4.3BSD - /usr/src/usr.bin/split.c

   1: static char *sccsid = "@(#)split.c	4.2 (Berkeley) 4/29/83";
   2: #include <stdio.h>
   3: 
   4: unsigned count = 1000;
   5: int fnumber;
   6: char    fname[100];
   7: char    *ifil;
   8: char    *ofil;
   9: FILE    *is;
  10: FILE    *os;
  11: 
  12: main(argc, argv)
  13: char *argv[];
  14: {
  15:     register i, c, f;
  16:     int iflg = 0;
  17: 
  18:     for(i=1; i<argc; i++)
  19:         if(argv[i][0] == '-')
  20:             switch(argv[i][1]) {
  21: 
  22:             case '\0':
  23:                 iflg = 1;
  24:                 continue;
  25: 
  26:             case '0':
  27:             case '1':
  28:             case '2':
  29:             case '3':
  30:             case '4':
  31:             case '5':
  32:             case '6':
  33:             case '7':
  34:             case '8':
  35:             case '9':
  36:                 count = atoi(argv[i]+1);
  37:                 continue;
  38:             }
  39:         else if(iflg)
  40:             ofil = argv[i];
  41:         else {
  42:             ifil = argv[i];
  43:             iflg = 2;
  44:         }
  45:     if(iflg != 2)
  46:         is = stdin;
  47:     else
  48:         if((is=fopen(ifil,"r")) == NULL) {
  49:             perror(ifil);
  50:             exit(1);
  51:         }
  52:     if(ofil == 0)
  53:         ofil = "x";
  54: 
  55: loop:
  56:     f = 1;
  57:     for(i=0; i<count; i++)
  58:     do {
  59:         c = getc(is);
  60:         if(c == EOF) {
  61:             if(f == 0)
  62:                 fclose(os);
  63:             exit(0);
  64:         }
  65:         if(f) {
  66:             for(f=0; ofil[f]; f++)
  67:                 fname[f] = ofil[f];
  68:             fname[f++] = fnumber/26 + 'a';
  69:             fname[f++] = fnumber%26 + 'a';
  70:             fname[f] = '\0';
  71:             fnumber++;
  72:             if((os=fopen(fname,"w")) == NULL) {
  73:                 fprintf(stderr,"Cannot create output\n");
  74:                 exit(1);
  75:             }
  76:             f = 0;
  77:         }
  78:         putc(c, os);
  79:     } while(c != '\n');
  80:     fclose(os);
  81:     goto loop;
  82: }

Defined functions

Defined variables