| 1 |
On 2016-12-19 21:49, lee wrote: |
| 2 |
|
| 3 |
> > [5+0]~$ FOO='foo,bar,baz' |
| 4 |
> > [6+0]~$ printf '%s\n' `echo $FOO | tr ',' ' '` |
| 5 |
> > foo |
| 6 |
> > bar |
| 7 |
> > baz |
| 8 |
> |
| 9 |
> Nice, thanks! |
| 10 |
> |
| 11 |
> I never realised there's printf and always wondered why I needed man 3 |
| 12 |
|
| 13 |
In fact you don't even need printf for this: |
| 14 |
|
| 15 |
[3+0]~$ echo 'foo,bar,baz' | tr ',' '\n' |
| 16 |
foo |
| 17 |
bar |
| 18 |
baz |
| 19 |
|
| 20 |
> Hm. Does anyone know when printf was written? The man page seems to be |
| 21 |
> wrong: |
| 22 |
> |
| 23 |
> [~] printf --version |
| 24 |
> bash: printf: --: invalid option |
| 25 |
> printf: usage: printf [-v var] format [arguments] |
| 26 |
|
| 27 |
That's because bash has a printf builtin. This works: |
| 28 |
|
| 29 |
[1+0]~$ /usr/bin/printf --version |
| 30 |
printf (GNU coreutils) 8.25 |
| 31 |
Packaged by Gentoo (8.25 (p1.1)) |
| 32 |
Copyright (C) 2016 Free Software Foundation, Inc. |
| 33 |
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. |
| 34 |
This is free software: you are free to change and redistribute it. |
| 35 |
There is NO WARRANTY, to the extent permitted by law. |
| 36 |
|
| 37 |
Written by David MacKenzie. |
| 38 |
|
| 39 |
-- |
| 40 |
Please *no* private Cc: on mailing lists and newsgroups |
| 41 |
Personal signed mail: please _encrypt_ and sign |
| 42 |
Don't clear-text sign: http://cr.yp.to/smtp/8bitmime.html |
Archives