Date: Sun, 30 May 2010 14:58:58 +0800 From: Aiza <aiza21@comclark.com> To: Anh Ky Huynh <xkyanh@gmail.com> Cc: "questions@freebsd.org" <questions@freebsd.org> Subject: Re: sh script writing help Message-ID: <4C020CB2.5070408@comclark.com> In-Reply-To: <20100530131730.1931dbd4@icy.localdomain> References: <4C01F419.10100@comclark.com> <20100530053935.GG8866@dan.emsphone.com> <4C02015C.5070605@comclark.com> <20100530131730.1931dbd4@icy.localdomain>
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Anh Ky Huynh wrote:
> 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,
>
Thanks I never though of that solution.
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