//EmEditor Script (JavaScript)
// Paste/Merge/Join two list together side-by-side.
// (see examples) Writes result to new document.
//
// Works like one feature of PASTE.exe
//  paste is a Unix command line utility which 
//  is used to join files horizontally (parallel merging) 
//  by outputting lines consisting of the sequentially 
//  corresponding lines of each file specified, [...]
//  It is effectively the horizontal equivalent to the 
//  utility cat command which operates on the vertical
//  plane of two or more files.
//=======================================================

//    How to use:
//    - Open an new document.
//    - Paste the first list in.
//    - Add underneath an empty line and write 5 #'s
//    - Paste the second list beneath.
//    -
//    - BE SURE to have no empty lines!
//    - And best have same amount of lines in both list.
//    -
//    - Change Separator and Delimiter in script if needed.
//    -
//    - Execute this macro, the joined output 
//      will be pasted into an new document.


//=======================================================
//============ U S E R S E T T I N G S ==================

// Separate your two input list by at least 5 #'s
// Example input:
// 	Eins
// 	Zwei   <<< Left side in output
// 	Drei
// 	Vier
// 	#####  <<< Five or more #'s, but not less!
// 	One
// 	Two
// 	Three  <<< Right side in output
// 	Four
//
Separator = "#####";

// Delimiter to be used for separating 
// consecutive values on a single line.
// Join both input lists side-by-side, 
// separated by that sign in the output
// Example output:
// 	Eins|One
// 	Zwei|Two
// 	Drei|Three
// 	Vier|Four
//
Delimeter = "|";



//===========================================================
//===========================================================
//============ T H E   S C R I P T ==========================

document.selection.SelectAll();
sel = document.selection.Text; //alert(sel);
Lines = sel.split("\r\n");     //Using Windows Line Enders here
SeparatorFound = false;
aArr = new Array();
nCount=0;

for(L = 0, Ls = Lines.length; L < Ls; L++){
	if (Lines[L].indexOf(Separator) != -1){
		SeparatorFound = true; continue; //SKIP
	}
	if (SeparatorFound==false){
		aArr[L] = Lines[L]; nCount++;
	}else{
		aArr[L -nCount -1] +=  Delimeter + Lines[L];
	}
}

//============ O U T P U T =================================
OUT = aArr.join("\r\n");
//alert(OUT);

//Works with EmEditor:
editor.NewFile();
document.write(OUT);

//The End
//===========================================================