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Re: [Help-bash] A do nothing function


From: Peng Yu
Subject: Re: [Help-bash] A do nothing function
Date: Thu, 27 Sep 2012 12:07:45 -0500

For example, in pseudo code

function cmd1 {
if some condition

}



On Thu, Sep 27, 2012 at 11:38 AM, DJ Mills <address@hidden> wrote:
> On Thu, Sep 27, 2012 at 12:24 PM, Peng Yu <address@hidden> wrote:
>> Hi,
>>
>> I have to use cat if just want to pass the stdin to stdout. But this
>> requires calling cat. Is there a more efficient way to just past stdin
>> to stdout?
>>
>> /tmp$ cat test.sh
>> #!/usr/bin/env bash
>>
>> function cmd {
>> cat
>> }
>>
>> echo xxxx | cmd | cat
>>
>> --
>> Regards,
>> Peng
>>
>
> No, cat's the easiest/best way to accomplish that.
> However, that raises the question of why you wouldn't ust omit the whole thing



-- 
Regards,
Peng



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