Powershell get ipv4 address into a variable

Question

Is there an easy way in powershell 3.0 Windows 7 to get the local computer\'s ipv4 address into a variable?

Answer 1

Here is what I ended up using

$ipaddress = $(ipconfig | where {$_ -match 'IPv4.+\s(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})' } | out-null; $Matches[1])

which breaks down as

• execute ipconfig command - get all the network interface information
• use powershell's where filter with a regular expression
• regular expression finds the line with "IPv4" and a set of 4 blocks each with 1-3 digits separated by periods, i.e. a v4 IP address
• disregard the output by piping it to null
• finally get the first matched group as defined by the brackets in the regular expression.
• catch that output in $ipaddress for later use.