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Date: Mon, 15 Aug 2011 01:24:10 +0200
Message-ID: <CAHYJk3Sh=Bo+Z-50y03RjE-ZpZrcVOqvHvg01L3TOg2k5o1NNA@mail.gmail.com>
Subject: Re: [[ -o interactive ]] vs if [[ -o login ]]?
From: Mikael Magnusson <mikachu@gmail.com>
To: TJ Luoma <luomat@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
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On 15 August 2011 00:46, TJ Luoma <luomat@gmail.com> wrote:
> If there any reason to prefer
>
> if [[ -o interactive ]]
>
> rather than
>
>  if [[ -o login ]]
>
> ?
>
> Are they two ways of saying the same thing? If not, could someone
> explain the difference?

login is only set for login shells, interactive is set for all
interactive shells. I suspect that doesn't help you a lot though since
that part's pretty obvious ;). A login shell is something that is
started at the beginning of some sort of session, like logging in to X
or the console, and it will be started like $SHELL -l or -$SHELL (with
a - prepended to argv[0]). Any time you just open a terminal or run
"zsh" it is likely not a login shell, unless you configure your
terminal emulator to always start a login shell.

-- 
Mikael Magnusson