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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Date: Tue, 13 Sep 2016 14:23:23 +0200
Message-ID: <CAKc7PVCErL0ZykRG-72foh8URN1UsO9jvPHuxiCDkum_pooXYg@mail.gmail.com>
Subject: How to detect that Zsh startup is result of exec zsh?
To: Zsh Users <zsh-users@zsh.org>
Content-Type: text/plain; charset=UTF-8

Hello,
first `exec zsh` can be detected via SHLVL. It will be "1". And some
other variable set in .zshrc earlier will be non-zero. But what with
`exec zsh` ran from sub-shell?

Best regards,
Sebastian Gniazdowski