extract chunk from file

extract boot sector or other chunk from disk image or other file

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Windows

Description

this is used to extract a chunk of data from a binary disk file such as a disk image. it can be used to extract the boot sector or MBR or a chunk from any position and length.

accepts many types of integer number formats.

great for building OS's (Operating Systems) or general data extraction and file work.

extract chunk from file Web Site

Features

  • extract first 512 bytes of file or any position and length
  • input and output is binary file
  • warning: DJGPP stat is used for DOS (not the CMD shell version) for file sizes, which gives false sizes for text files (converts cr+lf to lf).
  • windows version uses 64-bit filesystem access
  • 32-bit executables for DOS, 32 and 64-bit executables for windows.
  • DOS version is (of course) limited to 4GiB filesystem.
  • uses integer64 for all number input and handles the following: integer64 is unsigned and case insensitive. it ignores underscores(_). it can be hexadecimal (start with 0x), decimal (plain number or start with 0d), octal (start with 0, 0q, 0o), binary (start with 0b), and can be appended with SI units (:B :D :DB :H :HB :K :KB :M :MB :G :GB :T :TB :P :PB :E :EB :Z :ZB :Y :YB) or computer units (:Ki :KiB :Mi :MiB :Gi :GiB :Ti :TiB :Pi :PiB :Ei :EiB :Zi :ZiB :Yi :YiB) as a multiplier suffix. priority will be given to longer suffixes in a stream of printable characters.
  • can be used for file splitting, e.g. splitting a backup into smaller media-sized chunks for later re-joining using a copy /b a+b+c+d e command.

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Additional Project Details

Languages

English

Intended Audience

Developers, Information Technology, System Administrators

User Interface

Command-line

Programming Language

C++

Registered

2011-10-30
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