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troubleshooting Question

Mod calculations and "bad number "

Avatar of TwentyFourSeven
TwentyFourSeven asked on
Shell Scripting
9 Comments1 Solution427 ViewsLast Modified:
MINUTE=`date +"%M"`
MINUTE_MOD=$((MINUTE%15))
]

Most of the time, the above works nicely.

Until you get to the start of the hour.....

08: bad number `08'
09: bad number `09'


Where am I going wrong ?