1 files changed, 23 insertions, 0 deletions
diff --git a/pkg/system/unprotect.x b/pkg/system/unprotect.x
new file mode 100644
index 00000000..c265bbf8
--- /dev/null
+++ b/pkg/system/unprotect.x
@@ -0,0 +1,23 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<protect.h>
+include	<error.h>
+
+# UNPROTECT -- Remove protection from a list of files.
+
+procedure t_unprotect()
+
+char	fname[SZ_FNAME]
+int	list, status
+
+int	clpopns(), clgfil(), protect()
+
+begin
+	list = clpopns ("files")
+
+	while (clgfil (list, fname, SZ_FNAME) != EOF)
+	    iferr (status = protect (fname, REMOVE_PROTECTION))
+		call erract (EA_WARN)
+
+	call clpcls (list)
+end