/*
 * Reads a file and determine if it uses a shell bang, and if so display which program it calls
 */
#include <stdio.h>

int main() {
        FILE *file=fopen("test", "r");
        char data[3];
        char *shell,*shell2;
        char *tmp;
        if(fread(data, 2, 1, file)<=0)
                return 0;
        if(data[0]=='#' && data[1]=='!') {
                shell=malloc(1);
                int i=0;
                while(fread(data, 1, 1, file)>0) {
                        if(data[0]=='\n')
                                break;
                        shell[i]=data[0];
                        shell=realloc(shell, i+2);
                        i++;
                }
                shell[i]='\0';
                printf("%s\n", shell);
        }
        fclose(file);
}