ref: a351bcdccdf5a4273bc8dc3360a48fbb8b8aa9ea
dir: /src/aecho.c/
#include <u.h>
#include <libc.h>
void
main(int argc, char* argv[])
{
int nflag = 0;
int vflag = 0;
int i;
ARGBEGIN{
case 'v':
vflag = 1;
break;
case 'n':
nflag = 1;
break;
default:
fprint(2, "usage: %s [-nv] args\n", argv0);
exits("usage");
}ARGEND;
for (i = 0; i < argc; i++)
if (vflag)
print("[%s] ", argv[i]);
else
print("%s ", argv[i]);
if (!nflag)
print("\n");
exits(nil);
}