Syntax colorization when opening in less

.bashrc

@@ -105,6 +105,9 @@ alias tail='tail -n $((${LINES:-`tput lines 2>/dev/null||echo -n 12`} - 2))'
 # + support ANSI colors
 export LESS="-FX -R"
 
+# Syntax coloring with pygments in less, when opening source files
+export LESSOPEN='|~/code/dotfiles/lessfilter.sh %s'
+
 # nautilus file manager in browser mode without destkop management
 alias nautile='nautilus --no-desktop --browser'
 

lessfilter.sh

@@ -0,0 +1,26 @@
+#!/bin/sh
+
+# Use Pygments to get syntax colorization in less
+# export LESS=" -R"
+# export LESSOPEN='|~/code/dotfiles/lessfilter %s'
+
+case "$1" in
+    *.awk|*.groff|*.java|*.js|*.m4|*.php|*.pl|*.pm|*.pod|*.sh|\
+    *.ad[asb]|*.asm|*.inc|*.[ch]|*.[ch]pp|*.[ch]xx|*.cc|*.hh|\
+    *.lsp|*.l|*.pas|*.p|*.xml|*.xps|*.xsl|*.axp|*.ppd|*.pov|\
+    *.diff|*.patch|*.py|*.rb|*.sql|*.ebuild|*.eclass)
+        pygmentize -f 256 "$1";;
+    .bashrc|.bash_aliases|.bash_environment)
+        pygmentize -f 256 -l sh "$1"
+        ;;
+    *)
+        grep "#\!/bin/bash" "$1" > /dev/null
+        if [[ "$?" -eq "0" ]]; then
+            pygmentize -f 256 -l sh "$1"
+        else
+            exit 1
+        fi
+esac
+
+exit 0
+