Combine two text files with powershell

Question

I have two text files with data.

First text file contains a big list of fullpaths to my files. d:\cat\cat1.txt

d:\test\file1-1.txt
d:\test\file1-2.txt
....
d:\test\file1-N.txt

Second text file contains a short list of fullpath to my \files

d:\cat\file\cat2.txt

d:\test\file2-1.txt
d:\test\file2-2.txt

I need third file which contains

d:\test\file1-1.txt
d:\test\file1-2.txt
d:\test\file2-1.txt
d:\test\file1-3.txt
d:\test\file1-4.txt
d:\test\file2-2.txt
d:\test\file1-5.txt
d:\test\file1-6.txt
d:\test\file2-1.txt

Thx for help.

Your going to need to explain the rule for sorting the output. We can only guess. — zdan
– zdan, Commented Apr 15, 2012 at 16:39

manojlds · Accepted Answer · 2012-04-15 12:10:26Z

15

If you want to combine multiple files ( 2 or more ), you can do:

gc d:\cat\cat1.txt,d:\cat\file\cat2.txt | out-file d:\cat\combinedcat.txt

It is not clear from your example what kind of "specific" combination you want, so you may want to explain that, but the logic for combining files will be like above.

answered Apr 15, 2012 at 12:10

manojlds

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2 Comments

The Woo Over a year ago

If you want to combine all text files in a path, try: gc C:\Path*.txt | Out-file C:\Path\MergedTextFile.txt

Wjdavis5 Over a year ago

this is sllooooowwwwwwww - stackoverflow.com/questions/17749058/…

Shay Levy · Accepted Answer · 2012-04-15 09:29:17Z

4

Get the content of both files and save output to a new file:

Get-ChildItem d:\cat\cat1.txt,d:\cat\file\cat2.txt | 
  Get-Content | Out-File d:\cat\cat3.txt

edited Apr 15, 2012 at 9:29

answered Apr 15, 2012 at 7:56

Shay Levy

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2 Comments

Maurice Klimek Over a year ago

Why is it - when I have only 3 short files and I replace Get-ChildItem with Get-ChildItem -Recurse -Filter *.txt it actually adds those file in an endless loop?

erotavlas Over a year ago

@MauriceKlimek I'm getting the endless loop issue as well

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