$ cat temp.txt | perl -ne 'print "$_\n" for /\[\d+\]\s*=\s*\d+/g'
[0] = 1
[1] = 2
[2] = 3
[3] = 4
[4] = 5
[5] = 6
[6] = 7
[7] = 8
[8] = 9
[9] = 10
[10] = 1
[11] = 2
[12] = 3
[13] = 4
[14] = 5
[15] = 6
[16] = 7
[17] = 8
[18] = 9
[19] = 10
[download]

You are nominated for the "Useless use of cat award" ;)

The following code would achieve the same goal:

perl -ne 'print "$_\n" for /\[\d+\]\s*=\s*\d+/g' temp.txt
[download]

--
B10m

but but but, I think it's cleaner / nicer / not that much of a waste / my privelege to waste processes!

--

flounder