[CODE] DeleteFileLine | By OTACON[

stock DeleteFileLine(file[],line_remove,max_str,max_line){
    new
            d[max_str],
            File:dd,
            line[max_line][max_str],
            count=0,
            data[max_str];

    if(!fexist(file))return false;
    if(fexist(file)){
        dd=fopen(file, io_read);
        if(dd){
            while(fread(dd, d)){
                StripNewLine(d);
                format(line[count],max_str,"%s",d);
                count++;
            }fclose(dd);
        }
        dd=fopen(file, io_write);
        if(dd){
            for(new line=0; line<count; line++){
                if(line==line_remove)continue;
                format(data, sizeof(data), "%s\r\n", line[line]);
                fwrite(dd, data);
            }fclose(dd);
        }
    }return true;
}

/*
EJEMPLO:

#define MAX_LINE_FILE   (20)
#define MAX_STR_LINE    (128)
#define LINE_REMOVE     (14)
DeleteFileLine("archivo.txt",LINE_REMOVE,MAX_STR_LINE,MAX_LINE_FILE);

*/