Updated readme with help output

README.md

@@ -1,3 +1,21 @@
 # stanza
 
-Like grep, but for delimited blocks of text
+Like grep, but for delimited blocks of text
+
+Usage: stanza [-h] [-1] [-d] [-m /r/] [-c /r/] [-f FILE] open close
+
+Output lines based on complex criteria
+
+positional arguments:
+  open                  Regex to open the stanza start buffering on
+  close                 Regex to close a stanza and output buffer
+
+optional arguments:
+  -h, --help            show this help message and exit
+  -1, --oneline         Output each stanza on one line
+  -d, --debug           Debug
+  -m /r/, --match /r/   Regex to indicate a valid/desired stanza to output
+  -c /r/, --callback /r/
+                        A callback to run for each stanza
+  -f FILE, --file FILE  File to operate on, defaults to stdin
+