[CS-FSLUG] Shell Scripting - one liners

[Brian Derr]

On Fri, Jul 30, 2004 at 01:11:10PM -0400, Frank Bax wrote:
> I remember there were contests at university to solve coding problems with 
> one-liners - some of solutions 'wrapped' to a dozen lines.  I remember one 
> question was a one-line formula for some date-related question that had to 
> work for leap years (year divisible by 4 and 400, but not 100).

export year=""; read -p "Year: " year; if [[ `expr $year % 400` -eq 0 ]]
|| [[ `expr $year % 4` -eq 0 ]] && [[ `expr $year % 100` -ne 0 ]]; then
echo "leap year..."; else echo "not leap year..."; fi

How about that?  :-)

Brian

-- 
The just man walketh in his integrity:
his children are blessed after him.  -- Proverbs 20:7
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