ruby打开文件并返回所有行

irb(main):020:0> f=File.open("/home/dongjichao/c/3_1.c")

=> #<File:/home/dongjichao/c/3_1.c>

irb(main):021:0> f.each do |line|

irb(main):022:1* puts line

irb(main):023:1> end

#include <stdlib.h>

int main(void){

printf("ddddd\n");

return EXIT_SUCCESS;

}

=> #<File:/home/dongjichao/c/3_1.c>

irb(main):024:0> f.close

=> nil

irb(main):025:0>