diff --git a/csvbyname/csvbyname.py b/csvbyname/csvbyname.py
new file mode 100644
index 0000000..3938256
--- /dev/null
+++ b/csvbyname/csvbyname.py
@@ -0,0 +1,78 @@
+import argparse
+
+
+def collect_files(
+    path: str,
+    include_folders: bool,
+    entire_path: bool,
+    recursive: bool,
+    regex_groups: list[str],
+):
+    # TODO Finish collecting all files
+    pass
+
+
+def write_collected_to_csv(output_path: str, collected: dict[str, dict[str, str]]):
+    # TODO Finish writing collected files/paths to CSV.
+    pass
+
+
+def run(args):
+    collect_files(
+        args.directory,
+        args.include_folders,
+        args.entire_path,
+        args.recursive,
+        args.add_regex_property,
+    )
+
+
+def main():
+    argparser = argparse.ArgumentParser(
+        "csvbyname",
+        description="Catalogue a directory of files by patterns in their names into a "
+        "CSV.",
+    )
+    argparser.add_argument(
+        "directory",
+        type=str,
+        help="The directory containing the files to obtain catalogue names of",
+        metavar="i",
+    )
+    argparser.add_argument(
+        "output", type=str, help="The path to the catalogued CSVs.", metavar="o"
+    )
+    argparser.add_argument(
+        "-l",
+        "--include-folder",
+        help="Include folders in the cataloguing process",
+        action="store_true",
+        required=False,
+        default=False,
+    )
+    argparser.add_argument(
+        "-e",
+        "--entire-path",
+        help="Include the full path when applying the groupings to find properties",
+        action="store_true",
+        required=False,
+        default=False,
+    )
+    argparser.add_argument(
+        "-r",
+        "--recursive",
+        help="Catalogue recursively",
+        action="store_true",
+        required=False,
+        default=False,
+    )
+    argparser.add_argument(
+        "-p",
+        "--add-regex-property",
+        help="Add a property in the resulting CSV obtained from the first capture "
+        "group of the given REGEX in the following format:\n property-name:regex",
+        nargs="+",
+    )
+
+    args = argparser.parse_args()
+    run(args)
diff --git a/environment.yaml b/environment.yaml
new file mode 100644
index 0000000..2a6a99a
--- /dev/null
+++ b/environment.yaml
@@ -0,0 +1,37 @@
+name: /home/ydeng/csvbyname/env
+channels:
+  - conda-forge
+dependencies:
+  - _libgcc_mutex=0.1=conda_forge
+  - _openmp_mutex=4.5=2_gnu
+  - black=23.3.0=py311h38be061_0
+  - bzip2=1.0.8=h7f98852_4
+  - ca-certificates=2022.12.7=ha878542_0
+  - click=8.1.3=unix_pyhd8ed1ab_2
+  - ld_impl_linux-64=2.40=h41732ed_0
+  - libexpat=2.5.0=hcb278e6_1
+  - libffi=3.4.2=h7f98852_5
+  - libgcc-ng=12.2.0=h65d4601_19
+  - libgomp=12.2.0=h65d4601_19
+  - libnsl=2.0.0=h7f98852_0
+  - libsqlite=3.40.0=h753d276_0
+  - libuuid=2.38.1=h0b41bf4_0
+  - libzlib=1.2.13=h166bdaf_4
+  - mypy_extensions=1.0.0=pyha770c72_0
+  - ncurses=6.3=h27087fc_1
+  - openssl=3.1.0=h0b41bf4_0
+  - packaging=23.1=pyhd8ed1ab_0
+  - pathspec=0.11.1=pyhd8ed1ab_0
+  - pip=23.1=pyhd8ed1ab_0
+  - platformdirs=3.2.0=pyhd8ed1ab_0
+  - python=3.11.3=h2755cc3_0_cpython
+  - python_abi=3.11=3_cp311
+  - readline=8.2=h8228510_1
+  - setuptools=67.6.1=pyhd8ed1ab_0
+  - tk=8.6.12=h27826a3_0
+  - typing-extensions=4.5.0=hd8ed1ab_0
+  - typing_extensions=4.5.0=pyha770c72_0
+  - tzdata=2023c=h71feb2d_0
+  - wheel=0.40.0=pyhd8ed1ab_0
+  - xz=5.2.6=h166bdaf_0
+prefix: /home/ydeng/csvbyname/env
diff --git a/tests/resources/foo.txt b/tests/resources/foo.txt
new file mode 100644
index 0000000..4add785
--- /dev/null
+++ b/tests/resources/foo.txt
@@ -0,0 +1 @@
+Text
\ No newline at end of file
diff --git a/tests/resources/group1-a-11.txt b/tests/resources/group1-a-11.txt
new file mode 100644
index 0000000..4add785
--- /dev/null
+++ b/tests/resources/group1-a-11.txt
@@ -0,0 +1 @@
+Text
\ No newline at end of file
diff --git a/tests/resources/group1-a-12.txt b/tests/resources/group1-a-12.txt
new file mode 100644
index 0000000..71a4e5b
--- /dev/null
+++ b/tests/resources/group1-a-12.txt
@@ -0,0 +1,2 @@
+
+Text
\ No newline at end of file
diff --git a/tests/resources/group1-a-13.txt b/tests/resources/group1-a-13.txt
new file mode 100644
index 0000000..4add785
--- /dev/null
+++ b/tests/resources/group1-a-13.txt
@@ -0,0 +1 @@
+Text
\ No newline at end of file
diff --git a/tests/resources/group1-b-10.txt b/tests/resources/group1-b-10.txt
new file mode 100644
index 0000000..4add785
--- /dev/null
+++ b/tests/resources/group1-b-10.txt
@@ -0,0 +1 @@
+Text
\ No newline at end of file
diff --git a/tests/resources/group1-b-11.txt b/tests/resources/group1-b-11.txt
new file mode 100644
index 0000000..4add785
--- /dev/null
+++ b/tests/resources/group1-b-11.txt
@@ -0,0 +1 @@
+Text
\ No newline at end of file
diff --git a/tests/resources/group1-b-9.txt b/tests/resources/group1-b-9.txt
new file mode 100644
index 0000000..4add785
--- /dev/null
+++ b/tests/resources/group1-b-9.txt
@@ -0,0 +1 @@
+Text
\ No newline at end of file