Using a substring in a PowerShell pipeline

Question

Is there a possibility to manipulate the items in a pipeline of PowerShell?

In more concrete words: I start my pipeline with an "svn list". This returns me a list of paths in my repository, all directories with a trailing "/". The list of paths should be stored in an array, but without the "/".

This:

svn list svn://server/repository/myPath | $_.TrimEnd("/")

does not work because TrimEnd is an expression and may not be used within a pipeline.

The result of the pipeline should be something like:

$a = @("foo", "bar)

Peter Mortensen · Accepted Answer · 2023-03-18 10:17:58Z

17

I don’t have the SVN stuff to try the same here. But, from what I see, you are missing a ForEach-Object (aliases % and foreach) after the pipe.

Try this

svn list svn://server/repository/myPath | ForEach-Object { $_.TrimEnd("/") }

or

svn list svn://server/repository/myPath | % { $_.TrimEnd("/") }

edited Mar 18, 2023 at 10:17

Peter Mortensen

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answered Nov 11, 2010 at 8:02

ravikanth

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1 Comment

tomka Over a year ago

Thank you. The ForEach-Object was missing!

Peter Mortensen · Accepted Answer · 2023-03-18 10:16:37Z

2

Use:

svn list svn://server/repository/myPath | % TrimEnd /

edited Mar 18, 2023 at 10:16

Peter Mortensen

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answered Dec 5, 2014 at 10:08

Zombo

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