Organise options into columns

README.md

@@ -12,33 +12,43 @@
 
 ## Options
 
-- **-1**, **--oneline**: display one entry per line
+exa's options are similar, but not exactly the same, as `ls`.
+
+### Filtering Options
+
 - **-a**, **--all**: show dot files
+- **-d**, **--list-dirs**: list directories as regular files
+- **--group-directories-first**: list directories before other files
+- **-L**, **--level=(depth)**: maximum depth of recursion
+- **-R**, **--recurse**: recurse into subdirectories
+
+### View Options
+
+- **-1**, **--oneline**: display one entry per line
+- **-r**, **--reverse**: reverse sort order
+- **-s**, **--sort=(field)**: field to sort by
+- **-x**, **--across**: sort multi-column view entries across
+- **-T**, **--tree**: recurse into subdirectories in a tree view
+
+You can sort by **name**, **size**, **ext**, **inode**, **modified**, **created**, **accessed**, or **none**.
+
+### Long Format
+
 - **-b**, **--binary**: use binary (power of two) file sizes
 - **-B**, **--bytes**: list file sizes in bytes, without prefixes
-- **-d**, **--list-dirs**: list directories as regular files
 - **-g**, **--group**: show group as well as user
-- **--group-directories-first**: list directories before other files
 - **--git**: show git status (depends on libgit2, see below)
 - **-h**, **--header**: show a header row
 - **-H**, **--links**: show number of hard links column
 - **-i**, **--inode**: show inode number column
 - **-l**, **--long**: display extended details and attributes
-- **-L**, **--level=(depth)**: maximum depth of recursion
 - **-m**, **--modified**: display timestamp of most recent modification
-- **-r**, **--reverse**: reverse sort order
-- **-R**, **--recurse**: recurse into subdirectories
-- **-s**, **--sort=(field)**: field to sort by
 - **-S**, **--blocks**: show number of file system blocks
 - **-t**, **--time=(field)**: which timestamp to show for a file
-- **-T**, **--tree**: recurse into subdirectories in a tree view
 - **-u**, **--accessed**: display timestamp of last access for a file
 - **-U**, **--created**: display timestamp of creation of a file
-- **-x**, **--across**: sort multi-column view entries across
 - **-@**, **--extended**: display extended attribute keys and sizes
 
-You can sort by **name**, **size**, **ext**, **inode**, **modified**, **created**, **accessed**, or **none**.
-
 
 ## Installation