[GTALUG] Processing a binary file with a shell script

[David Thornton]

Can I ask why you want to use a borne script?

David

On Mon, Aug 10, 2015, 11:18 AM Mauro Souza <thoriumbr at gmail.com> wrote:

> If you have the program in C to process data, going to bash is like
> swapping a large truck for a turtle. Bash will be orders of magnitude
> slower, and you will have to take a lot of care to pipe data all over awk,
> sed, tr and the like.
> Bash is a terrible choice, python (or perl, or PHP) would be faster. Way
> faster.
>
> Mauro
> http://mauro.limeiratem.com - registered Linux User: 294521
> Scripture is both history, and a love letter from God.
>
> 2015-08-10 11:42 GMT-03:00 Brent Kimberley <Brent.Kimberley at durham.ca>:
>
>> How about ihex or srec?
>>
>>
>>   Original Message
>> From: Giles Orr
>> Sent: Monday, August 10, 2015 10:32
>> To: GTALUG Talk
>> Reply To: GTALUG Talk
>> Subject: Re: [GTALUG] Processing a binary file with a shell script
>>
>>
>> On 10 August 2015 at 04:12, Ansar Mohammed <ansarm at gmail.com> wrote:
>> > Hello All,
>> > I am writing a bourne shell script, to read a binary file as input and
>> take
>> > action depending on the contents of the file.
>> >
>> > The file is a mixture of ASCII and binary codes (such as ASCII filed
>> lengths
>> > and flags).
>> >
>> > I have the processing already done in C. I would like to convert it to a
>> > bourne shell.
>> >
>> > Does anyone have any suggestions on what combination of tools I may be
>> able
>> > to use?
>>
>> If you're only trying to look at the ASCII data (and trying to process
>> binary data in Bash seems like a poor idea), then you may want to look
>> at the "strings" command:
>>
>> $ strings $(which ls)
>>
>> "strings" is part of the binutils package on Debian.
>>
>> --
>> Giles
>> http://www.gilesorr.com/
>> gilesorr at gmail.com
>> ---
>> Talk Mailing List
>> talk at gtalug.org
>> http://gtalug.org/mailman/listinfo/talk
>> THIS MESSAGE IS FOR THE USE OF THE INTENDED RECIPIENT(S) ONLY AND MAY
>> CONTAIN INFORMATION THAT IS PRIVILEGED, PROPRIETARY, CONFIDENTIAL, AND/OR
>> EXEMPT FROM DISCLOSURE UNDER ANY RELEVANT PRIVACY LEGISLATION. No rights to
>> any privilege have been waived. If you are not the intended recipient, you
>> are hereby notified that any review, retransmission, dissemination,
>> distribution, copying, conversion to hard copy, taking of action in
>> reliance on or other use of this communication is strictly prohibited. If
>> you are not the intended recipient and have received this message in error,
>> please notify me by return e-mail and delete or destroy all copies of this
>> message.
>> ---
>> Talk Mailing List
>> talk at gtalug.org
>> http://gtalug.org/mailman/listinfo/talk
>>
>
> ---
> Talk Mailing List
> talk at gtalug.org
> http://gtalug.org/mailman/listinfo/talk
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://gtalug.org/pipermail/talk/attachments/20150810/2e34ab0a/attachment.html>