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Parsing a file for a date

Posted on 2013-11-22
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Last Modified: 2013-11-22
A powershell Noob,

I'm trying to parse a webpage to pull the expiration date of the equipment.  

Process so far:

1.

Powershell Script goes out and Queries each machine on the network and gets the following: Serial Number, Model, User

2.

copies the information to a comma separated text file

3.

queries lenovo website to get the warranty expiration date
I'm trying to use the HTML temp file to parse the expiration date.  All I want is the expiration date from the file, but because the literal expression is "<td valign="top" width="120">2015-10-20</td><td valign="top" width="4">" with the expiration date being "2015-10-20" I'm unable to get that information.

I can't do a query for the exact match because as mentioned it's several machines.  Once I can complete the query I can output the data to a text file, I just can't figure out how to format the query.

The temp HTML file is attached.

Thanks in advance

Eric
WarrantyLookup.txt
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Question by:erobby
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Accepted Solution

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Subsun earned 2000 total points
ID: 39670157
Try this and see if you get the correct Warranty information..
$Value = GC C:\WarrantyLookup.txt | 
	Select-String -Pattern `
	"(Expiration\sdate:).*(20\d\d\-(0[1-9]|1[012])\-(0[1-9]|[12][0-9]|3[01]))"`
| % {$_.Matches | Select -ExpandProperty groups }

$Value[2].Captures[0].Value

Open in new window

BTB, Expression "\d{4}\-\d{2}\-\d{2}" or "20\d{2}\-\d{2}\-\d{2}" will also match the date format, However it will also match values like 2099-99-99. But in your case we are not expecting such values in the webpage so it may work..

"20\d\d\-(0[1-9]|1[012])\-(0[1-9]|[12][0-9]|3[01])" will give you the exact match for date format..
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Author Closing Comment

by:erobby
ID: 39670271
Subsun,

Thanks I just need to tweak it now for my script.
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