Unix questions - fastest way to translate large file to uppercase

Author

fastest way to translate large file to uppercase

John Leslie

2005-01-27, 7:54 am

Before I spend time testing this I wondered if anyone has any idea
what would be the fastest way to transalte all lowercase values in a
file to uppercase :

tr or awk or maybe sed?

Chuck Dillon

2005-01-27, 5:52 pm

John Leslie wrote:

> Before I spend time testing this I wondered if anyone has any idea
> what would be the fastest way to transalte all lowercase values in a
> file to uppercase :
>
> tr or awk or maybe sed?

I would guess dd (i.e. conv=ucase), with a hefty block size, would be
fastest.

-- ced

--
Chuck Dillon
Senior Software Engineer
NimbleGen Systems Inc.