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Date:      Sun, 30 May 2010 13:17:30 +0700
From:      "Anh Ky Huynh" <xkyanh@gmail.com>
To:        Aiza <aiza21@comclark.com>
Cc:        "questions@freebsd.org" <questions@freebsd.org>
Subject:   Re: sh script writing help
Message-ID:  <20100530131730.1931dbd4@icy.localdomain>
In-Reply-To: <4C02015C.5070605@comclark.com>
References:  <4C01F419.10100@comclark.com> <20100530053935.GG8866@dan.emsphone.com> <4C02015C.5070605@comclark.com>

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On Sun, 30 May 2010 14:10:36 +0800
Aiza <aiza21@comclark.com> wrote:

> Dan Nelson wrote:
> > In the last episode (May 30), Aiza said:
> >> In a .sh type script I have && exerr " very long message gt 250
> >> char" all on the same line. This is a real pain to edit.
> >>
> >> Is there some code a can use to continue this on the next line
> >> so I can see it on the screen and still have the command
> >> function? I tried \ with no luck.
> > 
> > \ should work just fine:
> > 
> > $ echo "long line \
> > split onto two"
> > long line split onto two
> > $
> > 
> 
> 
> You example works only because the continuation starts at position
> 1.
> 
> $   [ -n "${test-name-fowarding}" -o -n "${test-noname}" ] || \
>      exerr "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx\
>             xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
> this is for ease of reading the code but will display with a bunch
> of spaces in the middle of the sentence. The \ works fine bypassing
> all white space between code not so for white space between the "
> ".
> 
> Is there a coding method to get around this?

Do you try to read your expression from a file?
	exerr `cat /path/to/data`

the contents of /path/to/data are your very long string.

Regards,

-- 
Anh Ky Huynh



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