On 10/20/15 10:21 AM, ziyunfei wrote:
> Quoting from the bash manual:
>
> "If IFS has a value other than the default, then sequences of the whitespace
> characters *space and tab* are ignored at the beginning and end of the word,
> as long as the whitespace character is in the value of IFS (an IFS whitespace
> character)."
>
> If this is true, then the following script
>
> $ IFS=$'\n'
> $ a=$'\n1\n2\n'
> $ printf "%s\n" $a
> 1
> 2
>
> should print <> <1> <2> 3 fields, but it doesn't.
>
> So I guess *space and tab* should be replace by *space, tab and newline* in
> that section.
That seems reasonable.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, ITS, CWRU [email protected] http://cnswww.cns.cwru.edu/~chet/
