Revised sed command for listing presets.

wled

@@ -136,21 +136,27 @@ for wled_host; do
             printf "loading ...\r"
             active_ps=$(active_preset "$wled_host")
             curl_fetch "http://$wled_host/presets.json" | \
-                # Split into lines - one line per preset.
-                sed --sandbox 's/"1\?[0-9]"[[:space:]]*:/\n&/g' | \
-                # Extract number and name of every preset. Right-align numbers.
-                # Drop everything else.
-                sed --sandbox -n \
-                    '/^"\(1\?[0-9]\)"[[:space:]]*:.*"n"[[:space:]]*:[[:space:]]*"\([[:alnum:] _-]*\)".*$/{
+                # Insert newlines in front of every preset.
+                # Extract number and name of every preset.
+                # Match and mark active preset.
+                # Right-align numbers.
+                # Print up to next newline, delete up to next newline.
+                # Prepend description.
+                sed --sandbox -n '
+                    s/"1\?[0-9]"[[:space:]]*:/\n&/g
+                    :loop
+                    /^"\(1\?[0-9]\)"[[:space:]]*:[^\n]*"n"[[:space:]]*:[[:space:]]*"\([[:alnum:] _-]*\)"[^\n]*/{
                         s//\1: \2/
+                        s/^'"$active_ps"':[^\n]*/& */
                         s/^[0-9]:/ &/
-                        p
-                    }' | \
+                        P
+                    }
+                    s/^[^\n]*\n//
+                    t loop
+                    i\
+'"Presets on $wled_host:" | \
                 # Sort.
-                sort -b -n | \
-                # Prepend description and mark active preset.
-                sed --sandbox -e "1i\\Presets on $wled_host:" \
-                              -e "s/^ \?$active_ps:.*/& */"
+                sort -n -b -t : -k 1,1
         ;;
         "") # Missing command.
             echo "Error: missing command." >&2