Allow more EPICS versions and do better guessing on short numbers like 3.14 or 7

externalLinks

@@ -4,8 +4,8 @@
 
 version () {
     echo '$Author: zimoch $' >&2
-    echo '$Date: 2018/07/05 15:09:08 $' >&2
-    echo '$Revision: 1.22 $' >&2
+    echo '$Date: 2018/07/05 15:37:55 $' >&2
+    echo '$Revision: 1.23 $' >&2
     echo '$Source: /cvs/G/EPICS/App/scripts/externalLinks,v $' >&2
     exit 1
 }
@@ -60,11 +60,17 @@ do
         ( -f* ) FIND+=" ${1#-f}" ;;
         ( -I ) INCLUDES+=" -I $2"; shift ;;
         ( -I* ) INCLUDES+=" -I ${1#-I}" ;;
-        ( ?(-)-3.13 ) EPICS=3.13.10 ;;
-        ( ?(-)-3.14 ) EPICS=3.14.12 ;;
-        ( ?(-)-3.* ) EPICS=${1##*-} ;;
+        ( ?(-)-[1-9]* )
+            VERSIONS=$(ls -1dvr /usr/local/epics/base$1*([.0-9]) | head -1)
+            EPICS=${VERSIONS##*-}
+            if [ "$EPICS" = "." ]
+            then
+                echo "No EPICS version ${1##*-} found" >&2
+                exit 1;
+            fi
+            ;;
         ( -- | - ) shift; break ;;
-        ( -* ) echo "unknown option $1 ignored" >&2 ;;
+        ( -* ) echo "Unknown option $1 ignored" >&2 ;;
         ( * ) break ;;
     esac
     shift
@@ -75,6 +81,8 @@ then
     usage
 fi
 
+echo "Info: Using EPICS version $EPICS" >&2
+
 function expandFile () {
     if [ ! -r $1 ]
     then
@@ -189,7 +197,6 @@ function expandFile () {
     -v epicsmodules=${EPICS_MODULES:=/ioc/modules} \
 '   BEGIN {
         epics3_14ver=gensub(/^3\.14\./,"",1,epics)+0
-        printf ("Info: Using EPICS version %s (see -? how to change)\n", epics) > "/dev/stderr"
         split(findrecords, find, " ");
     }
     {line ++}