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`$(( ))` will convert uninitialized variable to "0". If we want to
use "-n" to check the string length, it's necessary to make sure the
converted variable is not empty.
Fixes:
|
||
|---|---|---|
| .. | ||
| caldata.sh | ||
| ipv4.sh | ||
| leds.sh | ||
| migrations.sh | ||
| network.sh | ||
| preinit.sh | ||
| service.sh | ||
| system.sh | ||
| uci-defaults.sh | ||