add cksum parser

docs/parsers/cksum.md

@@ -0,0 +1,95 @@
+
+# jc.parsers.cksum
+jc - JSON CLI output utility `cksum` command output parser
+
+This parser works with the following checksum calculation utilities:
+- `sum`
+- `cksum`
+
+Usage (cli):
+
+    $ cksum file.txt | jc --cksum
+
+    or
+
+    $ jc cksum file.txt
+
+Usage (module):
+
+    import jc.parsers.cksum
+    result = jc.parsers.cksum.parse(cksum_command_output)
+
+Compatibility:
+
+    'linux', 'darwin', 'cygwin', 'aix', 'freebsd'
+
+Examples:
+
+    $ cksum * | jc --cksum -p
+    [
+      {
+        "filename": "__init__.py",
+        "checksum": 4294967295,
+        "blocks": 0
+      },
+      {
+        "filename": "airport.py",
+        "checksum": 2208551092,
+        "blocks": 3745
+      },
+      {
+        "filename": "airport_s.py",
+        "checksum": 1113817598,
+        "blocks": 4572
+      },
+      ...
+    ]
+
+
+## info
+```python
+info()
+```
+
+
+## process
+```python
+process(proc_data)
+```
+
+Final processing to conform to the schema.
+
+Parameters:
+
+    proc_data:   (dictionary) raw structured data to process
+
+Returns:
+
+    List of dictionaries. Structured data with the following schema:
+
+    [
+      {
+        "filename":     string,
+        "checksum":     integer,
+        "blocks":       integer
+      }
+    ]
+
+
+## parse
+```python
+parse(data, raw=False, quiet=False)
+```
+
+Main text parsing function
+
+Parameters:
+
+    data:        (string)  text data to parse
+    raw:         (boolean) output preprocessed JSON if True
+    quiet:       (boolean) suppress warning messages if True
+
+Returns:
+
+    List of dictionaries. Raw or processed structured data.
+

docs/parsers/hashsum.md

@@ -2,7 +2,7 @@
 # jc.parsers.hashsum
 jc - JSON CLI output utility `hash sum` command output parser
 
-This parser works with the following hash calculation programs:
+This parser works with the following hash calculation utilities:
 - `md5`
 - `md5sum`
 - `shasum`