七行プログラミング part6

SJIS/JIS/EUC/UTF8用の改行変換
exec src dst n
nが0ならCR、2ならCR+LF、3ならLF

#include<stdio.h>
FILE*r,*w;int t,d;f(){d=d&&!fprintf(w,"\r\0\r\n"+t);}main(c,v)char**v;{if(c>3&&
(r=fopen(v[1],"rb"))&&(w=fopen(v[2],"wb")))for(t=*v[3]-48;~(c=fgetc(r));)c-13&&
c-10?f(),fputc(c,w):(d&c/6&&f(),d+=c/6);f();r&&fclose(r);return w&&fclose(w);}