diff --git a/.idea/misc.xml b/.idea/misc.xml
index 639900d..e149238 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,5 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="PDMPlugin">
+    <option name="skipTestSources" value="false" />
+  </component>
   <component name="ProjectRootManager">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
deleted file mode 100644
index 797acea..0000000
--- a/.idea/runConfigurations.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="com.android.tools.idea.compose.preview.runconfiguration.ComposePreviewRunConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/README.md b/README.md
index 7b2cc6c..b2a8aa6 100644
--- a/README.md
+++ b/README.md
@@ -13,10 +13,11 @@ A [Dart](https://dart.dev/) command-line and library implementation of the stand
 
 ## Command-Line Usage
 
-```sh
+```console
 dcat --help
 ```
-```
+
+```text
 Usage: dcat [OPTION]... [FILE]...
 Concatenate FILE(s) to standard output.
 
@@ -38,20 +39,24 @@ Examples:
   dcat f - g  Output f's contents, then standard input, then g's contents.
   dcat        Copy standard input to standard output.
   ```
+
 ## Compile Standalone Application
   
 ### Linux / MacOS
-```sh
+
+```console
 dart compile exe -o bin/dcat bin/dcat.dart
 ```
 
 ### Windows
-```cmd
+
+```console
 dart compile exe bin/dcat.dart
 ```
 
 ## Library Usage
-```sh
+
+```console
 dart pub add dcat
 ```
 
@@ -66,11 +71,12 @@ if (result.isFailure) {
   }
 }
 ```
+
 [View Full Instructions](https://pub.dev/packages/dcat/install)
 
 The `cat` function supports the following parameters:
 
-Parameter        | Description                   |  Type    
+Parameter        | Description                   |  Type
 :--------------- |:----------------------------- | :-------------------
 paths            | The file paths.               | String[]
 output           | The standard output or file.  | [IOSink](https://api.dart.dev/dart-io/IOSink-class.html)
diff --git a/bin/dcat.dart b/bin/dcat.dart
index fed17f8..11bf342 100644
--- a/bin/dcat.dart
+++ b/bin/dcat.dart
@@ -127,7 +127,7 @@ Future<ArgParser> setupArgsParser() async {
 // Prints an error to stderr.
 Future<void> printError(CatError error) async {
   stderr.writeln(
-      '$appName: ' + (error.hasPath ? '${error.path}: ' : '') + error.message);
+      '$appName: ${error.hasPath ? '${error.path}: ' : ''}${error.message}');
 }
 
