radare2/doc/rapatch.md
2018-02-27 10:54:54 +01:00

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RAPATCH
=======
Human friendly text format to apply patches to binary files.
Patch format
------------
Those patches must be written in files and the syntax looks like the following:
```
^# -> comments
. -> execute command
! -> execute command
OFFSET { code block }
OFFSET "string"
OFFSET 01020304
OFFSET : assembly
+ {code}|"str"|0210|: asm
```
Example scripts
---------------
This script will run the `?e ..` command in r2 and then write the string 'Hello' at 0x200 offset
```
# rapatch example
:?e hello world
0x200 "Hello"
```
Running rapatches
-----------------
$ r2 -P rapatch.txt target-program.txt