+ if ! { [[ $# -eq 3 ]] || [[ $# -eq 4 ]]; }; then
+ showUsage;
+ die "ERROR:Invalid number of args:$#"; fi;
+
+ # Check env vars
+ if ! checkInt "$BKSHUF_PARAM_LINEC"; then
+ die "FATAL:Not an int:BKSHUF_PARAM_LINEC:$BKSHUF_PARAM_LINEC"; fi;
+ if ! checkInt "$BKSHUF_PARAM_GSIZE"; then
+ die "FATAL:Not an int:BKSHUF_PARAM_LINEC:$BKSHUF_PARAM_GSIZE"; fi;
+