cshell is an implementation of the original UNIX shell in C. It uses the POSIX API to implement a lot of the same functionality of Ken Thompson's first shell. The API calls predominantly used are read, write, fork, exec, and wait to name a few.
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Ubuntu 14.04 LTS - Operating system reqd.
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GCC 4.8.4 - Compiler used
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Must have
gitinstalled -
Must have repository cloned
$ sudo apt-get install git
Clone the repository into a new directory
$ git clone https://github.com/BennettDixon/simple_shell.git
Compile with the following:
gcc -Wall -Werror -Wextra -pedantic *.c -o seashell
Using $PATH to find custom commands (executables)
> echo dog
dog
> /bin/echo dog
dog
Using && or || logic to run commands based on success
> ls -l /asdfasdf && echo this won't print!
ls: cannot access /asdfasdf: No such file or directory
> ls -l /asdfasdf || echo this will print!
ls: cannot access /asdfasdf: No such file or directory
this will print!
Using ; to seperate commands and run regardless of success
> ls -l /asdfasdf ; echo printme! ; wc -l main.c
ls: cannot access /asdfasdf: No such file or directory
printme!
21 316 main.c
Using exit [status] to exit the process with status number
> exit 102
vagrant@vagrant-ubuntu-trusty-64:~/simple_shell$ echo $?
102
Using env to print the environmental variables
> env
XDG_SESSION_ID=30
TERM=ansi
SHELL=/home/vagrant/simple_shell/seashell
...
...
Strictly followed Betty style guide. To install
$ git clone https://github.com/holbertonschool/Betty.git
$ cd Betty; ./install.sh
- 0.1.0
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Connor Brereton - @ConnorBrereton
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Bennett Dixon - @BennettDixon
This project is licensed under the MIT License - see the LICENSE.md file for details
- Bennett Dixon (for being a wizard)
- Holberton School (providing guidance)
- Stack Overflow (help on various memory errors (not leaks))