i would go for the while loop : 
$input_var = 0 ; # to get the loop executed at least once

while( ($input_var < 1) && ($input_var > 10) )
{
print "please input the number ... : ";
$input_var = <STDIN>;
}

# do your stuff with $input_var
# output result

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In reply to Re: restart program on wrong user input. by b4e
in thread restart program on wrong user input. by BioGeek

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