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Powershell to truncate string in text

Posted on 2016-08-05
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Last Modified: 2016-08-11
Guys,
I have a powershell script below use to truncate the string in the string_output2.txt however the script below doesn't work, what I would need to output is something like
this JJR3345-s-54007.maxis.kd.com save in string_output22.txt
Get-Content (Get-ChildItem F:\Powershell\string_output2.txt) | % {$_.Split(':')[1]} | Out-File F:\Powershell\string_output22.txt


Here is contain in string_output2.txt


JJR3345-bs-54007:dbxsinstnace:JJR3345-s-54007.maxis.kd.com
JJR3345-bs-54008:dbxsinstnace:JJR3345-s-54008.maxis.kd.com
JJR3345-bs-54009:dbxsinstnace:JJR3345-s-54009.maxis.kd.com
JJR3345-s-54025:dbxsinstnace:JJR3345-s-54025.maxis.kd.com
JJR3345-s-54001:dbxsinstnace:JJR3345-s-54001.maxis.kd.com
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Question by:motioneye
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Expert Comment

by:oBdA
ID: 41743998
You don't need the "Get-ChildItem" since you're only addressing a single file, you need to use $_.Split(':')[2], and if you want to to overwrite the source file, you need to put Get-Content in parenthesis, so that PS will read the whole file before continuing with the pipeline.
(Get-Content F:\Powershell\string_output2.txt) | % {$_.Split(':')[2]} | Out-File F:\Powershell\string_output22.txt

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Author Comment

by:motioneye
ID: 41744540
The ouput return me with null, its strange though to see teh output like this.

Capture.PNG
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LVL 84

Expert Comment

by:oBdA
ID: 41744548
That's a Unicode; use Out-File's -Encoding argument:
(Get-Content F:\Powershell\string_output2.txt) | % {$_.Split(':')[2]} | Out-File F:\Powershell\string_output22.txt -Encoding ASCII

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Author Comment

by:motioneye
ID: 41744571
Hi oBdA
Yes I have tried that, still I have the same error as per screenshot
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Accepted Solution

by:
oBdA earned 500 total points
ID: 41744702
Does
Get-Content F:\Powershell\string_output2.txt

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print the expected strings?
Since you're replacing the original file, have you restored string_output2.txt to one that was created by the original source?
You can try Set-Content instead of Out-File as well.
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Author Closing Comment

by:motioneye
ID: 41751635
Hi oBdA,
Thanks for help, I have to copy the text from one file and move to another new file, then the scripts worked with no flaw. thanks again for the assistance and the opinion
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