "$src" > /dev/stderr
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unset "items[$num]"
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continue
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fi
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# handle swaps
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if [ -e "$name" ] || [ -L "$name" ]; then
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tmp="$name~"
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c=0
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while [ -e "$tmp" ] || [ -L "$tmp" ]; do
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c=$((c+1))
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tmp="$tmp~$c"
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done
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if mv "$name" "$tmp"; then
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if [ "$VERBOSE" -ne 0 ]; then
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printf "'%s' -> '%s'\n" "$name" "$tmp"
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fi
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else
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printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
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exit_status=1
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fi
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for key in "${!items[@]}"; do
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if [ "${items[$key]}" = "$name" ]; then
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items[$key]="$tmp"
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fi
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done
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fi
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dir=$(dirname "$name")
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if [ ! -d "$dir" ] && ! mkdir -p "$dir"; then
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printf "%s: failed to create directory tree %s\n" "$0" "$dir" > /dev/stderr
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exit_status=1
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elif ! mv -i "$src" "$name"; then
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printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
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exit_status=1
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else
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if [ -d "$name" ]; then
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for key in "${!items[@]}"; do
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items[$key]=$(printf "%s" "${items[$key]}" | sed "s|^$src\(\$\|\/\)|$name\1|")
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done
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if [ "$VERBOSE" -ne 0 ]; then
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printf "'%s' => '%s'\n" "$src" "$name"
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fi
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else
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true
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if [ "$VERBOSE" -ne 0 ]; then
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printf "'%s' -> '%s'\n" "$src" "$name"
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fi
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fi
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fi
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fi
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unset "items[$num]"
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done <"$dst_file"
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unset "items[0]"
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for item in "${items[@]}"; do
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$RM_UTIL "$item"
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done
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rm "$dst_file"
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exit $exit_status
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