I want to flip line orders of a document with 500+ lines. The lines aren't just numbers, some include text and other characters. It's a mix.
Example:
Line 1 Line 2 Line 3 Line 4 Line 5 Line 6
Which I then want to flip, reverse and look like this from bottom to top:
Line 6 Line 5 Line 4 Line 3 Line 2 Line 1
Solution not requiring other software except normally-included TextFX plugin:
Edit: Newer versions of Notepad++ (v8.0+) now directly support reversing line order. Simply go to:
Edit -> Line Operations -> Reverse Line Order
Note that it will reverse the order of selected lines, or reverse all lines in the file if nothing is selected.
Since the menu is quite full, here is a visual hint:
For older versions of Notepad++, the previous strategy can still be used.
This can also be done in Notepad++ without the TextFX plugin. It follows the same strategy of that of the accepted answer, but using native functionality. It is done as follows:
Well, since we are giving code examples, if you are on Windows 7 or you have installed PowerShell on another version of Windows, then:
$foo = New-Object System.collections.arraylist;
$foo.AddRange($(Get-Content 'C:\Path\To\File.txt));
$foo.Reverse();
$foo | Out-File C:\Path\To\File.txt
Or for a non-coding answer, download gVim, open the file and type:
:g/^/m0
If you're comfortable compiling C++, this should do the trick. Basically, I put each line of the file in a vector, and output it to a new file by using a reverse iterator.
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
int main()
{
std::vector<std::string> fileLines;
std::string currLine;
std::ifstream inFile("input.txt");
if (inFile.is_open())
{
while (inFile.good())
{
std::getline(inFile, currLine);
fileLines.push_back(currLine);
}
inFile.close();
}
else
{
std::cout << "Error - could not open input file!\n";
return 1;
}
std::ofstream outFile("output.txt");
if (outFile.is_open())
{
std::vector<std::string>::reverse_iterator rIt;
for (rIt = fileLines.rbegin(); rIt < fileLines.rend(); rIt++)
{
outFile << *rIt;
}
outFile.close();
}
else
{
std::cout << "Error - could not open output file!\n";
return 1;
}
return 0;
}
If the output file is missing line breaks between the lines, then change the outFile << *rIt; to be outFile << *rIt << "\r\n"; so a line break is added (omit the \r if you're on Unix/Linux).
Disclaimer: I have not tested this code (I wrote it real quick in Notepad), but it looks viable.
Here is C# .NET code for it I just wrote :)
class Program
{
static void Main(string[] args)
{
try
{
String line;
Stack<String> lines = new Stack<string>();
// Create an instance of StreamReader to read from a file.
// The using statement also closes the StreamReader.
using (StreamReader sr = new StreamReader("test.txt"))
{
// Read and display lines from the file until the end of
// the file is reached.
while ((line = sr.ReadLine()) != null)
lines.Push(line);
}
// Create a writer and open the file
TextWriter tw = new StreamWriter("test2.txt");
// Write a line of text to the file
while (lines.Count > 0)
tw.WriteLine(lines.Pop());
// close the stream
tw.Close();
}
catch (Exception e)
{
// Let the user know what went wrong.
Console.WriteLine("The file could not be read/written:");
Console.WriteLine(e.Message);
}
}
}
Here is a non-coding way:
If you wish to automate this on Notepad++ with a single click:
All the glory to Reck Dickhard!
To add it in the context menu:
If you click on the plugins tab → Python Script → Configuration, you can assign the script either to a toolbar icon, or to the Python Script menu itself. (If you assign a script to the menu, then it will appear immediately, but you will not be able to assign a shortcut to it until next time Notepad++ starts. If you assign it to a toolbar icon, then it will only appear on the next start of Notepad++.)
