$ git clone https://github.com/gildasio/wshlient
$ cd wshlient
$ pip install -r requirements.txt
$ ./wshlient.py -h

$ ln -s $PWD/wshlient.py /usr/local/bin/wshlient

$ ./wshlient.py -h
usage: wshlient.py [-h] [-d] [-i] [-ne] [-it INJECTION_TOKEN] [-st START_TOKEN] [-et END_TOKEN] req

positional arguments:
  req                   File containing raw http request

options:
  -h, --help            show this help message and exit
  -d, --debug           Enable debug output
  -i, --ifs             Replaces whitespaces with $IFS
  -ne, --no-url-encode  Disable command URL encode
  -it INJECTION_TOKEN, --injection-token INJECTION_TOKEN
                        Token to be replaced by commands (default: INJECT)
  -st START_TOKEN, --start-token START_TOKEN
                        Token that marks the output beginning
  -et END_TOKEN, --end-token END_TOKEN
                        Token that marks the output ending