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/* 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 source tree.
*
*/
//config:config SCRIPTREPLAY
//config: bool "scriptreplay (2.6 kb)"
//config: default y
//config: help
//config: This program replays a typescript, using timing information
//config: given by script -t.
//applet:IF_SCRIPTREPLAY(APPLET(scriptreplay, BB_DIR_BIN, BB_SUID_DROP))
//kbuild:lib-$(CONFIG_SCRIPTREPLAY) += scriptreplay.o
//usage:#define scriptreplay_trivial_usage
//usage: "timingfile [typescript [divisor]]"
//usage:#define scriptreplay_full_usage "\n\n"
//usage: "Play back typescripts, using timing information"
#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[1])
bb_show_usage();
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);
}
return EXIT_SUCCESS;
}
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