Hi. I got a trouble with escape sequences in Bro.
When i write:
print “Next words must be in a new line \n New line”
or
print “\n”
\n will decoded in x0a or \n, but not decoded as a new.
So there is a question: how can i make a new line in strings? F.e. i read several strings of data and need to from string like
“hi,
its a new line
and it is too!”
but only thing i have is “hi,\nits a new line\nand it is too!”
Thanks for answer
Have you tried using the fmt function in conjunction with the print function?
https://www.bro.org/sphinx/scripts/base/bif/bro.bif.bro.html#id-fmt
-AK
Yeah. The code:
local line = fmt("%s", “Hi \n all!”);
print line;
will print the Hi \n all!
sorry, it will print Hi \x0a all!
And if slash is double: fmt("%s", “Hi \n all!”);
it will print Hi \n all!
Shouldn't the \n be in the format specifier? Eg.,
local lines = fmt("%s\n%s\n", "First line", "Second line");
I don't think C or perl or other shell scripts with printf-like
capabilities would behave differently: the controls have to be in the
format specifier, not the data.
- Pat
Well, the printed line for this sample is:
First line\x0aSecond line\x0a
Bro escapes strings that are printed by default. You need to open a file(or stdout) in raw mode in order for it to output strings as-is
global myfile = open("-");
enable_raw_output(myfile);
print myfile, "hello\nworld";
close(myfile);
or
global myfile = open("-") &raw_output;
print myfile, "hello\nworld";
close(my file);
My thanks! It works.