generate file incremented by 1

mape · #1 (**permalink**) 08-16-2006

Hi

I a really need help.
I got simply shell script which store result into the specific file
in this case xxx_001.txt

And after another run script I would like to create the same file but
value 001 is incremented by 1 -> xxx_002.txt a so on.

If I gonna use awk utility then result is not 002 but only 2,
what is wrong.
-------------------------------------------
#!/usr/bin/ksh

file=xxx_001.txt

echo "give me sth" >> $file
------------------------------------------

Thanks

Mape

vgersh99 · #2 (**permalink**) 08-16-2006

I don't understand why you need 'awk' and I don't see any 'awk' in your script.

mape · #3 (**permalink**) 08-16-2006

awk is not used in script.
It is a just comment.

But how to solve this problem?

vgersh99 · #4 (**permalink**) 08-16-2006

here's an idea - you can take it from here.

Code:

#!/bin/ksh

pivot='/tmp/.fileCount'

typeset -Z3 cnt=1

if [ -f "${pivot}" ]; then
   read cnt < "${pivot}"
fi

echo "cnt->[${cnt}]"
cnt=$(( cnt + 1 ))
echo "${cnt}" > "${pivot}"

mape · #5 (**permalink**) 08-17-2006

perfect job,

its a really work fine.

Thanks a lot.

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