1 files changed, 27 insertions, 0 deletions
diff --git a/command/yes.c b/command/yes.c
new file mode 100644
index 0000000..f979a9f
--- /dev/null
+++ b/command/yes.c
@@ -0,0 +1,27 @@
+#include "command.h"
+#include "lslib.h"
+
+static void help(void) {
+    printf("Usage: yes [STRING]\n\n");
+    printf("Repeatedly output a line with all specified STRING(s), or 'y'.\n");
+}
+
+COMMAND(yes) {
+    const char* repeat;
+    int i;
+
+    parse_help(argc, argv, help);
+
+    if (argc == 0) {
+        repeat = "y";
+    } else {
+        repeat = argv[0];
+        for (i = 1; i < argc; i++) {
+            *(argv[i]-1) = ' ';
+        }
+    }
+
+    while (true) {
+        printf("%s\n", repeat);
+    }
+}