A simple implementation that emulates the pipe functionality in terminal
For the first(mandatory) part only 1 pipe will be supported
For the bonus part multiple pipes and the "here document" functionality are implemented
make
make bonus
For the mandatory part
./pipex input_file cmd1 cmd2 output_file
For the bonus part
./pipex input_file cmd1 cmd2 ... cmdn output_file
To use the here document functionality
./pipex here_doc delimiter cmd1 cmd2 ... cmdn output_file