Purpose
Pause execution for specified time interval and print out
a dot every second to indicate that we are still alive
Usage
sleepdots <n>
Arguments
n = number of seconds to sleep
Output
Dots writen to stdout
Restrictions
None
Exit values
0 = normal completion
1 = wrong number of arguments
Example
1) Sleep for 60 seconds and print out dots every second
sleepdots 60