sync: Add sync.py

Author: Expertcoderz

src/sync.py

@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+
+import os
+import sys
+from optparse import OptionParser
+
+
+def lazybox_sync(_, filenames: list[str]):
+    if filenames:
+        failed = False
+
+        for name in filenames:
+            try:
+                with open(name, "r+") as io:
+                    os.fsync(io)
+            except OSError as e:
+                failed = True
+                print(e, file=sys.stderr)
+
+        if failed:
+            sys.exit(1)
+    else:
+        os.sync()
+
+
+if __name__ == "__main__":
+    parser = OptionParser(
+        usage="Usage: %prog [FILE]...",
+        description="Sync the filesystem or write each FILE's blocks to disk.",
+        add_help_option=False,
+    )
+    parser.add_option("--help", action="help", help="show usage information and exit")
+
+    lazybox_sync(*parser.parse_args())