Plugin improvements (#531)

* Added padding for numbers in .nmv

* Add skim as an option in fzopen

* Remove unnecessary eval

Thanks @leovilok!

Co-Authored-By: lvgx <l@vgx.fr>

* Added note about whitespace

Co-authored-by: lvgx <l@vgx.fr>

plugins/.nmv

@@ -3,6 +3,8 @@
 # Description: An almost fully POSIX compliant batch file renamer
 #
 # Note: nnn auto-detects and invokes this plugin if available
+#       Whitespace is used as delimiter for read.
+#       The plugin doesn't support filenames with leading or trailing whitespace
 #
 # Capabilities:
 #    1. Basic file rename
@@ -43,7 +45,10 @@ else
 	fi
 fi
 
-printf "%s" "$arr" | awk '{print NR " " $0}' > "$dst_file"
+lines=$(printf "%s\n" "$arr" | wc -l)
+width=${#lines}
+
+printf "%s" "$arr" | awk '{printf("%'"${width}"'d %s\n", NR, $0)}' > "$dst_file"
 
 items=("~")
 while IFS='' read -r line; do

plugins/fzopen

@@ -17,6 +17,8 @@ if which fzf >/dev/null 2>&1; then
     # entry=$(find . -type f 2>/dev/null | fzf --delimiter / --with-nth=-1 --tiebreak=begin --info=hidden)
 elif which fzy >/dev/null 2>&1; then
     entry=$(find . -type f 2>/dev/null | fzy)
+elif which sk >/dev/null 2>&1; then
+	entry=$(find . -type f 2>/dev/null | sk)
 else
     exit 1
 fi