diff --git a/src/parse.rs b/src/cli.rs
similarity index 67%
rename from src/parse.rs
rename to src/cli.rs
index fe35509..252de45 100644
--- a/src/parse.rs
+++ b/src/cli.rs
@@ -1,12 +1,9 @@
 //! Utilities for reading the command line arguments
 
 use crate::logging::*;
-use crate::regexes::*;
 use clap::Parser;
-use log::Level::{Error, Trace};
+use log::Level::Error;
 use log::LevelFilter;
-use std::fs;
-use std::io::Read;
 
 /// Command line arguments
 #[allow(missing_docs)]
@@ -112,48 +109,3 @@ impl Cli {
         }
     }
 }
-
-/// Add a missing extension and read the file
-pub fn read(file: &str, logs: &mut Vec<Log>) -> Option<(String, String)> {
-    // check if file has an accepted extension
-    let has_ext = EXTENSIONS.iter().any(|e| file.ends_with(e));
-    // if no valid extension, try adding .tex
-    let mut new_file = file.to_owned();
-    if !has_ext {
-        new_file.push_str(".tex");
-    };
-    if let Ok(text) = fs::read_to_string(&new_file) {
-        return Some((new_file, text));
-    }
-    if has_ext {
-        record_file_log(logs, Error, file, "Could not open file.");
-    } else {
-        record_file_log(logs, Error, file, "File type invalid.");
-    }
-    None
-}
-
-/// Attempt to read from STDIN, return filename `<STDIN>` and text
-pub fn read_stdin(logs: &mut Vec<Log>) -> Option<(String, String)> {
-    let mut text = String::new();
-    match std::io::stdin().read_to_string(&mut text) {
-        Ok(bytes) => {
-            record_file_log(
-                logs,
-                Trace,
-                "<STDIN>",
-                &format!("Read {bytes} bytes."),
-            );
-            Some((String::from("<STDIN>"), text))
-        }
-        Err(e) => {
-            record_file_log(
-                logs,
-                Error,
-                "<STDIN>",
-                &format!("Could not read from STDIN: {e}"),
-            );
-            None
-        }
-    }
-}
diff --git a/src/format.rs b/src/format.rs
index 5281705..e797bf4 100644
--- a/src/format.rs
+++ b/src/format.rs
@@ -3,7 +3,7 @@
 use crate::ignore::*;
 use crate::indent::*;
 use crate::logging::*;
-use crate::parse::*;
+use crate::cli::*;
 use crate::regexes::{ENV_BEGIN, ENV_END, ITEM};
 use crate::subs::*;
 use crate::verbatim::*;
diff --git a/src/indent.rs b/src/indent.rs
index 01294bb..e3b04d3 100644
--- a/src/indent.rs
+++ b/src/indent.rs
@@ -4,7 +4,7 @@ use crate::comments::*;
 use crate::format::*;
 use crate::ignore::*;
 use crate::logging::*;
-use crate::parse::*;
+use crate::cli::*;
 use crate::regexes::*;
 use crate::verbatim::*;
 use core::cmp::max;
diff --git a/src/main.rs b/src/main.rs
index a9d7dfd..3620c6b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,7 +20,8 @@ mod format;
 mod ignore;
 mod indent;
 mod logging;
-mod parse;
+mod cli;
+mod read;
 mod regexes;
 mod subs;
 mod verbatim;
@@ -28,7 +29,8 @@ mod wrap;
 mod write;
 use crate::format::*;
 use crate::logging::*;
-use crate::parse::*;
+use crate::cli::*;
+use crate::read::*;
 use crate::write::*;
 
 #[cfg(test)]
diff --git a/src/read.rs b/src/read.rs
new file mode 100644
index 0000000..79e1da2
--- /dev/null
+++ b/src/read.rs
@@ -0,0 +1,50 @@
+use crate::logging::*;
+use crate::regexes::*;
+use log::Level::{Error, Trace};
+use std::io::Read;
+use std::fs;
+
+/// Add a missing extension and read the file
+pub fn read(file: &str, logs: &mut Vec<Log>) -> Option<(String, String)> {
+    // check if file has an accepted extension
+    let has_ext = EXTENSIONS.iter().any(|e| file.ends_with(e));
+    // if no valid extension, try adding .tex
+    let mut new_file = file.to_owned();
+    if !has_ext {
+        new_file.push_str(".tex");
+    };
+    if let Ok(text) = fs::read_to_string(&new_file) {
+        return Some((new_file, text));
+    }
+    if has_ext {
+        record_file_log(logs, Error, file, "Could not open file.");
+    } else {
+        record_file_log(logs, Error, file, "File type invalid.");
+    }
+    None
+}
+
+/// Attempt to read from STDIN, return filename `<STDIN>` and text
+pub fn read_stdin(logs: &mut Vec<Log>) -> Option<(String, String)> {
+    let mut text = String::new();
+    match std::io::stdin().read_to_string(&mut text) {
+        Ok(bytes) => {
+            record_file_log(
+                logs,
+                Trace,
+                "<STDIN>",
+                &format!("Read {bytes} bytes."),
+            );
+            Some((String::from("<STDIN>"), text))
+        }
+        Err(e) => {
+            record_file_log(
+                logs,
+                Error,
+                "<STDIN>",
+                &format!("Could not read from STDIN: {e}"),
+            );
+            None
+        }
+    }
+}
diff --git a/src/wrap.rs b/src/wrap.rs
index 81e930f..00de13a 100644
--- a/src/wrap.rs
+++ b/src/wrap.rs
@@ -3,7 +3,7 @@
 use crate::comments::*;
 use crate::format::*;
 use crate::logging::*;
-use crate::parse::*;
+use crate::cli::*;
 use log::Level::{Trace, Warn};
 
 /// Check if a line needs wrapping
diff --git a/src/write.rs b/src/write.rs
index be522f8..4ccce81 100644
--- a/src/write.rs
+++ b/src/write.rs
@@ -2,7 +2,7 @@
 
 use crate::fs;
 use crate::logging::*;
-use crate::parse::*;
+use crate::cli::*;
 use log::Level::Error;
 use std::path;