我使用以下代码从 txt 文件中的计算机列表中提取系统信息。 大部分信息似乎都正确提取，并且 write-host 命令显示了正确的返回值，但在我的结果文件中，即使列表不包含重复条目，我也会收到重复的计算机名称，并且进度显示在终端主机显示名称列表的所有不同信息。 有人知道为什么会以这种方式写入 csv 文件吗？
谢谢！
set-location "c:\myfolder"
$ErrorActionPreference = 'SilentlyContinue'
$exportFile = 'c:\myfolder\system-info.csv'
$TstConnect = test-connection $Computer
$t = 0
$i = 0
$tab_char = [char]9
#Clear screen & old file
Clear-Host
try {
# Attempt to open the file exclusively for read access
$file = [System.IO.File]::Open($exportfile, 'Open', 'Read', 'None')
$file.Close() # Close the file if successful
Write-Host "File $exportfile is not open. Deleting old results file... $exportfile" -BackgroundColor DarkCyan
remove-item $exportFile
} catch {
Write-Host "File is open or in use by another process. Ending the task." -BackgroundColor DarkRed
break
}
# Get Totals
foreach ($Computer in Get-Content c:\myfolder\computers.txt)
{
$t++
}
write-Host "$t total computers " -BackgroundColor DarkCyan
foreach ($Computer in Get-Content c:\myfolder\computers.txt) {
$i++
$p = "{0:N1}" -f ($i * 100 / $t)
if ($TstConnect.IPV4Address.IPAddressToString[0]) {
$computerSystem = get-wmiobject Win32_ComputerSystem -Computer $Computer
write-Host $computerSystem.name "is online, checking $tab_char $i of $t $tab_char $p% complete " -BackgroundColor DarkCyan
$computerBIOS = get-wmiobject Win32_BIOS -Computer $Computer
$AssetTag = Get-WmiObject -Class Win32_SystemEnclosure -Computer $Computer | Select-Object SMBiosAssetTag
$computerOS = get-wmiobject Win32_OperatingSystem -Computer $Computer
$computerCPU = get-wmiobject Win32_Processor -Computer $Computer
$computerNET = Get-WmiObject -Class Win32_NetworkAdapterConfiguration -ComputerName $Computer | Where-Object { $_.IPAddress -ne $null -and $_.Description -like "*Ethernet*" }
$computerIP = Get-WmiObject -Class Win32_NetworkAdapterConfiguration -Filter IPEnabled=TRUE -ComputerName $computer | Select-Object -Property ipaddress
$computerHDD = Get-WmiObject Win32_LogicalDisk -ComputerName $Computer -Filter drivetype=3
$csvObject = New-Object PSObject -property @{
'PCName' = $computerSystem.Name
'MACAddress' = $computerNET.MACAddress
'IPAddress' = ($computerIP.ipaddress)[0]
'Manuf' = $computerSystem.Manufacturer
'Model' = $computerSystem.Model
'AssetTag' = $AssetTag.SMBiosAssetTag
'SerialNumber' = $computerBIOS.SerialNumber
'RAM' = "{0:N2}" -f ($computerSystem.TotalPhysicalMemory/1GB)
'HDDSize' = "{0:N2}" -f ($computerHDD.Size/1GB)
'HDDFree' = "{0:P2}" -f ($computerHDD.FreeSpace/$computerHDD.Size)
'CPU' = $computerCPU.Name
'OS' = $computerOS.caption
'Version' = $computerOS.Version
'SP' = $computerOS.ServicePackMajorVersion
'User' = $computerSystem.UserName
'BootTime' = $computerOS.ConvertToDateTime($computerOS.LastBootUpTime)
}
}
else{
write-Host "$Computer is not online... $p% complete" -BackgroundColor DarkRed
$csvObject = New-Object PSObject -property @{
'PCName' = $Computer
'Manuf' = "xxxxx"
'Model' = "xxx Offline xxx"
'SerialNumber' = "xxxxx"
'AssetTag' = "xxxxx"
'RAM' = "xxxxx"
'HDDSize' = "xxxxx"
'HDDFree' = "xxxxx"
'CPU' = "xxxxx"
'OS' = "xxxxx"
'Version' = "xxxxx"
'SP' = "xxxxx"
'User' = "xxxxx"
'BootTime' = "xxxxx"
'MACAddress' = "xxxxx"
'IPAddress' = "xxxxx"
}
}
$csvObject | Select PCName, HDDFree, Manuf, Model, OS, Version, SP, User, BootTime, MACAddress, IPAddress, AssetTag | Export-Csv $exportfile -NoTypeInformation -Append
}
Write-host "All computers processed. File created at $exportfile"
do {
$response = Read-Host -Prompt "Do you want to open the file to view it? (Y/N)"
if ($response -eq "Y") {
Write-Host "Opening $exportfile..."
