implement outputting values of keys not in tables

README.md

@@ -0,0 +1,10 @@
+`tomcat` – a [TOML](https://toml.io) parser in POSIX shell
+
+## Installation
+
+### From Source
+
+Clone this repository and move the `tomcat` binary wherever your operating
+system stores locally-installed binaries. This is usually `/usr/local/bin` or
+`$HOME/.local/bin` for your user. Make sure the installation location is in your
+`$PATH`.

tomcat

@@ -2,18 +2,13 @@
 
 set -e
 
-ARG="$(printf "%s\n" "$1" | sed -n '/-/p')"
+argv1="$1"
+argv2="$2"
 
 # check usage
 if ! test -n "$1"; then
 	printf "Usage: %s [OPTIONS] [TABLE.KEY[INDEX]] [FILE]\n" "$0" 1>&2
 	exit 64 # sysexits(3) EX_USAGE
-elif test -n "$ARG"; then
-	argv1="$2"
-	argv2="$3"
-else
-	argv1="$1"
-	argv2="$2"
 fi
 
 # test if input has a period