scriptreplay: new applet. +423 bytes

Signed-off-by: Pascal Bellard <pascal.bellard@ads-lu.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 38 insertions, 0 deletions

diff --git a/util-linux/scriptreplay.c b/util-linux/scriptreplay.c
new file mode 100644
index 000000000..038dbdfe1
--- /dev/null
+++ b/util-linux/scriptreplay.c
@@ -0,0 +1,38 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * scriptreplay - play back typescripts, using timing information
+ *
+ * pascal.bellard@ads-lu.com
+ *
+ * Licensed under GPLv2 or later, see file License in this tarball for details.
+ *
+ */
+#include "libbb.h"
+
+int scriptreplay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int scriptreplay_main(int argc UNUSED_PARAM, char **argv)
+{
+	const char *script = "typescript";
+	double delay, factor = 1000000.0;
+	int fd;
+	unsigned long count;
+	FILE *tfp;
+
+	if (argv[2]) {
+		script = argv[2];
+		if (argv[3])
+			factor /= atof(argv[3]);
+	}
+
+	tfp = xfopen_for_read(argv[1]);
+	fd = xopen(script, O_RDONLY);
+	while (fscanf(tfp, "%lf %lu\n", &delay, &count) == 2) {
+		usleep(delay * factor);
+		bb_copyfd_exact_size(fd, STDOUT_FILENO, count);
+	}
+#if ENABLE_FEATURE_CLEAN_UP
+	close(fd);
+	fclose(tfp);
+#endif
+	return EXIT_SUCCESS;
+}