in with the new
diff --git a/src/cmd/read.c b/src/cmd/read.c
new file mode 100644
index 0000000..56d8013
--- /dev/null
+++ b/src/cmd/read.c
@@ -0,0 +1,91 @@
+#include <u.h>
+#include <libc.h>
+
+int multi;
+int nlines;
+char *status = nil;
+
+int
+line(int fd, char *file)
+{
+ char c;
+ int m, n, nalloc;
+ char *buf;
+
+ nalloc = 0;
+ buf = nil;
+ for(m=0; ; ){
+ n = read(fd, &c, 1);
+ if(n < 0){
+ fprint(2, "read: error reading %s: %r\n", file);
+ exits("read error");
+ }
+ if(n == 0){
+ if(m == 0)
+ status = "eof";
+ break;
+ }
+ if(m == nalloc){
+ nalloc += 1024;
+ buf = realloc(buf, nalloc);
+ if(buf == nil){
+ fprint(2, "read: malloc error: %r\n");
+ exits("malloc");
+ }
+ }
+ buf[m++] = c;
+ if(c == '\n')
+ break;
+ }
+ if(m > 0)
+ write(1, buf, m);
+ free(buf);
+ return m;
+}
+
+void
+lines(int fd, char *file)
+{
+ do{
+ if(line(fd, file) == 0)
+ break;
+ }while(multi || --nlines>0);
+}
+
+void
+main(int argc, char *argv[])
+{
+ int i, fd;
+ char *s;
+
+ ARGBEGIN{
+ case 'm':
+ multi = 1;
+ break;
+ case 'n':
+ s = ARGF();
+ if(s){
+ nlines = atoi(s);
+ break;
+ }
+ /* fall through */
+ default:
+ fprint(2, "usage: read [-m] [-n nlines] [files...]\n");
+ exits("usage");
+ }ARGEND
+
+ if(argc == 0)
+ lines(0, "<stdin>");
+ else
+ for(i=0; i<argc; i++){
+ fd = open(argv[i], OREAD);
+ if(fd < 0){
+ fprint(2, "read: can't open %s: %r\n", argv[i]);
+ exits("open");
+ }
+ lines(fd, argv[i]);
+ close(fd);
+ }
+
+ exits(status);
+}
