diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..4fd7cf7
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,25 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "serde"
+version = "1.0.148"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e53f64bb4ba0191d6d0676e1b141ca55047d83b74f5607e6d8eb88126c52c2dc"
+
+[[package]]
+name = "tomcat"
+version = "0.0.1"
+dependencies = [
+ "toml",
+]
+
+[[package]]
+name = "toml"
+version = "0.5.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+dependencies = [
+ "serde",
+]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..1ae6881
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,45 @@
+// Copyright (c) 2022 Emma Tebibyte
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
+/* Tomcat is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Affero General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or (at your
+ * option) any later version.
+ * 
+ * Tomcat is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see https://www.gnu.org/licenses/.
+ */
+
+use std::env;
+use std::fs::File;
+use std::io::Read;
+use std::path::Path;
+
+use toml::Value;
+
+fn main() {
+  let arguments: Vec<String> = env::args().collect();
+  let argv0 = &arguments[0];
+  let input = &arguments[2];
+  let mut content = String::new();
+  
+  let file = Path::new(&input);
+  if file.is_file() {
+    let mut content = String::new();
+    File::open(file).expect("").read_to_string(&mut content).unwrap();
+    println!("{}", content);
+  } else { content = input.to_string(); }
+
+  let keyval: Vec<&str> = arguments[1].split(".").collect();
+  let mut toml = content.parse::<Value>().unwrap();
+
+  match toml.get(keyval[1]) {
+    Some(value) => println!("{}", value),
+    None => println!("{}: {}: No such table or key.", argv0, arguments[1]),
+  };
+}
diff --git a/tomcat b/tomcat
deleted file mode 100755
index f59bac2..0000000
--- a/tomcat
+++ /dev/null
@@ -1,73 +0,0 @@
-#!/bin/sh
-
-set -e
-
-argv0="$0"
-argv1="$1"
-argv2="$2"
-
-# check usage
-if ! test -n "$1"; then
-  printf "Usage: %s [OPTIONS] [TABLE.KEY[INDEX]] [FILE]\n" "$0" 1>&2
-  exit 64 # sysexits(3) EX_USAGE
-fi
-
-# test if input has a period
-if test -n "$(printf "%s\n" "$argv1" | sed -n '/.*\..*/p')"; then
-  # cut out everything beyond the first period for TABLE
-  TABLE=$(printf "%s\n" "$argv1" | sed -n 's/\..*//p')
-
-  # cut out everything before the first period for KEY
-  KEY=$(printf "%s\n" "$argv1" | sed -n 's/^[^.]*\.//p')
-  ! test -n "$KEY" &&\
-    printf "%s: No key specified\n" "$argv0" 1>&2 &&\
-    exit 65 # sysexits(3) EX_DATAERR
-else
-  printf "%s: No key specified\n" "$argv0" 1>&2
-  exit 65 # sysexits(3) EX_DATAERR
-fi
-
-# remove array index from KEY
-KEY=$(printf "%s\n" "$KEY" | sed 's/\[.*\]//g')
-# set ARR to the array index
-ARR=$(printf "%s\n" "$argv1" | sed -n 's/.\+\[//p' | tr -d ']')
-
-# test if argument 2 is a file or not
-if test -e "$argv2"; then
-  # set TOML to the text from the file
-  TOML=$(sed 's/[^"#]#\+.*//g' <"$argv2" | sed 's/^#.*//g' )
-else
-  # set TOML to the text from stdin
-  TOML=$(printf "%s\n" "$argv2" | sed 's/[^"#]#\+.*//g')
-fi
-
-if test -n "$TABLE"; then
-  KEYS=$(printf "%s\n" "$TOML" |\
-        # output only lines between TABLE and the next table
-          awk "/^\[$TABLE\]/{flag=1; next} /^\[/{flag=0} flag" - )
-else
-  KEYS=$(printf "%s\n" "$TOML" |\
-        # output only lines before the first table
-          awk '1;/^\[/{exit}' - | sed -n '/^[^[]/p')
-fi
-
-# set VAL to the parsed KEYS list
-VAL=$(printf "%s\n" "$KEYS" |\
-        # remove the key from the string and delineate arrays, removing
-        # brackets, trailing commas, and leading spaces
-        sed -n "s/$KEY *= *//p" | sed 's/", "/	/g' | tr -d '[]"' |\
-        sed 's/, *$//g' | sed 's/^ \+//g' | sed 's/ \+$//g')
-
-# test if ARR is set; if it is, then we have an array index to grab
-if test -n "$ARR"; then
-  # change the line delineator to newlines for parsing and output the result
-  printf "%s\n" "$VAL" | sed 's/	/\n/g' | head -n "$ARR" |\
-    tail -n 1
-elif !  test -n "$VAL"; then
-  printf "%s: %s: No such key or table\n" "$argv0" "$argv1" 1>&2
-  exit 65 # sysexits(3) EX_DATAERR
-else
-  printf "%s\n" "$VAL"
-fi
-
-exit 0