 // Prints the version info.
diff --git a/coverage.sh b/coverage.sh
index d6ec905..8696b3c 100755
--- a/coverage.sh
+++ b/coverage.sh
@@ -1,4 +1,4 @@
- dart run test --coverage=coverage
- dart run coverage:format_coverage --lcov --in=coverage --out=coverage/lcov.info --packages=.packages --report-on=lib,bin
- genhtml -o coverage coverage/lcov.info 
- open coverage/index.html 2> /dev/null
+dart run test --coverage=coverage
+dart run coverage:format_coverage --lcov --in=coverage --out=coverage/lcov.info --packages=.dart_tool/package_config.json --report-on=lib,bin
+genhtml -o coverage coverage/lcov.info
+open coverage/index.html 2>/dev/null
diff --git a/docs.sh b/docs.sh
index e44b87e..47edde0 100755
--- a/docs.sh
+++ b/docs.sh
@@ -1,2 +1,2 @@
- dartdoc 
- open doc/api/index.html 2> /dev/null
+dart doc
+xdg-open doc/api/index.html 2>/dev/null
diff --git a/pubspec.lock b/pubspec.lock
index 23a1865..7ab63e9 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -5,344 +5,377 @@ packages:
     dependency: transitive
     description:
       name: _fe_analyzer_shared
-      url: "https://pub.dartlang.org"
+      sha256: "36a321c3d2cbe01cbcb3540a87b8843846e0206df3e691fa7b23e19e78de6d49"
+      url: "https://pub.dev"
     source: hosted
-    version: "34.0.0"
+    version: "65.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
-      url: "https://pub.dartlang.org"
+      sha256: dfe03b90ec022450e22513b5e5ca1f01c0c01de9c3fba2f7fd233cb57a6b9a07
+      url: "https://pub.dev"
     source: hosted
-    version: "3.2.0"
+    version: "6.3.0"
   args:
     dependency: "direct main"
     description:
       name: args
-      url: "https://pub.dartlang.org"
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
     source: hosted
-    version: "2.3.0"
+    version: "2.4.2"
   async:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.8.2"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
-  cli_util:
-    dependency: transitive
-    description:
-      name: cli_util
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.3.5"
+    version: "2.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.18.0"
   convert:
     dependency: transitive
     description:
       name: convert
-      url: "https://pub.dartlang.org"
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.1.1"
   coverage:
     dependency: transitive
     description:
       name: coverage
-      url: "https://pub.dartlang.org"
+      sha256: "8acabb8306b57a409bf4c83522065672ee13179297a6bb0cb9ead73948df7c76"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.7.2"
   crypto:
     dependency: transitive
     description:
       name: crypto
-      url: "https://pub.dartlang.org"
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.3"
   file:
     dependency: transitive
     description:
       name: file
-      url: "https://pub.dartlang.org"
+      sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c"
+      url: "https://pub.dev"
     source: hosted
-    version: "6.1.2"
+    version: "7.0.0"
   frontend_server_client:
     dependency: transitive
     description:
       name: frontend_server_client
-      url: "https://pub.dartlang.org"
+      sha256: "408e3ca148b31c20282ad6f37ebfa6f4bdc8fede5b74bc2f08d9d92b55db3612"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "3.2.0"
   glob:
     dependency: transitive
     description:
       name: glob
-      url: "https://pub.dartlang.org"
+      sha256: "0e7014b3b7d4dac1ca4d6114f82bf1782ee86745b9b42a92c9289c23d8a0ab63"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.2"
+    version: "2.1.2"
   http_multi_server:
     dependency: transitive
     description:
       name: http_multi_server
-      url: "https://pub.dartlang.org"
+      sha256: "97486f20f9c2f7be8f514851703d0119c3596d14ea63227af6f7a481ef2b2f8b"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.2.1"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
-      url: "https://pub.dartlang.org"
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
     source: hosted
-    version: "4.0.0"
+    version: "4.0.2"
   indent:
     dependency: "direct main"
     description:
       name: indent
-      url: "https://pub.dartlang.org"
+      sha256: "819319a5c185f7fe412750c798953378b37a0d0d32564ce33e7c5acfd1372d2a"
+      url: "https://pub.dev"
     source: hosted
     version: "2.0.0"
   io:
     dependency: transitive
     description:
       name: io
-      url: "https://pub.dartlang.org"
+      sha256: "2ec25704aba361659e10e3e5f5d672068d332fc8ac516421d483a11e5cbd061e"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.3"
+    version: "1.0.4"
   js:
     dependency: transitive
     description:
       name: js
-      url: "https://pub.dartlang.org"
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.dev"
     source: hosted
-    version: "0.6.3"
+    version: "0.6.7"
   lints:
     dependency: "direct dev"
     description:
       name: lints
-      url: "https://pub.dartlang.org"
+      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.1"
+    version: "2.1.1"
   logging:
     dependency: transitive
     description:
       name: logging
-      url: "https://pub.dartlang.org"
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.2"
+    version: "1.2.0"
   matcher:
     dependency: transitive
     description:
       name: matcher
-      url: "https://pub.dartlang.org"
+      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      url: "https://pub.dev"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.16+1"
   meta:
     dependency: transitive
     description:
       name: meta
-      url: "https://pub.dartlang.org"
+      sha256: d584fa6707a52763a52446f02cc621b077888fb63b93bbcb1143a7be5a0c0c04
+      url: "https://pub.dev"
     source: hosted
-    version: "1.7.0"
+    version: "1.11.0"
   mime:
     dependency: transitive
     description:
       name: mime
-      url: "https://pub.dartlang.org"
+      sha256: e4ff8e8564c03f255408decd16e7899da1733852a9110a58fe6d1b817684a63e
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.4"
