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From: valdemirs on 6 Jun 2006 21:50
How could I get the greatest number in a file ? Example:

cat file1

55
82
34
18
61

# cat file1 | ./gn

82


Thanks !

From: Glenn Jackman on 6 Jun 2006 23:03
At 2006-06-06 09:50PM, valdemirs(a)gmail.com <valdemirs(a)gmail.com> wrote:
> How could I get the greatest number in a file ? Example:
>
> cat file1
>
> 55
> 82
> 34
> 18
> 61
>
> # cat file1 | ./gn

sort -n file1 | tail -n 1


--
Glenn Jackman
Ulterior Designer
From: Ed Morton on 6 Jun 2006 23:06
valdemirs(a)gmail.com wrote:
> How could I get the greatest number in a file ? Example:
>
> cat file1
>
> 55
> 82
> 34
> 18
> 61
>
> # cat file1 | ./gn
>
> 82
>
>
> Thanks !
>

$ cat file
55
82
34
18
61
$ sort -rn file | head -1
82
$ awk '$0+0>max{max=$0}END{print max}' file
82

Regards,

Ed.
From: Chris F.A. Johnson on 6 Jun 2006 23:33
On 2006-06-07, valdemirs(a)gmail.com wrote:
> How could I get the greatest number in a file ? Example:
>
> cat file1
>
> 55
> 82
> 34
> 18
> 61
>
> # cat file1 | ./gn
>
> 82

sort -rn file1 | { read n; echo $n; }

Or:

awk '$1 > max { max = $1 } END { print max }' file1

--
Chris F.A. Johnson, author <http://cfaj.freeshell.org>
Shell Scripting Recipes: A Problem-Solution Approach (2005, Apress)
===== My code in this post, if any, assumes the POSIX locale
===== and is released under the GNU General Public Licence
From: John W. Krahn on 7 Jun 2006 20:35
valdemirs(a)gmail.com wrote:
> How could I get the greatest number in a file ? Example:
>
> cat file1
>
> 55
> 82
> 34
> 18
> 61
>
> # cat file1 | ./gn
>
> 82

john(a)d154-20-154-176:~> echo "55
82
34
18
61" | perl -lne'$max = $_ if $max < $_}{print $max'
82



John
--
use Perl;
program
fulfillment
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