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- #include <u.h>
- #include <libc.h>
- void
- main(int argc, char *argv[])
- {
- int nflag;
- int i, len;
- char *buf, *p;
- nflag = 0;
- if(argc > 1 && strcmp(argv[1], "-n") == 0)
- nflag = 1;
- len = 1;
- for(i = 1+nflag; i < argc; i++)
- len += strlen(argv[i])+1;
- buf = malloc(len);
- if(buf == 0)
- exits("no memory");
- p = buf;
- for(i = 1+nflag; i < argc; i++){
- strcpy(p, argv[i]);
- p += strlen(p);
- if(i < argc-1)
- *p++ = ' ';
- }
-
- if(!nflag)
- *p++ = '\n';
- if(write(1, buf, p-buf) < 0){
- fprint(2, "echo: write error: %r\n");
- exits("write error");
- }
- exits((char *)0);
- }
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