Compare two text files and write the differences to text file

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I want to compare 2 text files and output the difference in another text file.

$Location = "c:\temp\z.txt"
compare-object (get-content c:\temp\hostname_old.txt) (get-content c:\temp\hostname_new.txt) | format-list | Out-File $Location

hostname_old.txt

server02
server05
server04
server06
server01

hostname_new.txt

server04
server01
server02

Results

InputObject   : server05
SideIndicator : <=

InputObject   : server06
SideIndicator : <=

This is what I want : (get rid of both InputObject and SideIndicator)

server05
server06

Note: A related problem where one input file has duplicate entries is the subject of this question.

Just use the -PassThru parameter:

compare-object (get-content c:\temp\hostname_old.txt) (get-content c:\temp\hostname_new.txt) -PassThru | Out-File $Location

does exactly what you want.

How to Compare Two Text Files in the Linux Terminal, Need to see the differences between two revisions of a text file? The diff command compares two files and produces a list of the differences Type diff , a space, the name of the first file, a space, the name of the second file,  Diffchecker is a diff tool to compare text differences between two text files. Enter the contents of two files and click Find Difference Try our desktop app Offline mode, advanced features and more

I guess you're looking for Select-Object -ExpandProperty InputObject

compare-object (get-content c:\temp\hostname_old.txt) (get-content c:\temp\hostname_new.txt) | Select-Object -ExpandProperty InputObject | Out-File $Location

Please note, that you cannot use format-list in the Pipeline before writing data into a file.

Text Compare!, Text Compare! is an online diff tool that can find the difference between two text documents. Just paste and compare. Text Compare! is an online diff tool that can find the difference between two text documents. Just paste and compare.

How To Compare Two Text Files Using Linux, This guide shows you how to use the Linux diff command line to compare two text files side by side with various two files and output the differences between the files to the screen or a file. Type the text into the nano editor. Compare two text files and write the differences to text file. I want to compare 2 text files and output the difference in another text file. Compare two text

diff, diffh, bdiff -- compare two text files and show differences, Besides normal ASCII text files, diff and its related utilities also work on UTF-8 files and diff compares files with the same file names under the two directories. After the line giving the type of change, diff displays the deleted or added lines,​  This is a simple python script to compare two text files line by line and output only the lines that are different. Program Analysis. The program asks the user to input the names of the two files to compare.

Binary (Comparing and Merging Files), If diff thinks that either of the two files it is comparing is binary (a non-text file), diff determines whether a file is text or binary by checking the first few bytes in the file that distinguish between text and binary files, diff normally reads and writes​  Click Current Differencein the toolbar (or press Alt+Enter). If this button is not enabled (for example, if your cursor is in a different line), click First Difference (or press Alt+Home) instead. When you select a difference, the two versions are loaded in the Diff pane.

How to compare two files by content, in Windows, How to compare two files in Windows, and quickly see if they are -eq (Get-​FileHash "D:\DigitalCitizen2.txt").hash) {"The two compared files are You can choose any option, regardless of the type of files that you compare. Text files are of two types: Plain text files: These files store End of Line (EOL) marker at the end of each line to represent line break and an End of File (EOF) at the end of the file to represent end of file. Rich text files: These files also follow the same schema as the plain text files but may also store text related information like text

Comments
  • This solution doesn't care about duplicates. Each new line of text is considered unique. So, a duplicate in the "new" file, will be copied to out, unless it's also duplicated in the "old" file.
  • Solid solution. Note that you can use the Format-* cmdlets with Out-File / > (but not with Set-Content). In fact, Out-File / > (effectively) uses the Format-* cmdlets behind the scenes to produce a string representation of the input objects. That said, unless the input objects are strings, the resulting representation is suitable for human consumption only, not as a stable format for programmatic processing.