diff --git a/awk/Cargo.toml b/awk/Cargo.toml
index 4b4eeba1..7a204133 100644
--- a/awk/Cargo.toml
+++ b/awk/Cargo.toml
@@ -7,7 +7,6 @@ edition.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-plib = { path = "../plib" }
 gettext-rs.workspace = true
 clap.workspace = true
 libc.workspace = true
@@ -17,6 +16,9 @@ lazy_static = "1.4"
 lexical = { version = "6.1", features = ["format"] }
 rand = {version = "0.8", default-features = false, features = ["small_rng"] }
 
+[dev-dependencies]
+plib = { path = "../plib" }
+
 [lints]
 workspace = true
 
diff --git a/awk/src/main.rs b/awk/src/main.rs
index ef181334..5118ffdf 100644
--- a/awk/src/main.rs
+++ b/awk/src/main.rs
@@ -11,8 +11,7 @@ use crate::compiler::compile_program;
 use crate::interpreter::interpret;
 use clap::Parser;
 use compiler::SourceFile;
-use gettextrs::{bind_textdomain_codeset, gettext, textdomain};
-use plib::PROJECT_NAME;
+use gettextrs::{bind_textdomain_codeset, gettext, setlocale, textdomain, LocaleCategory};
 use std::error::Error;
 use std::fmt::Display;
 use std::io::Read;
@@ -56,8 +55,9 @@ fn exit_if_error<T, U: Display>(r: Result<T, U>) -> T {
 }
 
 fn main() -> Result<(), Box<dyn Error>> {
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    setlocale(LocaleCategory::LcAll, "");
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
 
     let args = Args::parse();
 
diff --git a/awk/tests/integration.rs b/awk/tests/integration.rs
index 0c4f5bf3..831356c8 100644
--- a/awk/tests/integration.rs
+++ b/awk/tests/integration.rs
@@ -1,4 +1,4 @@
-use plib::{run_test, run_test_with_checker, TestPlan};
+use plib::testing::{run_test, run_test_with_checker, TestPlan};
 
 fn test_awk(args: Vec<String>, expected_output: &str) {
     run_test(TestPlan {
diff --git a/calc/Cargo.toml b/calc/Cargo.toml
index a204a80e..a568378d 100644
--- a/calc/Cargo.toml
+++ b/calc/Cargo.toml
@@ -7,7 +7,6 @@ edition.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-plib = { path = "../plib" }
 gettext-rs.workspace = true
 regex.workspace = true
 clap.workspace = true
@@ -17,6 +16,9 @@ lazy_static = "1.4"
 bigdecimal = "0.4"
 rustyline = { version = "14.0", default-features = false }
 
+[dev-dependencies]
+plib = { path = "../plib" }
+
 [lints]
 workspace = true
 
diff --git a/calc/bc.rs b/calc/bc.rs
index ef0fe5c0..46dc73ca 100644
--- a/calc/bc.rs
+++ b/calc/bc.rs
@@ -16,7 +16,6 @@ use bc_util::{
 use clap::Parser;
 
 use gettextrs::{bind_textdomain_codeset, setlocale, textdomain, LocaleCategory};
-use plib::PROJECT_NAME;
 use rustyline::{error::ReadlineError, DefaultEditor, Result};
 
 mod bc_util;
@@ -45,10 +44,11 @@ fn print_output_or_error(result: ExecutionResult<String>) {
 
 fn main() -> Result<()> {
     setlocale(LocaleCategory::LcAll, "");
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
 
     let args = Args::parse();
+
     let mut interpreter = Interpreter::default();
 
     if args.define_math_functions {
diff --git a/calc/expr.rs b/calc/expr.rs
index e99efd9e..618d7739 100644
--- a/calc/expr.rs
+++ b/calc/expr.rs
@@ -8,7 +8,6 @@
 //
 
 use gettextrs::{bind_textdomain_codeset, setlocale, textdomain, LocaleCategory};
-use plib::PROJECT_NAME;
 use regex::Regex;
 
 #[derive(Clone, Debug, PartialEq)]
@@ -370,10 +369,9 @@ fn eval_expression(tokens: &[Token]) -> Result<Token, &'static str> {
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    // initialize translations
     setlocale(LocaleCategory::LcAll, "");
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
 
     // tokenize and evaluate the expression
     let arg_tokens = tokenize();
diff --git a/calc/tests/bc/mod.rs b/calc/tests/bc/mod.rs
index b2a166e6..b9bf58af 100644
--- a/calc/tests/bc/mod.rs
+++ b/calc/tests/bc/mod.rs
@@ -7,7 +7,7 @@
 // SPDX-License-Identifier: MIT
 //
 
