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- #include <u.h>
- #include <libc.h>
- #include <bio.h>
- char *argv0;
- int
- openlog(char *name)
- {
- int fd;
- fd = open(name, OWRITE);
- if(fd < 0)
- fd = create(name, OWRITE, DMAPPEND|0666);
- if(fd < 0){
- fprint(2, "%s: can't open %s: %r\n", argv0, name);
- return -1;
- }
- seek(fd, 0, 2);
- return fd;
- }
- void
- main(int argc, char **argv)
- {
- Biobuf in;
- int fd;
- char *p, *t;
- char buf[8192];
- argv0 = argv[0];
- if(argc < 3){
- fprint(2, "usage: %s console logfile \n", argv0);
- exits("usage");
- }
- fd = open(argv[1], OREAD);
- if(fd < 0){
- fprint(2, "%s: can't open %s: %r\n", argv0, argv[1]);
- exits("open");
- }
- Binit(&in, fd, OREAD);
- fd = openlog(argv[2]);
- for(;;){
- if(p = Brdline(&in, '\n')){
- p[Blinelen(&in)-1] = 0;
- t = ctime(time(0));
- t[19] = 0;
- if(fprint(fd, "%s: %s\n", t, p) < 0){
- close(fd);
- fd = openlog(argv[2]);
- fprint(fd, "%s: %s\n", t, p);
- }
- } else if(Blinelen(&in) == 0) // true eof
- break;
- else {
- Bread(&in, buf, sizeof buf);
- }
- }
- exits(0);
- }
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