On Fri, Mar 24, 2017 at 08:03:38PM +0200, Amer wrote: > Does anybody knows any cli tools which allows to search offset > of one binary file inside another ? > > Find if ./chunk.bin contained and its offset inside ./dump.bin > * simple case: 200kB inside 100MB > * hard case: 2GB inside 100GB > > I thought this idea is as old as PC itself, but I couldn't find any > tool in arch distro, nor by google, nor at github. > However, maybe my requests simply couldn't their descriptions. > > I acknowledge that implementation isn't as simple as it seems, > when taking into account performance for hard case. > > But I even couldn't find straight clean implementation in C / mmap(). > I appreciate anything related, even links to sophisticated algorithms, > if there is really no tool / code-snippet in existence yet.
Not C, but Python: https://github.com/Sepero/SearchBin For C, you can modify this one to make it read pattern from file or mmap it: https://github.com/rsharo/bgrep
