select a column

alfreale · June 16, 2008, 6:08am

I've a file like this:

can I select only the column with email adress?

can I utilise a filter with @ ?

I want obtain this:

Alfredo

Tytalus · June 16, 2008, 6:31am

 cat infile | tr " " "\n" | grep @ 

or 

 cat infile | tr " " "\n" | grep @ | tr "\n" ","

Should be close to what you're after...

danmero · June 16, 2008, 6:45am

@Tytalus: Beware of the Herder of Useless Cats!

tr " " "\n" < file.in | grep @ | tr "\n" "," > file.out