Patch 2

README.md

@@ -78,3 +78,17 @@ Repository [lvignoli/typst-action-example](https://github.com/lvignoli/typst-act
 - I was hasty to tag for a v1. I have now deleted it.
   As long as Typst is not in a stable state, the action will stay in v0.
   You should use `lvignoli/typst-action@main` in the meantime.
+
+## Extra
+
+To specify the output filename use `:` in the filename to denote the name, such as:
+```
+      - name: Typst
+        uses: lvignoli/typst-action@main
+        with:
+          source_file: |
+            first_file.typ:first.pdf
+            second_file.typ
+            third_and_final_file.typ:third.pdf
+
+```

entrypoint.py

@@ -4,13 +4,15 @@
 import sys
 
 
-def compile(filename: str, options: list[str]) -> bool:
+def compile(filename: str, options: list[str], outputfilename: str | None) -> bool:
     """Compiles a Typst file with the specified global options.
 
     Returns True if the typst command exited with status 0, False otherwise.
     """
-    command = ["typst"] + options + ["compile", filename]
-    logging.debug("Running: " + " ".join(command))
+    command = ["typst", "compile"] + options + [filename]
+    if outputfilename is not None:
+        command.append(outputfilename)
+    logging.info("Running: " + " ".join(command))
 
     result = subprocess.run(command, capture_output=True, text=True)
     try:
@@ -27,25 +29,33 @@ def main():
     logging.basicConfig(level=logging.INFO)
 
     # Parse the positional arguments, expected in the following form
-    #   1. The Typst files to compile in a line separated string
+    #   1. The Typst files to compile in a line separated string. Optionally To 
+    #      specify the ooutput name separate it with a : so such as: 
+    #      input.typ:output.pdf
     #   2. The global Typst CLI options, in a line separated string. It means each
     #      whitespace separated field should be on its own line.
     source_files = sys.argv[1].splitlines()
     options = sys.argv[2].splitlines()
 
+
     version = subprocess.run(
         ["typst", "--version"], capture_output=True, text=True
     ).stdout
     logging.info(f"Using version {version}")
 
     success: dict[str, bool] = {}
 
-    for filename in source_files:
+    for filename_pair in source_files:
+        (filename, _, outputfilename) = filename_pair.partition(":")
         filename = filename.strip()
         if filename == "":
             continue
+        if outputfilename == "":
+            outputfilename = None
+        elif outputfilename is not None:
+            outputfilename = outputfilename.strip()
         logging.info(f"Compiling {filename}…")
-        success[filename] = compile(filename, options)
+        success[filename] = compile(filename, options, outputfilename)
 
     # Log status of each input files.
     for filename, status in success.items():