Merging Two Text Files into One CSV File

Question

I\'m working with a windows batch command to create a list of filepaths and filenames (without the ext) for processing and archival. I need to make a CSV file that will contain

Answer 1

This could be a job for the SQLite shell.

C:\Temp> sqlite3.exe
create table paths(path text);
create table filenames(fname text);
.import fileListA.txt paths
.import fileListB.txt filenames
.separator ,
.output FileListCSV.txt
select * from paths p join filenames f on f.rowid = p.rowid;
.q

The SQLite shell is a single executable that will either create a persistent SQLite database in the form of a file, or create a database in memory (when, like here, without any argument in the command line).