max value - Shell Programming and Scripting

Nayanajith · #1 11-28-2005

Hi All,

I want to choose the maximum value from a column values.

eg -

234
23
567
43
2456
5
678
8978

from thses values how to choose the max value ?

thanks.
roger.

vgersh99 · #2 11-28-2005

multiple ways given the input file file.txt:

Code:

sort -r file.txt | tail -1
nawk '{if ($0 > max) max=$0}END{print max}' file.txt

matrixmadhan · #3 11-29-2005

Quote:

Originally Posted by vgersh99

multiple ways given the input file file.txt:

Code:

sort -r file.txt | tail -1

i am afraid this would fetch only the minimum value from the list (but the req was for maximum value)

try,

Code:

sort -n file.txt | tail -1

vgersh99 · #4 11-29-2005

you're right - must have been a long day.
thanks for the correction.

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