Re: sed

[Eli Zaretskii]

On 28 Aug 2001, vivek katakam wrote:

>    i am trying to use sed to replace a tab character in one of my data files 
> with , character.
>     sed  s//t/,/ nreceived 

You meant \t.  But it isn't supported by Sed.

>     nreceived file contains /t for tab as separator. i want to replace with , 
> . but, it is giving the error
>    sed: -e expression #1, char 6: Unknown option to 's'   
> 
>    I want to know how to define tab character by using sed command.

Use a literal TAB:

   sed "s/      /,/" nreceived

The whitespace after the first slash was produced by pressing the TAB 
key.  This is also the reason you need to quote the Sed script.