   node_preamble:
     dependency: transitive
     description:
       name: node_preamble
-      url: "https://pub.dartlang.org"
+      sha256: "6e7eac89047ab8a8d26cf16127b5ed26de65209847630400f9aefd7cd5c730db"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.1"
+    version: "2.0.2"
   package_config:
     dependency: transitive
     description:
       name: package_config
-      url: "https://pub.dartlang.org"
+      sha256: "1c5b77ccc91e4823a5af61ee74e6b972db1ef98c2ff5a18d3161c982a55448bd"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.0.2"
+    version: "2.1.0"
   path:
     dependency: transitive
     description:
       name: path
-      url: "https://pub.dartlang.org"
+      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.1"
+    version: "1.9.0"
   pool:
     dependency: transitive
     description:
       name: pool
-      url: "https://pub.dartlang.org"
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.5.0"
+    version: "1.5.1"
   pub_semver:
     dependency: transitive
     description:
       name: pub_semver
-      url: "https://pub.dartlang.org"
+      sha256: "40d3ab1bbd474c4c2328c91e3a7df8c6dd629b79ece4c4bd04bee496a224fb0c"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.4"
   shelf:
     dependency: transitive
     description:
       name: shelf
-      url: "https://pub.dartlang.org"
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.4.1"
   shelf_packages_handler:
     dependency: transitive
     description:
       name: shelf_packages_handler
-      url: "https://pub.dartlang.org"
+      sha256: "89f967eca29607c933ba9571d838be31d67f53f6e4ee15147d5dc2934fee1b1e"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.0.0"
+    version: "3.0.2"
   shelf_static:
     dependency: transitive
     description:
       name: shelf_static
-      url: "https://pub.dartlang.org"
+      sha256: a41d3f53c4adf0f57480578c1d61d90342cd617de7fc8077b1304643c2d85c1e
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.2"
   shelf_web_socket:
     dependency: transitive
     description:
       name: shelf_web_socket
-      url: "https://pub.dartlang.org"
+      sha256: "9ca081be41c60190ebcb4766b2486a7d50261db7bd0f5d9615f2d653637a84c1"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.1"
+    version: "1.0.4"
   source_map_stack_trace:
     dependency: transitive
     description:
       name: source_map_stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: "84cf769ad83aa6bb61e0aa5a18e53aea683395f196a6f39c4c881fb90ed4f7ae"
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.1"
   source_maps:
     dependency: transitive
     description:
       name: source_maps
-      url: "https://pub.dartlang.org"
+      sha256: "708b3f6b97248e5781f493b765c3337db11c5d2c81c3094f10904bfa8004c703"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.10.10"
+    version: "0.10.12"
   source_span:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.8.2"
+    version: "1.10.0"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: "73713990125a6d93122541237550ee3352a2d84baad52d375a4cad2eb9b7ce0b"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.10.0"
+    version: "1.11.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.1.2"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.dev"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test:
     dependency: "direct dev"
     description:
       name: test
-      url: "https://pub.dartlang.org"
+      sha256: "3d028996109ad5c253674c7f347822fb994a087614d6f353e6039704b4661ff2"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.20.1"
+    version: "1.25.0"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
+      sha256: "9955ae474176f7ac8ee4e989dadfb411a58c30415bcfb648fa04b2b8a03afa7f"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.9"
+    version: "0.7.0"
   test_core:
     dependency: transitive
     description:
       name: test_core
-      url: "https://pub.dartlang.org"
+      sha256: "2bc4b4ecddd75309300d8096f781c0e3280ca1ef85beda558d33fcbedc2eead4"
+      url: "https://pub.dev"
     source: hosted
-    version: "0.4.11"
+    version: "0.6.0"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
-      url: "https://pub.dartlang.org"
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.2"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
-      url: "https://pub.dartlang.org"
+      sha256: a2662fb1f114f4296cf3f5a50786a2d888268d7776cf681aa17d660ffa23b246
+      url: "https://pub.dev"
     source: hosted
-    version: "8.1.0"
+    version: "14.0.0"
   watcher:
     dependency: transitive
     description:
       name: watcher
-      url: "https://pub.dartlang.org"
+      sha256: "3d2ad6751b3c16cf07c7fca317a1413b3f26530319181b37e3b9039b84fc01d8"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.1"
+    version: "1.1.0"
   web_socket_channel:
     dependency: transitive
     description:
       name: web_socket_channel
-      url: "https://pub.dartlang.org"
+      sha256: d88238e5eac9a42bb43ca4e721edba3c08c6354d4a53063afaa568516217621b
+      url: "https://pub.dev"
     source: hosted
-    version: "2.1.0"
+    version: "2.4.0"
   webkit_inspection_protocol:
     dependency: transitive
     description:
       name: webkit_inspection_protocol
-      url: "https://pub.dartlang.org"
+      sha256: "87d3f2333bb240704cd3f1c6b5b7acd8a10e7f0bc28c28dcf14e782014f4a572"
+      url: "https://pub.dev"
     source: hosted
-    version: "1.0.0"
+    version: "1.2.1"
   yaml:
     dependency: transitive
     description:
       name: yaml
-      url: "https://pub.dartlang.org"
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
     source: hosted
-    version: "3.1.0"
+    version: "3.1.2"
 sdks:
-  dart: ">=2.15.1 <3.0.0"
+  dart: ">=3.0.0 <4.0.0"
diff --git a/pubspec.yaml b/pubspec.yaml
index cc2fc94..6c05053 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -8,7 +8,7 @@ environment:
   sdk: '>=2.15.1 <3.0.0'
 
 dev_dependencies:
-  lints: ^1.0.0
+  lints: ^2.0.0
   test: ^1.18.2
 dependencies:
   args: ^2.3.0