- check if less would parse escape sequences as colors, either by

  LESS environment variable having -?[rR] (note: doesn't have to be separate
	word, there might be false positive test results), or
  less itself having -[rR] switch (note2: only before first non-option
	argument, so some false positives possible too)
  Skip highlight(ing) when it wouldn't interpret them.

Changed files:
    lesspipe.sh -> 1.39

diff --git a/lesspipe.sh b/lesspipe.sh
index db943abf9d3437d46df21580ae6bac0a41e23cf0..8dbbddd90750b9dcc54c8d7f24c4ba4286835853 100644 (file)
--- a/lesspipe.sh
+++ b/lesspipe.sh
@@ -82,7 +82,8 @@ lesspipe() {
                xterm|xterm-color)      output=xterm256;;
                *)                      output=ansi;;
           esac
-               run-mailcap "$1" || highlight --$output --style=darkblue "$1"
+               run-mailcap "$1" || \
+               { echo $LESS | grep -qi r || ps -p `ps -p $PPID -oppid=` -oargs= | grep -qiw -- -r && highlight --$output --style=darkblue "$1"; }
        # Check to see if binary, if so -- view with 'strings'
        # FILE=$(file -L "$1")
        esac