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Thanks pludi, my ksh was updated to ksh-20080202-2.el5 from a 2006 version. Now my old scripts are all crashing with this. The older version was more flexible, I think.

I have

n=23

then I do

nan=`grep -c -i 'NaN' file`

so that nan is a variable with the number of lines with the field "NaN" in file. Then I do

(( n = n - nan ))

and when nan=0,...

Thanks! I just wanted to understand...

Hello,

I would like to understand this... I'm using ksh and doing

(( z = y - 1 ))

if y=34, then the result for z is 33, but if y=034 the result is z=27. Why??

Thanks

I could find the answer in other post. Need to do:

echo 40 | awk ' { comm="test.sh "$1; comm | getline y; close(comm); print y } '

Is a nice trick

Hello,

Need some help here. I have this script (test.sh):

#!/bin/sh
var=$1
(( var = 2 * var ))
echo $var

Now I want to call this script from awk with one argument and then capture the...