add nvimpager as preferred colorizer

ChangeLog

@@ -1,6 +1,8 @@
 ****************************************************************************
 # ChangeLog for lesspipe.sh						   #
 ****************************************************************************
+- add nvimpager as (preferred) colorizer 
+- if installed use nvim instead of vim for coloring with vimcolor
 - prefer bat styles and themes from ENV or command line over config file
 Version 2.13 May 10 2024
 - added support for appimage and snap files

README.md

@@ -167,7 +167,7 @@ the author by email.
  **LESS** can be used to switch on colored less output (should contain -R).
 
  **LESSCOLORIZER** can be set to prefer a highlighting program from the following
- choices (`bat` `batcat` `pygmentize` `source-highlight` `vimcolor` `code2color`).
+ choices (`nvimpager` `bat` `batcat` `pygmentize` `source-highlight` `vimcolor` `code2color`).
  Otherwise the first program in that list that is installed will be used.
 
 ## 3. Required programs
@@ -284,8 +284,9 @@ original html file contents, two colons are required in this case.
 ```
 #### 5.1.1 Syntax highlighting choices
  The filter is able to do syntax highlighting for a wide variety of file
- types. If installed, `bat`/`batcat` is used for coloring the output. If
- not, `pygmentize`, `source-highlight`, `code2color` and `vimcolor` are
+ types. If installed, `nvimpager` is used for coloring the output. If
+ not, `bat`/`batcat`, `pygmentize`, `source-highlight`, `code2color`
+ and `vimcolor` are
  tried. Among these colorizers a preferred one can be forced for coloring
  by setting the ENV variable **LESSCOLORIZER** to the name of the colorizer.
  For `pygmentize` and `bat/batcat` a restricted set of options can be added:
@@ -313,7 +314,7 @@ batcat --list-languages
 pygmentize -L lexers
 source-highlight --lang-list
 code2color -h
-vimcolor -L
+vimcolor -L (both for vimcolor and nvimpager)
 ```
 
 ### 5.2 Colored Directory listing
@@ -455,6 +456,7 @@ STDOUT and the commands executed to STDERR.
 - sxw2txt              https://vinc17.net/software/sxw2txt (2010)
 - dtc                  https://git.kernel.org/cgit/utils/dtc/dtc.git (2023)
 - xmq                  https://github.com/libxmq/xmq/releases/latest (2024)
+- nvimpager            https://github.com/lucc/nvimpager (2025)
 
 ### 12.2 References
 - [1] http://www.greenwoodsoftware.com/less/	(less)

lesspipe.1

@@ -96,9 +96,9 @@ file name. To get the original html file contents, two colons are
 required in this case.
 .SH OUTPUT COLORIZATION
 The filter is able to do syntax highlighting for a wide variety of
-file types. If installed, \fIbat\fP/\fIbatcat\fP is used for
-coloring the output. If not, \fIpygmentize\fP, \fIsource-highlight\fP,
-\fIvimcolor\fP and \fIcode2color\fP are tried in turn.
+file types. If installed, \fInvimpager\fP is used for
+coloring the output. If not, \fIbat\fP/\fIbatcat\fP, \fIpygmentize\fP,
+\fIsource-highlight\fP, \fIvimcolor\fP and \fIcode2color\fP are tried in turn.
 For bat/batcat the theme is set to \fIansi\fP and the style is set to
 \fIplain\fP which comes closer to the unfiltered output of \fBless\fP.
 These settings can be changed in \fI~/.config/bat/config\fP or by the

lesspipe.sh

@@ -429,7 +429,7 @@ has_colorizer () {
 	[[ $2 == plain || -z $2 ]] && return
 	prog=${LESSCOLORIZER%% *}
 
-	for i in bat batcat pygmentize source-highlight vimcolor code2color ; do
+	for i in nvimpager bat batcat pygmentize source-highlight vimcolor code2color ; do
 		[[ -z $prog || $prog == "$i" ]] && has_cmd "$i" && prog=$i
 	done
 	[[ "$2" =~ ^[0-9]*$ || -z "$2" ]] || lang=$2
@@ -470,6 +470,9 @@ has_colorizer () {
 		code2color|vimcolor)
 			opt=("$1")
 			[[ -n "$3" ]] && opt=(-l "$3" "$1") ;;
+		nvimpager)
+			opt=(-c "$1")
+			[[ -n "$3" ]] && opt=(-c "$1" -c "set filetype=$3") ;;
 		*)
 			return ;;
 	esac