Replace specific strings using regular expressions only with new lines

I think the environment can only be achieved with a win machine.

target:.
--D
- - Dow
--M
│  --Sample
│  --SampleP
--Rec
│  --Sample
V-Vi
    --Sample
　　　    --Sam

This is what it looks like when the tree is displayed, and "*.txt" exists in each folder.
I would like to delete the line containing "AAA:" in the file and only break the line.

I was thinking about it in the bat file, but it's very difficult, so I wonder if it's possible with vbs and WSH.
I would appreciate it if you could let me know how it can be achieved.

batch-file vbs

2022-09-29 22:37

2 Answers

PowerShell is recommended as a standard installation of Windows 7 or later.

foreach($fin Get-ChildItem.-Include*.txt-Recurse){
    @(Get-Content$f)-replace".*AAA:.*", "|Set-Content$f
}

2022-09-29 22:37

If the character code is fixed, I think I can use Powershell.

The code below removes all lines starting with AAA: in the *.txt file below C:\target and saves them as UTF-8.

$root="C:\target"#Replaceable Folder
ls$root-Recurse-Include*.txt |%{$f=$_.FullName;$(Get-Content$f)-replace"^AAA:.*$", "|Set-Content-Encoding UTF8$f}

If you run the script above, you will see 3
from the first line of the text below. The line is converted to a blank line.

aaa:
AAA:
AAA:B
AAB:

2022-09-29 22:37

If you have any answers or tips

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