Usage

All r2 tools and commands support printing the output in different formats by appending a char at the end or using the -r(*r2) and -j(json) flags.

 ___  __  ___  __ ___  ___   ____
| _ \/  \|   \/  \ _ \/ _ \ (__  \
|   (  - | |  ) - |  (   _/ /  __/
|_\__|_|_|___/__|_|_\_|___| |____|

      https://www.radare.org

                        --pancake

radare2

r2 -          # same as r2 malloc://4096 the playground
r2 /bin/ls    # standard way to run r2
r2 -w ls      # open in read-write
r2 -d ls      # start debugging the ls in PATH

rasm2

rasm2 -L       # list all supported assembler/disassembler/emulator plugins
rasm2 -L       # list all supported assembler/disassembler/emulator plugins
rasm2 -a arm -b 64 'nop'
rasm2 -d 90    # disassembles a nop asuming local x86

rabin2

rabin2 -s /bin/ls  # list symbols of binary
rabin2 -z /bin/ls  # find strings

rax2

rax2 '10+0x20'     # compute the result
rax2 -k 10+32      # keep the same base as input (10)
rax2 -h            # convert between (hex, octal, decimal.. bases)

Other tools...

Checkout the manpages and help messages for more details

Scripting

There are native API bindings available for many programming languages, but it is recommended to use r2pipe which is a simple interface to execute r2 commands and get the output in result. Appending a j in the commands the output will be in JSON, so it can be parsed with .cmdj()

Some of the languages supported by r2 are: Python, Ruby, JavaScript, Lua, Perl, PHP, V, Go, Rust, Swift, C#, Java, Shell, OCaml, Haskell, Scheme (Guile), Common Lisp, Clojure, Erlang, D, Vala/Genie, Prolog, Nim, Newlisp...

import r2pipe
r2 = r2pipe.open("/bin/ls")
print(r2.cmd("pd 10"))
r2.quit()

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