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Re: [Help-bash] Is it possible to directly use $# in for((;;))?
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From: |
Matthew Cengia |
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Subject: |
Re: [Help-bash] Is it possible to directly use $# in for((;;))? |
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Date: |
Thu, 2 Apr 2015 12:39:49 +1100 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On 2015-04-01 20:33, Peng Yu wrote:
> Hi,
>
> Of course, the following bash does not work. Is there a way to
> directly use $# instead of first assigning it to a variable? Thanks.
>
> for((i=0;i<#;++i))
> do
> echo $i
> done
Use $# instead of #.
address@hidden:tmp$ set -- a b c;
address@hidden:tmp$ for ((i=0;i<$#;++i)); do echo "$i"; done
0
1
2
--
Regards,
Matthew Cengia
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