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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <160215084615.ZM26959@torch.brasslantern.com>
Date: Mon, 15 Feb 2016 08:46:15 -0800
In-Reply-To: <56C10822.9010107@inlv.org>
Comments: In reply to Martijn Dekker <martijn@inlv.org>
        "minor 'select' snag" (Feb 15, 12:05am)
References: <56C10822.9010107@inlv.org>
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To: zsh-workers@zsh.org
Subject: Re: minor 'select' snag
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On Feb 15, 12:05am, Martijn Dekker wrote:
}
} If a user presses Ctrl-D (EOF) within a 'select' loop, the REPLY
} variable is left unchanged on zsh. On the other shells with 'select', it
} is cleared, which is the same behaviour as 'read' (including 'read' on
} zsh) and seems more logical.

There are several other differenced of "select" from "read".  For example
zsh's "select" will accept a maximum of 256 bytes of input, doesn't do
any special handling of multibyte characters, won't allow a line to be
continued with a backslash, etc.  In bash,

    select foo in a b c; do loopbody; done

seems to be equivalent to

    while read "?$PS3"; do
     case $REPLY in (1) foo=a;; (2) foo=b;; (3) foo=c;; (*) foo="";; esac
     loopbody
    done

Zsh also prints an extra newline after the select is done.