How to extract a string from an array powershell

Question

I need to extract a string from the following $parse.

 $parse = select-string -path .\xxx.log "Error" -allmatches –simplematch -context 1

Example of string contain:

 Start : Error : billing 1150116682 not found - exit. Source : /mnt/xxx/roo/foo/aaa/115565841_yyyyy.pdf
===================================================================================================================================================

I need extract only Source : /mnt/xxx/roo/foo/aaa/115565841_yyyyy

how can I do it ?

thx

You can use substring for that.

Ranadip Dutta
– Ranadip Dutta

2017-02-08 15:12:00 +00:00
Commented Feb 8, 2017 at 15:12 — Ranadip Dutta
– Ranadip Dutta, Commented Feb 8, 2017 at 15:12

Bill_Stewart · Accepted Answer · 2017-02-08 15:22:31Z

1

Don't use -SimpleMatch because that prevents use of a regular expression, which we can use to extract the needed substring. Here is an example:

$s = "Start : Error : billing 1150116682 not found - exit. Source : /mnt/xxx/roo/foo/aaa/115565841_yyyyy.pdf"
$s | Select-String "Error : .* Source : (.*)" | ForEach-Object {
  $_.Matches[0].Groups[1].Value -replace '\.pdf$', ''
}

The above outputs the string /mnt/xxx/roo/foo/aaa/115565841_yyyyy.

edited Feb 8, 2017 at 15:22

answered Feb 8, 2017 at 15:15

Bill_Stewart

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4 Comments

Nkosi Over a year ago

exclude the .pdf

labase Over a year ago

Thank you for your answers.

labase Over a year ago

I also found in this property what I also look for. All I have to do is to treat her <pre> $parses |foreach { $_.context.Postcontext } </pre>

oey Over a year ago

Thanks! I had to list the versions from a path.

$listOfInstalledVersions = Get-ChildItem $path |  Select-Object Name | Select-String "funky\.foo-(\d+\.\d+\.\d+\.\d+)" | ForEach-Object { 		$_.Matches[0].Groups[1].Value 	}

Prientus · Accepted Answer · 2017-02-08 15:14:53Z

0

You can do a string split like this:

$array = $parse.split(':') $lastItem = $array[-1]

And then get the item you want from the list. Assuming you know where what you need is.

answered Feb 8, 2017 at 15:14

Prientus

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1 Comment

labase Over a year ago

Thank you for your answers.

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