On 09/26/2016 06:24 AM, Wei Liu wrote:
> On Mon, Sep 26, 2016 at 11:20:50AM +0100, Ian Jackson wrote:
>> Wei Liu writes ("Re: [PATCH v6] acpi: Prevent GPL-only code from seeping
>> into non-GPL binaries"):
>>> On Fri, Sep 23, 2016 at 03:14:20PM -0400, Boris Ostrovsky wrote:
>>>> +links="ABCD"
>>>> +
>>>> +for i in $(seq 0 3)
>>>> +do
>>>> + link=${links:$i:1}
>>> This is not portable.
>>>
>>> Use following instead:
>>>
>>> links="A B C D"
>>>
>>> set $links
>>> for link in $@
>> What's wrong with
>>
>> links="A B C D"
>>
>> for link in $links; do
>> ....
>>
>> ?
There are two interdependent variables that I need to print. The C
equivalent is
for ( i = 0; i < 4; i++ )
printf("%d %c\n", i, 'A'+i);
The character value is derived from 'i', which in this example is an
index into 'links' array.
I suggested in response to Jan
link=`echo "A B C D" | cut -d" " -f $i`
-boris
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