refactor: remove digest fields from db and item struct

README.org

@@ -1,10 +1,8 @@
 #+TITLE: Keep
 #+AUTHOR: Andrew Phillips
-#+EMAIL: andrew@gt0.ca
-#+DATE: 2024-01-01
 
 * Introduction
-Keep is a command-line utility designed to manage temporary files created on the command line. Instead of redirecting output to a temporary file (e.g., *command > ~/whatever.tmp*), you can use *keep* to handle the temporary files for you (e.g., *command | keep*).
+Keep is a command-line utility designed to manage temporary files created on the command line. Instead of redirecting output to a temporary file (e.g., =command > ~/whatever.tmp=), you can use =keep= to handle the temporary files for you (e.g., =command | keep=).
 
 * Installation
 To install Keep, you need to have Rust and Cargo installed on your system. You can then build and install Keep using the following commands:
@@ -18,82 +16,84 @@ cargo install --path .
 Keep provides several subcommands to manage temporary files. Below are some examples of how to use Keep.
 
 ** Saving an Item
-To save an item with tags and metadata, you can use the *--save* option:
+To save an item with tags and metadata, you can use the =--save= option:
 
 #+BEGIN_SRC sh
-echo "Hello, world!" | keep --save --tag example --meta key=value
+echo "Hello, world!" | keep --save example --meta key=value
 #+END_SRC
 
 ** Getting an Item
-To retrieve an item by its ID or by matching tags and metadata, you can use the *--get* option:
+To retrieve an item by its ID or by matching tags and metadata, you can use the =--get= option:
 
 #+BEGIN_SRC sh
 keep --get 1
-keep --get --tag example
+keep --get example
 keep --get --meta key=value
+keep 1
+keep example
 #+END_SRC
 
 ** Listing Items
-To list all items or filter them by tags and metadata, you can use the *--list* option:
+To list all items or filter them by tags and metadata, you can use the =--list= option:
 
 #+BEGIN_SRC sh
 keep --list
-keep --list --tag example
+keep --list example
 keep --list --meta key=value
 #+END_SRC
 
 ** Updating an Item
-To update an item's tags and metadata, you can use the *--update* option:
+To update an item's tags and metadata, you can use the =--update= option:
 
 #+BEGIN_SRC sh
-keep --update 1 --tag newtag --meta key=newvalue
+keep --update 1 newtag --meta key=newvalue
 #+END_SRC
 
 ** Deleting an Item
-To delete an item by its ID or by matching tags, you can use the *--delete* option:
+To delete an item by its ID or by matching tags, you can use the =--delete= option:
 
 #+BEGIN_SRC sh
 keep --delete 1
-keep --delete --tag example
+keep --delete example
 #+END_SRC
 
 ** Showing Status
-To show the status of directories and supported compression algorithms, you can use the *--status* option:
+To show the status of directories and supported compression algorithms, you can use the =--status= option:
 
 #+BEGIN_SRC sh
 keep --status
 #+END_SRC
 
 ** Diffing Items
-To show a diff between two items by ID, you can use the *--diff* option:
+To show a diff between two items by ID, you can use the =--diff= option:
 
 #+BEGIN_SRC sh
 keep --diff 1 2
 #+END_SRC
 
 ** Getting Information About an Item
-To get detailed information about an item by its ID or by matching tags and metadata, you can use the *--info* option:
+To get detailed information about an item by its ID or by matching tags and metadata, you can use the =--info= option:
 
 #+BEGIN_SRC sh
 keep --info 1
-keep --info --tag example
+keep --info example
 keep --info --meta key=value
 #+END_SRC
 
 * Configuration
 Keep can be configured using environment variables and command-line options. The following environment variables are supported:
 
-- *KEEP_DIR*: Specify the directory to use for storage.
-- *KEEP_LIST_FORMAT*: A comma-separated list of columns to display with *--list*.
-- *KEEP_DIGEST*: Digest algorithm to use when saving items.
-- *KEEP_COMPRESSION*: Compression algorithm to use when saving items.
+- =KEEP_DIR=: Specify the directory to use for storage.
+- =KEEP_LIST_FORMAT=: A comma-separated list of columns to display with =--list=.
+- =KEEP_DIGEST=: Digest algorithm to use when saving items.
+- =KEEP_COMPRESSION=: Compression algorithm to use when saving items.
 
 * Examples
 Here are some examples of how to use Keep with different options:
 
 ** Saving an Item with Compression and Digest
 #+BEGIN_SRC sh
-echo "Hello, world!" | keep --save --tag example --meta key=value --compression gzip --digest sha256
+echo "Hello, world!" | keep --save example --meta key=value --compression gzip --digest sha256
 #+END_SRC
 
 ** Getting an Item with Human-Readable Sizes
@@ -108,12 +108,12 @@ keep --list --list-format "id,time,size,tags,meta:hostname"
 
 ** Updating an Item with New Tags and Metadata
 #+BEGIN_SRC sh
-keep --update 1 --tag newtag --meta key=newvalue
+keep --update 1 newtag --meta key=newvalue
 #+END_SRC
 
 ** Deleting an Item by Tag
 #+BEGIN_SRC sh
-keep --delete --tag example
+keep --delete example
 #+END_SRC
 
 ** Showing Status with Verbose Output
@@ -128,7 +128,7 @@ keep --diff 1 2
 
 ** Getting Information About an Item with Metadata
 #+BEGIN_SRC sh
-keep --info 1 --meta key=value
+keep --info 1
 #+END_SRC
 
 * License