tgranular2img: fix color field default value - granular - granular dynamics simulation
  HTML git clone git://src.adamsgaard.dk/granular
   DIR Log
   DIR Files
   DIR Refs
   DIR README
   DIR LICENSE
       ---
   DIR commit daa1b5a133bea3df774745dbd50f42cd41336c58
   DIR parent a099bd7de3cb5145572c4be296b12df240c594d6
  HTML Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Thu, 22 Apr 2021 21:33:34 +0200
       
       granular2img: fix color field default value
       
       Diffstat:
         M granular2img                        |       2 +-
       
       1 file changed, 1 insertion(+), 1 deletion(-)
       ---
   DIR diff --git a/granular2img b/granular2img
       t@@ -4,7 +4,7 @@ usage() {
                printf 'usage: %s [-f field] [-h] [-l label] [-t term]\n' "${0##*/}" 1>&2
        }
        
       -field="$1"
       +field='$1'
        label="diameter [m]"
        term="pdf"
        while getopts 'f:hl:t:' arg; do