commit a70defc85ff40e71424553731706c7d904c235cf
Author: Matthieu Jolimaitre <matthieu@imagevo.fr>
Date:   Tue Jun 17 15:30:36 2025 +0200

    Init.

diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c81b1f0
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# Comprimé
+
+Utility for compressing directories into unexecutable files.
diff --git a/compress.py b/compress.py
new file mode 100755
index 0000000..90f79fa
--- /dev/null
+++ b/compress.py
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+#!/usr/bin/env -S python3
+
+import subprocess
+import sys
+
+
+def main():
+    [_, input] = sys.argv
+    input_tar = input + ".tar"
+    output = input + ".cprmt"
+    print("Compressing '" + input + "' into '" + output + "'.")
+    subprocess.Popen(["tar", "cf", input_tar, input]).wait()
+    input_tar_fd = open(input_tar, "rb")
+    output_fd = open(output, "wb")
+    byte_index = 0
+    while True:
+        read = input_tar_fd.read(1024)
+        if len(read) == 0:
+            break
+        for byte in read:
+            if byte_index == 0:
+                output_fd.write(bytes([5, byte]))
+            else:
+                output_fd.write(bytes([byte]))
+            byte_index += 1
+            byte_index %= 4
+    print("Done.")
+
+
+if __name__ == "__main__": main()
diff --git a/decompr.py b/decompr.py
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+++ b/decompr.py
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+#!/usr/bin/env -S python3
+
+import subprocess
+import sys
+
+
+def main():
+    [_, input] = sys.argv
+    input_tar = input.replace(".cprmt", ".tar")
+    output = input_tar.replace(".tar", "")
+    print("Decompressing '" + input + "' into '" + output + "'.")
+    input_fd = open(input, "rb")
+    output_tar_fd = open(input_tar, "wb")
+    byte_index = 0
+    while True:
+        read = input_fd.read(1024)
+        if len(read) == 0:
+            break
+        for byte in read:
+            if byte_index == 0:
+                pass
+            else:
+                output_tar_fd.write(bytes([byte]))
+            byte_index += 1
+            byte_index %= 5
+    subprocess.Popen(["tar", "xf", input_tar]).wait()
+    print("Done.")
+
+
+if __name__ == "__main__": main()
diff --git a/test/.gitignore b/test/.gitignore
new file mode 100644
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--- /dev/null
+++ b/test/.gitignore
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+/wdir
\ No newline at end of file
diff --git a/test/case/a b/test/case/a
new file mode 100644
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--- /dev/null
+++ b/test/case/a
@@ -0,0 +1 @@
+arbre
\ No newline at end of file
diff --git a/test/case/b b/test/case/b
new file mode 100644
index 0000000..05e1840
--- /dev/null
+++ b/test/case/b
@@ -0,0 +1 @@
+barbier
\ No newline at end of file
diff --git a/test/run b/test/run
new file mode 100755
index 0000000..7f1f3b2
--- /dev/null
+++ b/test/run
@@ -0,0 +1,17 @@
+#!/usr/bin/bash
+cd "$(dirname "$(realpath "$0")")"
+set -e
+
+
+
+rm -fr wdir
+mkdir  wdir wdir/in wdir/out
+cp -r case wdir/in/
+
+
+cd wdir/in
+../../../compress.py case
+cp case.cprmt ../out/
+
+cd ../out
+../../../decompr.py case.cprmt