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Ian Zimmerman <itz@×××××××.net> writes: |
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|
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> On 2016-12-19 21:49, lee wrote: |
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> |
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>> > [5+0]~$ FOO='foo,bar,baz' |
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>> > [6+0]~$ printf '%s\n' `echo $FOO | tr ',' ' '` |
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>> > foo |
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>> > bar |
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>> > baz |
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>> |
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>> Nice, thanks! |
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>> |
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>> I never realised there's printf and always wondered why I needed man 3 |
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> |
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> In fact you don't even need printf for this: |
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|
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exactly |
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|
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> [3+0]~$ echo 'foo,bar,baz' | tr ',' '\n' |
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> foo |
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> bar |
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> baz |
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> |
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>> Hm. Does anyone know when printf was written? The man page seems to be |
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>> wrong: |
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>> |
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>> [~] printf --version |
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>> bash: printf: --: invalid option |
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>> printf: usage: printf [-v var] format [arguments] |
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> |
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> That's because bash has a printf builtin. This works: |
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|
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Oh, I didn't know that, either. |
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|
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> [1+0]~$ /usr/bin/printf --version |
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> printf (GNU coreutils) 8.25 |
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> Packaged by Gentoo (8.25 (p1.1)) |
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> Copyright (C) 2016 Free Software Foundation, Inc. |
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> License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. |
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> This is free software: you are free to change and redistribute it. |
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> There is NO WARRANTY, to the extent permitted by law. |
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> |
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> Written by David MacKenzie. |
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