Source code for memory.ps

# Memory.ps1,  Version 2.01

# Display total and free amounts of physical memory in Bytes, KB and MB

#

# Usage:  ./Memory.ps1  [ remote_computer ]

#

# Written by Rob van der Woude

# http://www.robvanderwoude.com

param( [string]$computer = "." )

if ( $HOME[0] -eq "/" ) {

	# Linux

	# Ignores computer name

	# Uses /proc/meminfo

	# Tip by silver_moon on Linux.com:

	# https://www.linux.com/blog/5-commands-check-memory-usage-linux

	[string[]]$freeStr = ( ( Select-String -Path /proc/meminfo -Pattern "MemAvailable" ) -Split ":" )[3].Trim( ) -Split "\s+"

	[string[]]$physStr = ( ( Select-String -Path /proc/meminfo -Pattern "MemTotal" ) -Split ":" )[3].Trim( ) -Split "\s+"

	[int64]$free = [int64]$freeStr[0] * ( "1" + $freeStr[1] )

	[int64]$phys = [int64]$PhysStr[0] * ( "1" + $physStr[1] )

} else {

	# Windows

	# Uses WMI

	# Code generated by WMIGen:

	# http://www.robvanderwoude.com/wmigen.php

	$free = ( Get-WMIObject Win32_OperatingSystem -ComputerName $computer ).FreePhysicalMemory * 1KB

	$phys = ( Get-WMIObject Win32_OperatingSystem -ComputerName $computer ).TotalVisibleMemorySize * 1KB

}

if ( $computer -ne "." ) {

	Write-Host

	Write-Host "Computer: $computer"

}

Write-Host

Write-Host "Physical memory".PadRight( 16, " " ) -NoNewline

Write-Host "Bytes".PadLeft( 14, " " ) -NoNewline

Write-Host "KB".PadLeft( 11, " " ) -NoNewline

Write-Host "MB".PadLeft( 8, " " )

Write-Host ( "=" * 49 )

Write-Host "Available".PadRight( 16, " " ) -NoNewline

Write-Host ([string]$free).PadLeft( 14, " " ) -NoNewline

Write-Host ([string][int]($free / 1KB)).PadLeft( 11, " " ) -NoNewline

Write-Host ([string][int]($free / 1MB)).PadLeft( 8, " " )

Write-Host "Total".PadRight( 16, " " ) -NoNewline

Write-Host ([string]$phys).PadLeft( 14, " " ) -NoNewline

Write-Host ([string][int]($phys / 1KB)).PadLeft( 11, " " ) -NoNewline

Write-Host ([string][int]($phys / 1MB)).PadLeft( 8, " " )

Write-Host