-use plib::{run_test, TestPlan};
+use plib::testing::{run_test, TestPlan};
 
 fn test_bc(program: &str, expected_output: &str) {
     run_test(TestPlan {
diff --git a/calc/tests/expr/mod.rs b/calc/tests/expr/mod.rs
index ee7eaee5..8cb428c2 100644
--- a/calc/tests/expr/mod.rs
+++ b/calc/tests/expr/mod.rs
@@ -7,7 +7,7 @@
 // SPDX-License-Identifier: MIT
 //
 
-use plib::{run_test, TestPlan};
+use plib::testing::{run_test, TestPlan};
 
 fn expr_test(args: &[&str], expected_output: &str) {
     let str_args: Vec<String> = args.iter().map(|s| String::from(*s)).collect();
diff --git a/dev/Cargo.toml b/dev/Cargo.toml
index 7ac48cb0..faebcd67 100644
--- a/dev/Cargo.toml
+++ b/dev/Cargo.toml
@@ -8,13 +8,15 @@ edition.workspace = true
 rust-version.workspace = true
 
 [dependencies]
-plib = { path = "../plib" }
 clap.workspace = true
 gettext-rs.workspace = true
 object =  { version = "0.35", features = ["read", "build", "elf"]}
 chrono.workspace = true
 ar = "0.9"
 
+[dev-dependencies]
+plib = { path = "../plib" }
+
 [lints]
 workspace = true
 
diff --git a/dev/nm.rs b/dev/nm.rs
index ebae7ad8..2cb23893 100644
--- a/dev/nm.rs
+++ b/dev/nm.rs
@@ -18,7 +18,6 @@ use object::{
 
 use clap::{Parser, ValueEnum};
 use gettextrs::{bind_textdomain_codeset, setlocale, textdomain, LocaleCategory};
-use plib::PROJECT_NAME;
 use std::collections::HashMap;
 use std::fs;
 
@@ -143,12 +142,11 @@ fn show_object_file(args: &Args) -> Result<(), Box<dyn std::error::Error>> {
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    // parse command line arguments
-    let args = Args::parse();
-
     setlocale(LocaleCategory::LcAll, "");
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
+
+    let args = Args::parse();
 
     show_object_file(&args)?;
 
diff --git a/dev/strings.rs b/dev/strings.rs
index 7666cb32..f46164f9 100644
--- a/dev/strings.rs
+++ b/dev/strings.rs
@@ -12,7 +12,6 @@ use std::ffi::OsString;
 use clap::{Parser, ValueEnum};
 use gettextrs::{bind_textdomain_codeset, setlocale, textdomain, LocaleCategory};
 use object::{Object, ObjectSection};
-use plib::PROJECT_NAME;
 
 #[derive(Clone, Copy, ValueEnum)]
 enum OffsetFormat {
@@ -188,10 +187,11 @@ where
 
 fn main() -> StringsResult {
     setlocale(LocaleCategory::LcAll, "");
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
 
     let args = Args::parse();
+
     match CharacterSet::from_env() {
         CharacterSet::Utf8 => {
             for file in args.input_files {
diff --git a/dev/strip.rs b/dev/strip.rs
index e6eaa471..f3b210c7 100644
--- a/dev/strip.rs
+++ b/dev/strip.rs
@@ -7,11 +7,6 @@
 // SPDX-License-Identifier: MIT
 //
 
-use std::{
-    ffi::{OsStr, OsString},
-    io::Read,
-};
-
 use clap::Parser;
 use gettextrs::{bind_textdomain_codeset, gettext, setlocale, textdomain, LocaleCategory};
 use object::{
@@ -19,7 +14,10 @@ use object::{
     build::elf::{Builder, Section, SectionData},
     elf,
 };
-use plib::PROJECT_NAME;
+use std::{
+    ffi::{OsStr, OsString},
+    io::Read,
+};
 
 #[derive(Parser)]
 #[command(version, about = gettext("strip - remove unnecessary information from strippable files"))]
@@ -145,10 +143,11 @@ fn strip_file(file: &OsStr) {
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
     setlocale(LocaleCategory::LcAll, "");
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
 
     let args = Args::parse();
+
     for file in args.input_files {
         strip_file(&file);
     }
diff --git a/dev/tests/dev-tests.rs b/dev/tests/dev-tests.rs
index 89485119..835d3f30 100644
--- a/dev/tests/dev-tests.rs
+++ b/dev/tests/dev-tests.rs
@@ -1,5 +1,5 @@
 use object::{Object, ObjectSection, ObjectSymbol};
-use plib::{run_test, run_test_with_checker, TestPlan};
+use plib::testing::{run_test, run_test_with_checker, TestPlan};
 use std::fs;
 
