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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.help
Subject: Re: eval bash command at eshell
Date: Wed, 05 Oct 2016 13:29:14 +0300
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	(message from Xi Shen on Wed, 05 Oct 2016 02:52:55 +0000)
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> From: Xi Shen <davidshen84@gmail.com>
> Date: Wed, 05 Oct 2016 02:52:55 +0000
> 
> When I am working in eshell, the "eval" at the command refers to the eval
> function in elisp...how can I get the bash "eval" working in the eshell
> environment?

According to the Eshell manual (hint, hint), *eval should do that,
i.e. prepend an asterisk to a command to invoke the external command.