clear: Add clear.py

Author: Expertcoderz

src/clear.py

@@ -0,0 +1,34 @@
+#!/usr/bin/python3
+
+import sys
+from optparse import OptionParser
+
+# clear(1), roughly modelled off the ncurses implementation.
+
+
+def clear(opts):
+    print("\x1b[2J\x1b[H", end="")
+    if not opts.x:
+        print("\x1b[3J", end="")
+
+
+if __name__ == "__main__":
+    parser = OptionParser(
+        usage="Usage: %prog [OPTION]...",
+        description="Clear the terminal screen.",
+        add_help_option=False,
+    )
+    parser.add_option("--help", action="help", help="show usage information and exit")
+
+    parser.add_option("-T", metavar="TERM", help="(unimplemented)")
+
+    parser.add_option(
+        "-x", action="store_true", help="do not try to clear the scrollback buffer"
+    )
+
+    opts, args = parser.parse_args()
+
+    if args:
+        sys.exit(1)
+
+    clear(opts)