spinit.in, distinguish between shared and normal mode

src/spinit.in

@@ -1,8 +1,7 @@
 * Standard ngspice init file
 alias exit quit
 alias acct rusage all
-set x11lineararcs
-*setseed 12
+*set rndseed=12
 ** ascii rawfile **
 *set filetype=ascii
 ** frontend debug output **
@@ -12,17 +11,19 @@ set x11lineararcs
 ** set the number of threads in openmp
 ** default (if compiled with --enable-openmp) is: 2
 *set num_threads=4
-set interactive
+
+if $?sharedmode
+  unset interactive
+  unset moremode
+else
+  set interactive
+  set x11lineararcs
+end
 
 strcmp __flag $program "ngspice"
 if $__flag = 0
 
-* For SPICE2 POLYs, edit the below line to point to the location
-* of your codemodel.
-
 @XSPICEINIT@ codemodel @pkglibdir@/spice2poly.cm
-
-* The other codemodels
 @XSPICEINIT@ codemodel @pkglibdir@/analog.cm
 @XSPICEINIT@ codemodel @pkglibdir@/digital.cm
 @XSPICEINIT@ codemodel @pkglibdir@/xtradev.cm