various improvements, e.g. random sleeps before and after starting

xwords4/linux/scripts/discon_ok2.sh

@@ -1,5 +1,24 @@
 #!/bin/bash
 
+NGAMES=${NGAMES:-1}
+
+USE_GTK=${USE_GTK:-FALSE}
+
+if [ $USE_GTK = FALSE ]; then
+    PLAT_PARMS="-u -0"
+else
+    PLAT_PARMS="-z 1:10"
+fi
+
+usage() {
+    echo "usage: [env=val *] $0" 1>&2
+    echo " current env variables and their values: " 1>&2
+    for VAR in NGAMES; do
+        echo "$VAR:" $(eval "echo \$${VAR}") 1>&2
+    done
+    exit 0
+}
+
 do_device() {
     GAME=$1
     DEV=$2
@@ -13,14 +32,15 @@ do_device() {
     done
 
     while :; do
+        sleep $((RANDOM%5))
         ./obj_linux_memdbg/xwords -C foo -r edd $OTHERS \
-            -d dict.xwd -f $FILE 2>>$LOG &
+            -d dict.xwd -f $FILE $PLAT_PARMS >/dev/null 2>>$LOG &
         PID=$!
-        sleep $((RANDOM%5+1))
-        kill $PID
+        sleep $((RANDOM%10+10))
+        kill $PID 2>/dev/null
 
         [ $(grep -c 'all remaining tiles' $LOG) -eq $NDEVS ] && break
-        pidof xwrelay || break
+        pidof xwrelay > /dev/null || break
     done
 }
 
@@ -36,6 +56,16 @@ do_game() {
     done
 }
 
-for GAME in $(seq 1 1); do
+while [ -n "$1" ]; do
+    case $1 in
+        *) usage
+            ;;
+    esac
+    shift
+done
+
+for GAME in $(seq 1 $NGAMES); do
     do_game $GAME
 done
+
+wait