10-30-2008
Split a binary file into 2 basing on 2 delemiter string
Hi all,
I have a binary file (orig.dat) and two special delimiter strings 'AAA' and 'BBB'. My binary file's content is as follow:
<Data1.1>AAA<Data1.2>BBB
<Data2.1>AAA<Data2.2>BBB
...
<DataN.1>AAA<DataN.2>BBB
DataX.Y might have any length, and contains any kind of special/printable characters.
Now I want to split this file into 2 files F1.dat and F2.dat, content of file 1 should be:
<Data1.1>
<Data2.1>
...
<DataN.1>
content of file 2 should be
<Data1.2>
<Data2.2>
...
<DataN.2>
Could you please help suggest me a way to do this.
Thank you very much!
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LEARN ABOUT OPENDARWIN
strings
STRINGS(1) General Commands Manual STRINGS(1)
NAME
strings - find the printable strings in a object, or other binary, file
SYNOPSIS
strings [ - ] [ -a ] [ -o ] [ -number ] [file ...]
DESCRIPTION
Strings looks for ASCII strings in a binary file or standard input. Strings is useful for identifying random object files and many other
things. A string is any sequence of 4 (the default) or more printing characters ending with a newline or a null. Unless the - flag is
given, strings looks in all sections of the object files except the (__TEXT,__text) section. If no files are specified standard input is
read.
The options to strings(1) are:
-a This option causes strings to look for strings in all sections of the object file (including the (__TEXT,__text) section.
- This option causes strings to look for strings in all bytes of the files (the default for non-object files).
-o Preceded each string by its offset in the file (in decimal).
-number
The decimal number is used as the minimum string length rather than the default of 4.
SEE ALSO
od(1)
BUGS
The algorithm for identifying strings is extremely primitive.
Apple Computer, Inc. October 23, 1997 STRINGS(1)