Import: extend help function by defaults

importexp

@@ -2,16 +2,19 @@
 
 BINDIR=$(dirname $0)
 
+#% help
 BUILD_SUBDIR=
 IGNORE_ERRORS=false
 HELP=false
 INTAKE_ONLY=false
 SLURM_JOB_CPUS_PER_NODE=256
 DEBUG=false
+#% endhelp
 
 while getopts b:B:d:D:e:Ehis:t:c:x OPTOPT
 do
     case $OPTOPT in
+        #% help
         b) BUILD_SUBDIR=$OPTARG ;;
         B) BUILD_DIR=$OPTARG ;;
         d) DATA_BASE_DIR=$OPTARG ;;
@@ -24,6 +27,7 @@ do
         t) EXP_TYPE=$OPTARG ;;
         c) SLURM_JOB_CPUS_PER_NODE=$OPTARG ;;
         x) DEBUG=true ;;
+        #% endhelp
         *) exit 1;;
     esac
 done
@@ -31,7 +35,7 @@ shift $((OPTIND -1))
 
 if $HELP
 then
-    awk '/case \$OPTOPT/,/esac/ {print}' $0
+    awk '/^[ \t]*#%[ \t]*endhelp[ \t]*$/ {PRINT=0}; PRINT {print}; /^[ \t]*#%[ \t]*help[ \t]*$/ {PRINT=1}' $0
     exit
 fi