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-rw-r--r--init_functions2
1 files changed, 1 insertions, 1 deletions
diff --git a/init_functions b/init_functions
index 2bd07bd..bdc6cc9 100644
--- a/init_functions
+++ b/init_functions
@@ -10,7 +10,7 @@ err () {
poll_device() {
local device=$1 seconds=${2//[!0-9]}
- [ -z "$seconds" ] && seconds=10
+ [ "${seconds:-x}" = x ] && seconds=10
deciseconds=$(( seconds * 10 ))
# tenths of a second