From c215c5de8087e1cc352f4f7f0d187231ac367a8c Mon Sep 17 00:00:00 2001
From: KlzXS <azszwymmvqdi@yahoo.com>
Date: Sun, 15 Mar 2020 15:19:05 +0100
Subject: Convert batchrename to bash and rename it (#495)

---
 plugins/.nmv        | 136 ++++++++++++++++++++++++++++++++++++
 plugins/batchrename | 195 ----------------------------------------------------
 2 files changed, 136 insertions(+), 195 deletions(-)
 create mode 100755 plugins/.nmv
 delete mode 100755 plugins/batchrename

diff --git a/plugins/.nmv b/plugins/.nmv
new file mode 100755
index 0000000..8b080ae
--- /dev/null
+++ b/plugins/.nmv
@@ -0,0 +1,136 @@
+#!/usr/bin/env bash
+
+# Description: An almost fully POSIX compliant batch file renamer
+#
+# Note: nnn auto-detects and invokes this plugin if available
+#
+# Capabilities:
+#    1. Basic file rename
+#    2. Detects order change
+#    3. Can move files
+#    4. Can remove files
+#    5. Switch number pairs to swap filenames
+#
+# Shell: bash
+# Author: KlzXS
+
+EDITOR="${EDITOR:-vi}"
+TMPDIR="${TMPDIR:-/tmp}"
+INCLUDE_HIDDEN="${INCLUDE_HIDDEN:-0}"
+
+selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
+exit_status=0
+
+dst_file=$(mktemp "$TMPDIR/.nnnXXXXXX")
+
+if [ -s "$selection" ]; then
+	printf "Rename 'c'urrent / 's'election? "
+	read -r resp
+fi
+
+if [ "$resp" = "s" ]; then
+	arr=$(tr '\0' '\n' < "$selection")
+else
+	if [ "$INCLUDE_HIDDEN" -eq 0 ]; then
+		arr=$(find . ! -name . -prune ! -name ".*" -print | sort)
+	else
+		arr=$(find . ! -name . -prune -print | sort)
+	fi
+fi
+
+printf "%s" "$arr" | awk '{print NR " " $0}' > "$dst_file"
+
+items=("~")
+while IFS='' read -r line; do
+	items+=("$line");
+done < <(printf "%s\n" "$arr")
+
+$EDITOR "$dst_file"
+
+while read -r num name; do
+	if [ -z "$name" ]; then
+		if [ -z "$num" ]; then
+			continue
+		fi
+
+		printf "%s: unable to parse line, aborting\n" "$0"
+		exit 1
+	fi
+
+	# check if $num is an integer
+	if [ ! "$num" -eq "$num" ] 2> /dev/null; then
+		printf "%s: unable to parse line, aborting\n" "$0"
+		exit 1
+	fi
+
+	src=${items[$num]}
+
+	if [ -z "$src" ]; then
+		printf "%s: unknown item number %s\n" "$0" "$num" > /dev/stderr
+		continue
+	elif [ "$name" != "$src" ]; then
+		if [ -z "$name" ]; then
+			continue
+		fi
+
+		if [ ! -e "$src" ] && [ ! -L "$src" ]; then
+			printf "%s: %s does not exit\n" "$0" "$src" > /dev/stderr
+
+			unset "items[$num]"
+			continue
+		fi
+
+		# handle swaps
+		if [ -e "$name" ] || [ -L "$name" ]; then
+			tmp="$name~"
+			c=0
+
+			while [ -e "$tmp" ] || [ -L "$tmp" ]; do
+				c=$((c+1))
+				tmp="$tmp~$c"
+			done
+
+			if mv "$name" "$tmp"; then
+				printf "'%s' -> '%s'\n" "$name" "$tmp"
+			else
+				printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
+				exit_status=1
+			fi
+			
+			for key in "${!items[@]}"; do
+				if [ "${items[$key]}" = "$name" ]; then
+					items[$key]="$tmp"
+				fi
+			done
+		fi
+
+		dir=$(dirname "$name")
+		if [ ! -d "$dir" ] && ! mkdir -p "$dir"; then
+			printf "%s: failed to create directory tree %s\n" "$0" "$dir" > /dev/stderr
+			exit_status=1
+		elif ! mv "$src" "$name"; then
+			printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
+			exit_status=1
+		else
+			if [ -d "$name" ]; then
+				for key in "${!items[@]}"; do
+					items[$key]=$(printf "%s" "${items[$key]}" | sed "s|^$src\(\$\|\/\)|$name\1|")
+				done
+				
+				printf "'%s' => '%s'\n" "$src" "$name"
+			else
+				printf "'%s' -> '%s'\n" "$src" "$name"
+			fi
+		fi
+	fi
+
+	unset "items[$num]"
+done <"$dst_file"
+
+unset "items[0]"
+for item in "${items[@]}"; do
+	rm -ri "$item"
+done
+
+rm "$dst_file"
+exit $exit_status
diff --git a/plugins/batchrename b/plugins/batchrename
deleted file mode 100755
index b9b9a84..0000000
--- a/plugins/batchrename
+++ /dev/null
@@ -1,195 +0,0 @@
-#!/usr/bin/env sh
-
-# Description: An almost fully POSIX compliant batch file renamer
-#
-# Note: nnn auto-detects and invokes this plugin if available
-#
-# Capabilities:
-#    1. Basic file rename
-#    2. Detects order change
-#    3. Can move files
-#    4. Can remove files
-#    5. Switch number pairs to swap filenames
-#
-# Shell: POSIX compliant
-# Author: KlzXS
-
-EDITOR="${EDITOR:-vi}"
