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fix problems with undeclared variables that older bash didn't mind

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This commit is contained in:
Eric House 2014-09-25 21:45:44 -07:00
parent 43bd3c018a
commit 92292ad1fe
1 changed files with 4 additions and 4 deletions
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8
xwords4/linux/scripts/discon_ok2.sh
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@ -41,8 +41,8 @@ declare -A FILES
declare -A LOGS
declare -A MINEND
declare -A ROOM_PIDS
declare -a APPS_OLD
declare -a DICTS
declare -a APPS_OLD=
declare -a DICTS=
declare -A CHECKED_ROOMS
function cleanup() {
@ -353,7 +353,7 @@ maybe_resign() {
try_upgrade() {
KEY=$1
if [ xx = "${APPS_OLD+xx}" ]; then
if [ $APP_NEW != ${APPS[$KEY]} ]; then
if [ $APP_NEW != "${APPS[$KEY]}" ]; then
# one in five chance of upgrading
if [ 0 -eq $((RANDOM % UPGRADE_ODDS)) ]; then
APPS[$KEY]=$APP_NEW
@ -665,7 +665,7 @@ done
# Assign defaults
#[ 0 -eq ${#DICTS[@]} ] && DICTS=(dict.xwd)
[ xx = "${DICTS+xx}" ] || DICTS=(dict.xwd)
[ 0 -eq ${#DICTS} ] && DICTS=(dict.xwd)
[ -z "$APP_NEW" ] && APP_NEW=./obj_linux_memdbg/xwords
[ -z "$MINDEVS" ] && MINDEVS=2
[ -z "$MAXDEVS" ] && MAXDEVS=4