commands/ash/bltin/line.c

   1 /*
   2  * The line command.  Reads one line from the standard input and writes it
   3  * to the standard output.
   4  *
   5  * Copyright (C) 1989 by Kenneth Almquist.  All rights reserved.
   6  * This file is part of ash, which is distributed under the terms specified
   7  * by the Ash General Public License.  See the file named LICENSE.
   8  */
   9
  10 #define main linecmd
  11
  12 #include "bltin.h"
  13
  14
  15 main(argc, argv)  char **argv; {
  16       char c;
  17
  18       for (;;) {
  19             if (read(0, &c, 1) != 1) {
  20                   putchar('\n');
  21                   return 1;
  22             }
  23             putchar(c);
  24             if (c == '\n')
  25                   return 0;
  26       }
  27 }