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grep regexp question

I am trying to extract a column from a command-separated table. How do I use grep or egrep or sed or whatever tool to extract the text (unicode, contain Chinese character sometimes) between says, the n-th and the (n+1)-th comma?

You're looking for "cut" You can declare an arbitrary delimeter with -d.

Here's an example:

Code:

fin@sleepy:~$ cat foo

bob,jack, tom, ed

bob,  jack, tom, ed

bob,  jack, tom, ed

bob, mike, jack, tom, ed

bob, coffee,  jack, tom, ed



fin@sleepy:~$ cat foo | cut -d , -f2-3

jack, tom

  jack, tom

  jack, tom

 mike, jack

 coffee,  jack



or...



fin@sleepy:~$ cat foo | cut -d , -f1-3

bob,jack, tom

bob,  jack, tom

bob,  jack, tom

bob, mike, jack

bob, coffee,  jack

Where -f controls the fields you want outputted.

Is that what you were lookin for?

Cheers,

Finegan