tabular console output

This is a discussion on tabular console output within the C++ Programming forums, part of the General Programming Boards category; Hi, is there anything better than Code: "\t" ? Because it fails if the size of some table entrys differ: ...

  1. #1
    Registered User
    Join Date
    Nov 2006
    Posts
    519

    tabular console output

    Hi,

    is there anything better than
    Code:
    "\t"
    ? Because it fails if the size of some table entrys differ:

    Code:
    #include <iostream>
    #include <map>
    
    int main()
    {
    	std::map<const char*, int> map;
    	map["a"] = 1;
    	map["bbbbbbbbbbbb"] = 2;
    	map["ccccc"] = 3;
    
    	for (std::map<const char*, int>::const_iterator citer = map.begin(); citer!=map.end(); ++citer)
    	{
    		std::cout << citer->first << "\t\t\t\t\t" << citer->second << "\n";
    	}
    produces:

    Code:
    ccccc                                   3
    bbbbbbbbbbbb                                    2
    a                                       1
    Only ways I see is to take the current size of the field into account to determine the number of \t needed.

    Thank you!

  2. #2
    Kernel hacker
    Join Date
    Jul 2007
    Location
    Farncombe, Surrey, England
    Posts
    15,677
    use "setw()" to set the width of the respective fields.

    --
    Mats
    Compilers can produce warnings - make the compiler programmers happy: Use them!
    Please don't PM me for help - and no, I don't do help over instant messengers.

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