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Date: Tue, 27 Dec 2016 12:55:30 +0000
From: Daniel Shahaf <d.s@daniel.shahaf.name>
To: Ray Andrews <rayandrews@eastlink.ca>
Cc: zsh-users@zsh.org
Subject: Re: append to history entry?
Message-ID: <20161227125530.GA4796@fujitsu.shahaf.local2>
References: <a18cf6d4-9fcb-7758-599e-4a56d2258824@eastlink.ca>
 <5288b537-f06a-d18a-60ea-1f962856c80c__41345.3811700039$1482803962$gmane$org@eastlink.ca>
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User-Agent: Mutt/1.5.23 (2014-03-12)

Ray Andrews wrote on Mon, Dec 26, 2016 at 17:28:05 -0800:
>    print -S "rap $* ; echo $HOST"

This will not reproduce arguments with literal whitespace or backslashes
correctly.  Two changes are required to support them:

1) Pass -r to print.

2) When interpolating a variable into a command, it should be
(q)-esacped.

Putting all that and Bart's suggestion together gives:

    print -rS -- "rap ${(q)@} ; : ${(q)HOST}"

[just in case somebody puts a backslash in their hostnames ;)]

Cheers,

Daniel