fengrui wrote:

> if [ -f "yourfile" ]
> then
> (echo '1';echo '2'; cat "yourfile") | wc -l
> fi
>
> <bonnie.tangyn@gmail.com>
> ??????:1155738329.279293.323320@74g2000cwt.googleg roups.com...
>> Dear all
>>
>> How can I add the number of rows count by 2? Because I am required to
>> include header and trailer in the number of counts. For example, if the
>> wc -l is returned 5 records. I need to output 7 because of header and
>> trailer.
>>
>> The script I use as follow:
>>
>> for f in *.txt
>> do
>> mv -i "$f" "$f.bak"
>> { printf "filenumber %s\n" "$(date +%y%m%d)"
>> cat "$f.bak"
>> wc -l "$f.bak" | awk '{print $1}'
>> } >"$f"
>> done
>>
Try this (using ksh)
Y=$(wc -l $f.bak | awk '{ print $1 } )
let x=$(($Y+2))
print $x

Ref: man ksh search for "Arithmetic evaluation

-- Mark