ref: 8499401ada316f99d5ea8ef058ca1669468e6a7a
dir: /sys/src/cmd/aux/lines.c/
#include <u.h> #include <libc.h> #include <bio.h> void cat(int f, char *s) { Biobuf b; char *p; Binit(&b, f, OREAD); while((p = Brdline(&b, '\n')) != nil) if(write(1, p, Blinelen(&b)) != Blinelen(&b)) sysfatal("write error copying %s: %r", s); Bterm(&b); } void main(int argc, char *argv[]) { int f, i; argv0 = "lines"; if(argc == 1) cat(0, "<stdin>"); else for(i=1; i<argc; i++){ f = open(argv[i], OREAD); if(f < 0) sysfatal("can't open %s: %r", argv[i]); else{ cat(f, argv[i]); close(f); } } exits(0); }