[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Help-bash] Arithmetic evaluation / expansion question
From: |
Andy Chu |
Subject: |
Re: [Help-bash] Arithmetic evaluation / expansion question |
Date: |
Wed, 10 Oct 2018 17:04:48 -0700 |
> I noted in the man page that null or unset variables evaluate to zero.
> Above, pd is a defined variable which holds "abc" (a string not beginning
> with zero - non-octal)
> pd is "arithmetically" evaluated to zero. Is this as intended? I.E. can
> this behavior be relied upon?
>
In an arithmetic context, pd is evaluated identically to $pd, so yes. Just
think of it as the $ being optional.
Andy
- [Help-bash] Arithmetic evaluation / expansion question, Bruce Hohl, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Andy Chu, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Greg Wooledge, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Andy Chu, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Andy Chu, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Bruce Hohl, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question,
Andy Chu <=
- Re: [Help-bash] Arithmetic evaluation / expansion question, Bruce Hohl, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Quentin L'Hours, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Bruce Hohl, 2018/10/10
- Re: [Help-bash] Arithmetic evaluation / expansion question, Chet Ramey, 2018/10/11
- Re: [Help-bash] Arithmetic evaluation / expansion question, Chet Ramey, 2018/10/11
Re: [Help-bash] Arithmetic evaluation / expansion question, Chet Ramey, 2018/10/11
Re: [Help-bash] Arithmetic evaluation / expansion question, Chet Ramey, 2018/10/11