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Re: One expression to get the first letter of a string and capitalize it
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From: |
Peng Yu |
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Subject: |
Re: One expression to get the first letter of a string and capitalize it |
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Date: |
Tue, 24 Aug 2021 13:05:58 -0500 |
But I just want to get the first letter.
On 8/24/21, Dennis Williamson <dennistwilliamson@gmail.com> wrote:
> On Tue, Aug 24, 2021, 8:01 AM Peng Yu <pengyu.ut@gmail.com> wrote:
>
>> x=abc
>> y=${x:0:1}
>> echo "${y^^}"
>>
>> I want to get the first letter of a string and capitalize it. Ideally,
>> I want it to be done in one expression. But I only know how to do it
>> with two expressions.
>>
>> Is there a way to do it in a more concise manner (without using an
>> extra variable, or definition of a new function, etc)?
>>
>> --
>> Regards,
>> Peng
>>
>
>
> Use one carat instead of two.
>
> echo "${x^}"
>
>>
>
--
Regards,
Peng