Change paths from slash to backslash in a file with powershell

Question

I have a config file originating from a unix environment, where the basepath is replaced with the basepath in windows:

inputdir = D:\etl-i_win_4/input/000/
inputdir = D:\etl-i_win_4/input/001/
inputdir = D:\etl-i_win_4/input/002/
inputdir = D:\etl-i_win_4/input/003/
inputdir = D:\etl-i_win_4/input/004/
inputdir = D:\etl-i_win_4/input/005/
inputdir = D:\etl-i_win_4/input/006/
inputdir = D:\etl-i_win_4/input/007/
inputdir = D:\etl-i_win_4/input/008/
inputdir = D:\etl-i_win_4/input/009/

movepostcmd = D:\etl-i_win_4/divider/bin/os-independant/divider.postprocessing

ctrldir = D:\etl-i_win_4/divider/applogs/

lockglob = /opt/netmind/test/etl-festo/kette/divider/applogs/dividerglob.lock

I need proper windows paths with backslashes. How would a function look like, that reads the config file, identifies the lines with windows paths, and replaces all / with \? Note that the last line with a unix path should be ignored.

In PowerShell, generally, backslash and forward slash in paths are interchangeable. So, are you really sure that you do need to replace the forward slashes? — Klas Mellbourn
– Klas Mellbourn, Commented Jun 18, 2013 at 18:50
@Klas: That's a config file for a c++ programm. It doesn't like windows paths with slashes in it. So yes I need to replace them. — mles
– mles, Commented Jun 18, 2013 at 18:54

JPBlanc · Accepted Answer · 2013-06-18 19:25:47Z

3

you can try thid to replace all path:

Get-Content "C:\temp\config.txt" | % {$_ -replace '/','\'} | set-content "C:\temp\config Bis.txt"

Just for Windows path accordind to the fact each line containing a Windows path match "A_LETTER:\" patern ... not so good, but it can do the job :

Get-Content "C:\temp\path.txt" | % {if ($_ -match "[A-Z]:\\"){$_ -replace '/','\'}else {$_}} | set-content "C:\temp\path Bis.txt"

edited Jun 18, 2013 at 19:25

answered Jun 18, 2013 at 19:17

JPBlanc

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1 Comment

Ansgar Wiechers Over a year ago

I'd make the pattern either just [A-Z]: or [A-Z]:[\\/], in case the first path separator is a / too.

Nick F · Accepted Answer · 2013-06-18 20:22:40Z

0

You could also try using .Net Path class:

Get-Content "C:\temp\config.txt" | % { [System.Io.Path]::GetFullPath($_) }

answered Jun 18, 2013 at 20:22

Nick F

11

1 Comment

Ansgar Wiechers Over a year ago

That would also transform Unix paths into Windows paths.

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