Update README

README.md

@@ -15,7 +15,7 @@ it runs on linux (Ubuntu tested) for now<br/>
 
 ## Installation
 
-todo
+Install using the below command lines to ensure dependencies are met for Ubuntu. `sudo` is currently required.
 
 ```bash
 sudo apt install --yes --no-install-recommends build-essential python3-dev libzfslinux-dev && \
@@ -23,7 +23,39 @@ sudo pip3 install Cython && \
 git clone https://github.com/truenas/py-libzfs && pushd py-libzfs && \
 ./configure --prefix=/usr && sudo make install && popd && \
 git clone https://sillyhats.mips.uk/pdf/melamine && pushd melamine && \
-python3 -m pip install .
+sudo python3 -m pip install .
+```
+
+Verify the installation with `sudo melamine --help` or `sudo melamine -h` to see:
+
+```bash
+usage: melamine [-h] [--recursive] [--yes] [--dryrun] [--exhaustive]
+                [--ignoredir IGNOREDIR] [--logfile LOGFILE] [--quiet]
+                [--verbose]
+                paths [paths ...]
+
+Comprehensive DoD 5220.22-M-compliant file shredder for Linux.
+
+positional arguments:
+  paths                 Specify any number of existing files or directories to
+                        be processed.
+
+options:
+  -h, --help            show this help message and exit
+  --recursive, -r       Process directories recursively. Default is false.
+  --yes, -y             Skip confirmation prompts. Default is false.
+  --dryrun, -d          Provide mock output without deleting anything. Default
+                        is false.
+  --exhaustive, -e      Exhaustively check local mounts for duplicate files by
+                        hash. Default is false.
+  --ignoredir IGNOREDIR, -i IGNOREDIR
+                        Specify directories to be ignored during the process.
+                        This option can be used multiple times.
+  --logfile LOGFILE, -o LOGFILE
+                        Specify a file to log all output (NOT IMPLEMENTED).
+  --quiet, -q           Silence all output (NOT IMPLEMENTED).
+  --verbose, -v         Provide extra output for debugging (NOT IMPLEMENTED).
+
 ```
 
 ## Example
@@ -38,6 +70,7 @@ rm -rf /tmp/melamine_hardlinks && mkdir -p /tmp/melamine_hardlinks;
 for i in $(seq 1 4); do dd if=/dev/urandom of=/tmp/melamine/test_$i bs=1 count=$(( RANDOM % 256 * 256 )); done;
 ln /tmp/melamine/test_1 /tmp/melamine_hardlinks/hardlink_1;
 ln /tmp/melamine/test_2 /tmp/melamine_hardlinks/hardlink_2;
+melamine --recursive /tmp/melamine
 ```
 
 You can then confirm that the two hardlink inodes match using `ls -li`.