Start-Process -FilePath $exportfile
break
} elseif ($response -eq "N") {
Write-Host "Exiting..."
break
} else {
Write-Host "Invalid input. Please enter Y or N."
}
} while ($true)
Get-CimInstanceGet-WmiObject$sourceFile = 'D:\Test\computers.txt'
$exportFile = 'D:\Test\system-info.csv'
# from https://learn.microsoft.com/en-us/windows/win32/cimwin32prov/win32-systemenclosure
$chassisTypes = 'Unknown','Other','Unknown','Desktop','Low Profile Desktop','Pizza Box','Mini Tower',
'Tower','Portable','Laptop','Notebook','Hand Held','Docking Station','All in One',
'Sub Notebook','Space-Saving','Lunch Box','Main System Chassis','Expansion Chassis',
'SubChassis','Bus Expansion Chassis','Peripheral Chassis','Storage Chassis',
'Rack Mount Chassis','Sealed-Case PC','Tablet','Convertible','Detachable'
# get the list of computernames, ignore empty lines and remove duplicates where present
$allComputers = @(Get-Content -Path $sourceFile | Where-Object { $_ -match '\S+' } | Sort-Object -Unique)
Write-Host "$($allComputers.Count) total computers" -BackgroundColor DarkCyan
# loop over the list of computers and capture the info in variable $result
$result = foreach ($Computer in $allComputers) {
if (Test-Connection -ComputerName $Computer -Count 1 -Quiet) {
Write-Host "Getting information for computer '$Computer'"
$system = Get-CimInstance -ClassName Win32_ComputerSystem -Computer $Computer
$bios = Get-CimInstance -ClassName Win32_BIOS -Computer $Computer
$chassis = Get-CimInstance -ClassName Win32_SystemEnclosure -Computer $Computer
$os = Get-CimInstance -ClassName Win32_OperatingSystem -Computer $Computer
$cpu = Get-CimInstance -ClassName Win32_Processor -Computer $Computer | Select-Object -First 1
$disks = Get-CimInstance -ClassName Win32_LogicalDisk -Filter 'DriveType=3' -ComputerName $Computer
$net = Get-CimInstance -ClassName Win32_NetworkAdapterConfiguration -ComputerName $computer | Where-Object { $_.IPAddress -match '\S+' }
foreach ($hdd in @($disks)) {
# output the computer info (one row for each found harddisk)
[PSCustomObject]@{
PCName = $system.Name
MACAddress = $net.MACAddress
IPAddress = $net.IPAddress[0]
Manuf = $system.Manufacturer
Model = $system.Model
AssetTag = $chassis.SMBiosAssetTag
PCType = $chassisTypes[$chassis.ChassisTypes[0]]
SerialNumber = $bios.SerialNumber
RAM = '{0:N2}' -f ($system.TotalPhysicalMemory/1GB)
HDDDrive = $hdd.DeviceID
HDDVolume = $hdd.VolumeName
HDDSize = '{0:N2}' -f ($hdd.Size/1GB)
HDDFree = '{0:P2}' -f ($hdd.FreeSpace/$hdd.Size)
CPU = $cpu.Name
OS = $os.Caption
Version = $os.Version
Build = $os.BuildNumber
SP = '{0}.{1}' -f $os.ServicePackMajorVersion, $os.ServicePackMinorVersion
BootTime = $os.LastBootUpTime # Get-CimInstance returns a DateTime object
User = $system.UserName
}
}
}
else {
Write-Warning "$Computer is not online..."
# output an almost empty object for the computer that cannot be reached
# use the same properties as for the objects that do have info
'' | Select-Object @{Name = 'PCName'; Expression = {$Computer}},
MACAddress, IPAddress, Manuf, Model, AssetTag, PCType, SerialNumber, RAM,
HDDDrive, HDDVolume, HDDSize, HDDFree, CPU, OS, Version, Build, SP, BootTime, User
}
}
# save the result to CSV
$result | Export-Csv -Path $exportfile -NoTypeInformation