1 files changed, 45 insertions, 0 deletions
diff --git a/toys/posix/basename.c b/toys/posix/basename.c
new file mode 100644
index 00000000..9f228b41
--- /dev/null
+++ b/toys/posix/basename.c
@@ -0,0 +1,45 @@
+/* vi: set sw=4 ts=4:
+ *
+ * basename.c - Return non-directory portion of a pathname
+ *
+ * Copyright 2012 Tryn Mirell <tryn@mirell.org>
+ *
+ * See http://opengroup.org/onlinepubs/9699919799/utilities/basename.html
+
+
+USE_BASENAME(NEWTOY(basename, "<1>2", TOYFLAG_USR|TOYFLAG_BIN))
+
+config BASENAME
+	bool "basename"
+	default y
+	help
+        usage: basename string [suffix]
+
+        Return non-directory portion of a pathname removing suffix
+*/
+
+#include "toys.h"
+
+void basename_main(void)
+{
+    char *arg = toys.optargs[0], *suffix = toys.optargs[1], *base;
+
+    while ((base = strrchr(arg, '/'))) {
+        if (base == arg) break;
+        if (!base[1]) *base = 0;
+        else {
+            base++;
+            break;
+        }
+    }
+
+    if (!base) base = arg;
+    
+    // chop off the suffix if provided
+    if (suffix) {
+        arg = base + strlen(base) - strlen(suffix);
+        if (arg > base && !strcmp(arg, suffix)) *arg = 0;
+    }
+ 
+    puts(base);
+}