Convert batchrename to bash and rename it (#495)

diff --git a/plugins/batchrename b/plugins/.nmv
similarity index 56%
rename from plugins/batchrename
rename to plugins/.nmv
index b9b9a845e2edc9ea613f9db4f05d35ba250ed735..8b080ae2f828ee640302ba34f2aaf01b1737bad5 100755 (executable)
--- a/plugins/batchrename
+++ b/plugins/.nmv
@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 # Description: An almost fully POSIX compliant batch file renamer
 #
@@ -11,7 +11,7 @@
 #    4. Can remove files
 #    5. Switch number pairs to swap filenames
 #
-# Shell: POSIX compliant
+# Shell: bash
 # Author: KlzXS
 
 EDITOR="${EDITOR:-vi}"
@@ -39,9 +39,12 @@ else
 fi
 
 printf "%s" "$arr" | awk '{print NR " " $0}' > "$dst_file"
-arr=$(printf "%s" "$arr" | sed "s/'/'\\\\''/g;s/^\(.*\)$/'\1'/" | tr '\n' ' ')
 
-eval "set -- $arr"
+items=("~")
+while IFS='' read -r line; do
+       items+=("$line");
+done < <(printf "%s\n" "$arr")
+
 $EDITOR "$dst_file"
 
 while read -r num name; do
@@ -60,7 +63,7 @@ while read -r num name; do
                exit 1
        fi
 
-       src=$(eval printf "%s" "\"\${$num}\"")
+       src=${items[$num]}
 
        if [ -z "$src" ]; then
                printf "%s: unknown item number %s\n" "$0" "$num" > /dev/stderr
@@ -73,24 +76,7 @@ while read -r num name; do
                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 -- $new_args"
+                       unset "items[$num]"
                        continue
                fi
 
@@ -110,26 +96,12 @@ while read -r num name; do
                                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 $item"
+                       
+                       for key in "${!items[@]}"; do
+                               if [ "${items[$key]}" = "$name" ]; then
+                                       items[$key]="$tmp"
                                fi
-                               c=$((c+1))
                        done
-
-                       eval "set -- $new_args"
                fi
 
                dir=$(dirname "$name")
@@ -140,55 +112,24 @@ while read -r num name; do
                        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))
+                               for key in "${!items[@]}"; do
+                                       items[$key]=$(printf "%s" "${items[$key]}" | sed "s|^$src\(\$\|\/\)|$name\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/^\(.*\)$/'\1'/")
+                               printf "'%s' -> '%s'\n" "$src" "$name"
                        fi
-                       new_args="$new_args $tmp"
                fi
-               c=$((c+1))
-       done
+       fi
 
-       eval "set -- $new_args"
+       unset "items[$num]"
 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))
+unset "items[0]"
+for item in "${items[@]}"; do
+       rm -ri "$item"
 done
 
 rm "$dst_file"