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| * Refresh paths every loopRory Dudley2024-02-191-6/+9
|/ | | | | | | | | | | | | Implements the path refresh at the start of each REPL loop. On this commit, it is printing out how long it needed to refresh all the paths in milliseconds. Notes: This may be an easier solution than using inotify. There is the obvious downside of a small delay each time we need to print the loop, but the highest I've seen so far is around 12 milliseconds, which seems acceptable. Using inotify as an alternative, it adds quite a few more dependencies, and some overhead in way of a watcher.
* Call programs from full and relative pathsRory Dudley2024-02-171-9/+15
| | | | | | | | | | Allow user to input a fullpath or relative path to a file that should be forked to. Notes: Currently, this does not check whether or not that file at the path specified is executable or not, but, if it isn't we will throw an 'Unable to fork' error, before printing the next prompt.
* Control flow in cdRory Dudley2024-02-171-2/+2
| | | | | Make the control flow in our cd implementation a bit easier to read/follow.
* EOF behaviorRory Dudley2024-02-171-0/+1
| | | | Print a newline before quitting when we receive an EOF.
* Update cdRory Dudley2024-02-171-4/+1
| | | | | Instead of printing an error if the path is not specified, simply 'cd' into the user's home directory instead.
* Change directoriesRory Dudley2024-02-161-0/+19
| | | | Added logic to change directories with 'cd'.
* Capture SIGINTRory Dudley2024-02-163-0/+121
| | | | | | Added logic to capture the interrupt signal. Using a rust crate called 'ctrlc' to do the heavy lifting. Program will simply reprint the prompt on a new line if the interrup signal is detected.
* Detect EOFRory Dudley2024-02-161-1/+8
| | | | Added logic to detect for an EOF (i.e. <C-d>).
* Initial commitRory Dudley2024-02-164-0/+108
An extremely miniamal shell. It is capable of forking processes, and passing arguments to them, but that's pretty much it. Notes: This is pretty much a prototype, to see how easily something like a shell could be implemented in Rust.