time calculation

liux99 · #1 (**permalink**) 08-18-2005

Hi,

I have start time as a string like 06:04:01 and end time like 06:05:01
i need do a simple math to get the duration. What is the best way
to do this in Korn Shell scripting? Thanks

reborg · #2 (**permalink**) 08-18-2005

Convert everything to seconds and subtract

Code:

echo 06:04:01 | awk -F: '{ print $1*360+$2*60+$3}'

Ygor · #3 (**permalink**) 08-18-2005

Typo..

Code:

echo 06:04:01 | awk -F: '{ print $1*3600+$2*60+$3}'

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