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/*
* tee-- pipe fitting
*/
#include <u.h>
#include <libc.h>
int uflag;
int aflag;
int openf[100];
char in[8192];
int intignore(void*, char*);
void
main(int argc, char **argv)
{
int i;
int r, n;
ARGBEGIN {
case 'a':
aflag++;
break;
case 'i':
atnotify(intignore, 1);
break;
case 'u':
uflag++;
/* uflag is ignored and undocumented; it's a relic from Unix */
break;
default:
fprint(2, "usage: tee [-ai] [file ...]\n");
exits("usage");
} ARGEND
USED(argc);
n = 0;
while(*argv) {
if(aflag) {
openf[n] = open(argv[0], OWRITE);
if(openf[n] < 0)
openf[n] = create(argv[0], OWRITE, 0666);
seek(openf[n], 0L, 2);
} else
openf[n] = create(argv[0], OWRITE, 0666);
if(openf[n] < 0) {
fprint(2, "tee: cannot open %s: %r\n", argv[0]);
} else
n++;
argv++;
}
openf[n++] = 1;
for(;;) {
r = read(0, in, sizeof in);
if(r <= 0)
exits(nil);
for(i=0; i<n; i++)
write(openf[i], in, r);
}
}
int
intignore(void *a, char *msg)
{
USED(a);
if(strcmp(msg, "interrupt") == 0)
return 1;
return 0;
}
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