diff --git a/crates/dtmt/src/cmd/bundle/inject.rs b/crates/dtmt/src/cmd/bundle/inject.rs
index 2b86691..4e5cbac 100644
--- a/crates/dtmt/src/cmd/bundle/inject.rs
+++ b/crates/dtmt/src/cmd/bundle/inject.rs
@@ -3,19 +3,28 @@ use std::path::PathBuf;
 use clap::{value_parser, Arg, ArgMatches, Command};
 use color_eyre::eyre::{self, Context, Result};
 use color_eyre::Help;
+use sdk::murmur::IdString64;
 use sdk::Bundle;
 use tokio::fs::{self, File};
 use tokio::io::AsyncReadExt;
 
 pub(crate) fn command_definition() -> Command {
     Command::new("inject")
-        .about("Inject a file into a bundle.")
+        .about("Inject a file into a bundle.\n\
+            Raw binary data can be used to directly replace the file's variant data blob without affecting the metadata.\n\
+            Alternatively, a compiler format may be specified, and a complete bundle file is created.")
         .arg(
             Arg::new("replace")
-                .help("The name of a file in the bundle whos content should be replaced.")
+                .help("The name of a file in the bundle whose content should be replaced.")
                 .short('r')
                 .long("replace"),
         )
+        .arg(
+            Arg::new("compile")
+                .help("Compile the file with the given data format before injecting.")
+                .long("compile")
+                .short('c')
+        )
         .arg(
             Arg::new("output")
                 .help(
@@ -58,55 +67,60 @@ pub(crate) async fn run(ctx: sdk::Context, matches: &ArgMatches) -> Result<()> {
         Bundle::from_binary(&ctx, name, binary).wrap_err("Failed to open bundle file")?
     };
 
-    if let Some(name) = matches.get_one::<String>("replace") {
-        let mut file = File::open(&file_path)
+    let name = match matches.get_one::<String>("replace") {
+        Some(name) => match u64::from_str_radix(name, 16) {
+            Ok(id) => IdString64::from(id),
+            Err(_) => IdString64::String(name.clone()),
+        },
+        None => eyre::bail!("Currently, only the '--replace' operation is supported."),
+    };
+
+    let mut file = File::open(&file_path)
+        .await
+        .wrap_err_with(|| format!("Failed to open '{}'", file_path.display()))?;
+
+    if let Some(variant) = bundle
+        .files_mut()
+        .filter(|file| file.matches_name(name.clone()))
+        // TODO: Handle file variants
+        .find_map(|file| file.variants_mut().next())
+    {
+        let mut data = Vec::new();
+        file.read_to_end(&mut data)
             .await
-            .wrap_err_with(|| format!("Failed to open '{}'", file_path.display()))?;
-
-        if let Some(variant) = bundle
-            .files_mut()
-            .filter(|file| file.matches_name(name.clone()))
-            // TODO: Handle file variants
-            .find_map(|file| file.variants_mut().next())
-        {
-            let mut data = Vec::new();
-            file.read_to_end(&mut data)
-                .await
-                .wrap_err("Failed to read input file")?;
-            variant.set_data(data);
-        } else {
-            let err = eyre::eyre!("No file '{}' in this bundle.", name)
-                .with_suggestion(|| {
-                    format!(
-                        "Run '{} bundle list {}' to list the files in this bundle.",
-                        clap::crate_name!(),
-                        bundle_path.display()
-                    )
-                })
-                .with_suggestion(|| {
-                    format!(
-                        "Use '{} bundle inject --add {} {} {}' to add it as a new file",
-                        clap::crate_name!(),
-                        name,
-                        bundle_path.display(),
-                        file_path.display()
-                    )
-                });
-
-            return Err(err);
-        }
-
-        let out_path = matches.get_one::<PathBuf>("output").unwrap_or(bundle_path);
-        let data = bundle
-            .to_binary()
-            .wrap_err("Failed to write changed bundle to output")?;
-
-        fs::write(out_path, &data)
-            .await
-            .wrap_err("Failed to write data to output file")?;
-
-        Ok(())
+            .wrap_err("Failed to read input file")?;
+        variant.set_data(data);
     } else {
-        eyre::bail!("Currently, only the '--replace' operation is supported.");
+        let err =
+            eyre::eyre!("No file '{}' in this bundle.", name.display()).with_suggestion(|| {
+                format!(
+                    "Run '{} bundle list {}' to list the files in this bundle.",
+                    clap::crate_name!(),
+                    bundle_path.display()
+                )
+                // Not yet supported.
+                // })
+                // .with_suggestion(|| {
+                //     format!(
+                //         "Use '{} bundle inject --add {} {} {}' to add it as a new file",
+                //         clap::crate_name!(),
+                //         name.display(),
+                //         bundle_path.display(),
+                //         file_path.display()
+                //     )
+            });
+
+        return Err(err);
     }
+
+    let out_path = matches.get_one::<PathBuf>("output").unwrap_or(bundle_path);
+    let data = bundle
+        .to_binary()
+        .wrap_err("Failed to write changed bundle to output")?;
+
+    fs::write(out_path, &data)
+        .await
+        .wrap_err("Failed to write data to output file")?;
+
+    Ok(())
 }