-TMPDIR="${TMPDIR:-/tmp}"
-INCLUDE_HIDDEN="${INCLUDE_HIDDEN:-0}"
-
-selection=${XDG_CONFIG_HOME:-$HOME/.config}/nnn/.selection
-exit_status=0
-
-dst_file=$(mktemp "$TMPDIR/.nnnXXXXXX")
-
-if [ -s "$selection" ]; then
-	printf "Rename 'c'urrent / 's'election? "
-	read -r resp
-fi
-
-if [ "$resp" = "s" ]; then
-	arr=$(tr '\0' '\n' < "$selection")
-else
-	if [ "$INCLUDE_HIDDEN" -eq 0 ]; then
-		arr=$(find . ! -name . -prune ! -name ".*" -print | sort)
-	else
-		arr=$(find . ! -name . -prune -print | sort)
-	fi
-fi
-
-printf "%s" "$arr" | awk '{print NR " " $0}' > "$dst_file"
-arr=$(printf "%s" "$arr" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/" | tr '\n' ' ')
-
-eval "set -- $arr"
-$EDITOR "$dst_file"
-
-while read -r num name; do
-	if [ -z "$name" ]; then
-		if [ -z "$num" ]; then
-			continue
-		fi
-
-		printf "%s: unable to parse line, aborting\n" "$0"
-		exit 1
-	fi
-
-	# check if $num is an integer
-	if [ ! "$num" -eq "$num" ] 2> /dev/null; then
-		printf "%s: unable to parse line, aborting\n" "$0"
-		exit 1
-	fi
-
-	src=$(eval printf "%s" "\"\${$num}\"")
-
-	if [ -z "$src" ]; then
-		printf "%s: unknown item number %s\n" "$0" "$num" > /dev/stderr
-		continue
-	elif [ "$name" != "$src" ]; then
-		if [ -z "$name" ]; then
-			continue
-		fi
-
-		if [ ! -e "$src" ] && [ ! -L "$src" ]; then
-			printf "%s: %s does not exit\n" "$0" "$src" > /dev/stderr
-
-			c=1
-			new_args=""
-			while [ $c -le $# ]; do
-				tmp=$(eval printf "%s" "\"\${$c}\"")
-				if [ "$c" -eq "$num" ]; then
-					new_args="$new_args ''"
-				else
-					if [ -z "$tmp" ]; then
-						tmp="''"
-					else
-						tmp=$(printf "%s" "$tmp" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
-					fi
-					new_args="$new_args $tmp"
-				fi
-				c=$((c+1))
-			done
-
-			eval "set -- $new_args"
-			continue
-		fi
-
-		# handle swaps
-		if [ -e "$name" ] || [ -L "$name" ]; then
-			tmp="$name~"
-			c=0
-
-			while [ -e "$tmp" ] || [ -L "$tmp" ]; do
-				c=$((c+1))
-				tmp="$tmp~$c"
-			done
-
-			if mv "$name" "$tmp"; then
-				printf "'%s' -> '%s'\n" "$name" "$tmp"
-			else
-				printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
-				exit_status=1
-			fi
-
-			c=1
-			new_args=""
-			while [ $c -le $# ]; do
-				item=$(eval printf "%s" "\"\${$c}\"")
-				if [ "$item" = "$name" ]; then
-					item=$(printf "%s" "$tmp" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
-					new_args="$new_args $item"
-				else
-					if [ -z "$item" ]; then
-						item="''"
-					else
-						item=$(printf "%s" "$item" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
-					fi
-					new_args="$new_args $item"
-				fi
-				c=$((c+1))
-			done
-
-			eval "set -- $new_args"
-		fi
-
-		dir=$(dirname "$name")
-		if [ ! -d "$dir" ] && ! mkdir -p "$dir"; then
-			printf "%s: failed to create directory tree %s\n" "$0" "$dir" > /dev/stderr
-			exit_status=1
-		elif ! mv "$src" "$name"; then
-			printf "%s: failed to rename %s to %s: %s\n" "$0" "$name" "$tmp" "$!" > /dev/stderr
-			exit_status=1
-		else
-			printf "'%s' -> '%s'\n" "$src" "$name"
-			if [ -d "$name" ]; then
-				c=1
-				new_args=""
-				while [ $c -le $# ]; do
-					tmp=$(eval printf "\"\${$c}\"")
-					if [ -z "$tmp" ]; then
-						tmp="''"
-					else
-						tmp=$(printf "%s" "$tmp" | sed "s|^$src\(\$\|\/\)|$name\1|;s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
-					fi
-					new_args="$new_args $tmp"
-					c=$((c+1))
-				done
-
-				eval "set -- $new_args"
-				printf "'%s' => '%s'\n" "$src" "$name"
-			fi
-		fi
-	fi
-
-	c=1
-	new_args=""
-	while [ $c -le $# ]; do
-		tmp=$(eval printf "%s" "\"\${$c}\"")
-		if [ "$c" -eq "$num" ]; then
-			new_args="$new_args ''"
-		else
-			if [ -z "$tmp" ]; then
-				tmp="''"
-			else
-				tmp=$(printf "%s" "$tmp" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/")
-			fi
-			new_args="$new_args $tmp"
-		fi
-		c=$((c+1))
-	done
-
-	eval "set -- $new_args"
-done <"$dst_file"
-
-c=1
-new_args=""
-while [ $c -le $# ]; do
-	tmp=$(eval printf "%s" "\"\${$c}\"")
-	if [ -n "$tmp" ]; then
-		rm -ri "$tmp"
-	fi
-	c=$((c+1))
-done
-
-rm "$dst_file"
-exit $exit_status
-- 
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