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ksh problem

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# 1  
Old 03-21-2002
ksh problem

when declaring a variable e.g.
export DAYS

what checking / how can i check that the value assigned only contains numeric characters or integers ?
# 2  
Old 03-21-2002

typeset -i VARIABLE=value

That will guarantee that it is an integer. Trying to assign a string to the variable will result in the value being set to zero.
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