| 1 |
On 2011-05-17, Alex Schuster <wonko@×××××××××.org> wrote: |
| 2 |
> Juan Diego Tascón writes: |
| 3 |
> |
| 4 |
>> I have always wondered if there is a way to do awk '{ print $1}' using |
| 5 |
>> only builtin bash functions when you only have a one line string |
| 6 |
> |
| 7 |
> str="one two five" |
| 8 |
> |
| 9 |
> # remove all from the first blank on, but will not work with |
| 10 |
> # other whitespace |
| 11 |
> echo ${str%% *} |
| 12 |
> |
| 13 |
> or |
| 14 |
> |
| 15 |
> # set $1, $2, $3, ... to words of $str |
| 16 |
> set $str |
| 17 |
> echo $1 |
| 18 |
> |
| 19 |
> or |
| 20 |
> |
| 21 |
> # create array holding one word per element |
| 22 |
> strarr=( $str ) |
| 23 |
> echo $strarr (or echo ${strarr[0]}) |
| 24 |
> |
| 25 |
> Wonko |
| 26 |
> |
| 27 |
> |
| 28 |
|
| 29 |
How about this: |
| 30 |
|
| 31 |
str="one two three" |
| 32 |
read word etc <<< "$str" |
| 33 |
echo $word |
| 34 |
|
| 35 |
(not tested, though) |
| 36 |
|
| 37 |
-- |
| 38 |
Pandu E Poluan - IT Optimizer |
| 39 |
My website: http://pandu.poluan.info/ |
Archives