powershell 1GB code example
Example 1: powershell convert text 20MB to bytes
$str = '3GB'
$int64 = [int64]$str.Replace('GB','') * 1GB
Example 2: powershell convert text 20MB to bytes
function Convert-Size {
[cmdletbinding()]
param(
[validateset("Bytes","KB","MB","GB","TB")]
[string]$From,
[validateset("Bytes","KB","MB","GB","TB")]
[string]$To,
[Parameter(Mandatory=$true)]
[double]$Value,
[int]$Precision = 4
)
switch($From) {
"Bytes" {$value = $Value }
"KB" {$value = $Value * 1024 }
"MB" {$value = $Value * 1024 * 1024}
"GB" {$value = $Value * 1024 * 1024 * 1024}
"TB" {$value = $Value * 1024 * 1024 * 1024 * 1024}
}
switch ($To) {
"Bytes" {return $value}
"KB" {$Value = $Value/1KB}
"MB" {$Value = $Value/1MB}
"GB" {$Value = $Value/1GB}
"TB" {$Value = $Value/1TB}
}
return [Math]::Round($value,$Precision,[MidPointRounding]::AwayFromZero)
}