 fn ar_compare_test(
diff --git a/i18n/gencat.rs b/i18n/gencat.rs
index 65fd0c10..5021ce90 100644
--- a/i18n/gencat.rs
+++ b/i18n/gencat.rs
@@ -1,7 +1,7 @@
 use byteorder::{BigEndian, ByteOrder, LittleEndian, NativeEndian, WriteBytesExt};
 use clap::Parser;
 use gettextrs::{bind_textdomain_codeset, gettext, setlocale, textdomain, LocaleCategory};
-use plib::PROJECT_NAME;
+use plib::io::input_stream;
 use std::{
     cell::RefCell,
     collections::BTreeMap,
@@ -295,7 +295,7 @@ impl MessageCatalog {
         input_path: &PathBuf,
         catfile_catalog: Option<MessageCatalog>,
     ) -> Result<Self, Box<dyn std::error::Error>> {
-        let mut file = plib::io::input_stream(input_path, true)?;
+        let mut file = input_stream(input_path, true)?;
 
         let mut input = String::new();
         file.read_to_string(&mut input)?;
@@ -774,11 +774,11 @@ impl MessageCatalog {
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let args = Args::parse();
-
     setlocale(LocaleCategory::LcAll, "");
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
+
+    let args = Args::parse();
 
     let mut exit_code = 0;
 
diff --git a/i18n/iconv.rs b/i18n/iconv.rs
index 5636ed28..4ddae8d8 100644
--- a/i18n/iconv.rs
+++ b/i18n/iconv.rs
@@ -15,7 +15,7 @@ use iconv_lib::{
     utf_32::{self, UTF32Variant},
     utf_8,
 };
-use plib::PROJECT_NAME;
+use plib::io::input_stream;
 use std::{
     collections::HashMap,
     env,
@@ -480,11 +480,11 @@ fn charmap_conversion(
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let args = Args::parse();
-
     setlocale(LocaleCategory::LcAll, "");
-    textdomain(PROJECT_NAME)?;
-    bind_textdomain_codeset(PROJECT_NAME, "UTF-8")?;
+    textdomain(env!("PROJECT_NAME"))?;
+    bind_textdomain_codeset(env!("PROJECT_NAME"), "UTF-8")?;
+
+    let args = Args::parse();
 
     if args.list_codesets {
         list_encodings();
@@ -517,7 +517,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     let inputs: Vec<Box<dyn Read>> = match args.files {
         Some(files) => files
             .into_iter()
-            .map(|file| plib::io::input_stream(&file, true))
+            .map(|file| input_stream(&file, true))
             .collect::<Result<Vec<_>, _>>()?,
         None => vec![Box::new(io::stdin().lock())],
     };
diff --git a/i18n/tests/gencat/mod.rs b/i18n/tests/gencat/mod.rs
index a1f57b7c..5c4fbf0a 100644
--- a/i18n/tests/gencat/mod.rs
+++ b/i18n/tests/gencat/mod.rs
@@ -7,7 +7,7 @@
 // SPDX-License-Identifier: MIT
 //
 
-use plib::{run_test_u8, TestPlanU8};
+use plib::testing::{run_test_u8, TestPlanU8};
 use std::env;
 use std::path::PathBuf;
 use std::{fs::File, io::Read};
diff --git a/i18n/tests/iconv/mod.rs b/i18n/tests/iconv/mod.rs
index 2c3342dc..47b63ca7 100644
--- a/i18n/tests/iconv/mod.rs
+++ b/i18n/tests/iconv/mod.rs
@@ -8,7 +8,7 @@
 //
 
 #![allow(non_snake_case)]
-use plib::{run_test_u8, TestPlanU8};
+use plib::testing::{run_test_u8, TestPlanU8};
 use std::env;
 use std::path::PathBuf;
 use std::{fs::File, io::Read};
diff --git a/plib/src/io.rs b/plib/src/io.rs
index 969d4336..253763f4 100644
--- a/plib/src/io.rs
+++ b/plib/src/io.rs
@@ -11,8 +11,8 @@ use std::fs;
 use std::io::{self, Read};
 use std::path::PathBuf;
 
+/// open file, or stdin
 pub fn input_stream(pathname: &PathBuf, dashed_stdin: bool) -> io::Result<Box<dyn Read>> {
-    // open file, or stdin
     let path_str = pathname.as_os_str();
     let file: Box<dyn Read> =
         if (dashed_stdin && path_str == "-") || (!dashed_stdin && path_str.is_empty()) {