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我有一个备份脚本,可以将多个文件目录复制到备份位置。不幸的是,并非文件夹中的所有文件都可以访问。历史是什么,它们被归档了,剩下的是一个带有灰色 x 的文件名。当我尝试复制它时,我收到以下消息:
Copy-Item : Access to the path 'E:\Backup\Loc\DO\zOLD_Under Review for NOT USED_keep for now\2006-06\N.doc' is denied.
At C:\Users\me\Documents\powershellFiles\Backup.ps1:13 char:4
+ Copy-Item -Path $SourcePath -Destination $DestinationPath -Force - ...
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : PermissionDenied: (N.doc:FileInfo) [Copy-Item], UnauthorizedAccessException
+ FullyQualifiedErrorId : CopyDirectoryInfoItemUnauthorizedAccessError,Microsoft.PowerShell.Commands.CopyItemCommand
function CopyFileToFolderUNC($SourcePath, $DestinationPath){
if(-Not (Test-Path $SourcePath))
{
$global:ErrorStrings.Add("Exception: No such path, $SourcePath;; ")
write-output "++ Error: An error occured during copy operation. No such path, $SourcePath ++"
}
Copy-Item -Path $SourcePath -Destination $DestinationPath -Force -Recurse -errorVariable errors
foreach($error in $errors)
{
if ($error.Exception -ne $null)
{
$global:ErrorStrings.Add("Exception: $($error.Exception);; ")
write-output "++ Error: An error occured during copy operation. Exception: $($error.Exception) ++" #this breakpoint is hit after giving errors on screen and taking a long time/failing to copy files it can't reach
}
write-output "Error: An error occured during copy operation. Exception: $($error.Exception)"
}
}
function CopyFileToFolderUNC($SourcePath, $DestinationPath, $exclude){
if(-Not (Test-Path $SourcePath )) #-PathType Container
{
$global:ErrorStrings.Add("Exception: No such path, $SourcePath;; ")
write-output "++ Error: An error occured during copy operation. No such path, $SourcePath ++"
}
#$tempFileName = [System.IO.Path]::GetFileName($SourcePath)
#$tempDestFileNamePath = "$DestinationPath\$tempFileName"
Get-ChildItem -Path $SourcePath -Recurse -Force | ForEach {$_} {
#test if maybe we are dealing with an off-line file here
#or use the enum name 'Offline'
# or use the numeric value: 4096
#$oldAttribs = $null
$attr = $_.Attributes.value__
write-output "++ $_ $attr ++"
if (($_.Attributes -eq [System.IO.FileAttributes]::Offline) -or ($_.Attributes.value__ -eq "4096")) {
$_.Attributes=[System.IO.FileAttributes]::Normal
#$oldAttribs = $_.Attributes
#make it a 'normal' file with only the Archive bit set
#$_.Attributes = [System.IO.FileAttributes]::Archive
#log that the file was an issue and copy the other ones
$global:ErrorStrings.Add("Found offline file in backup dir, $_. Logging info and not copying this file. Offline. Please investigate.;; ")
write-output "++ Error: An error occured during copy operation. No such path or file, Offline $_ ++"
} #if
elseif(($_.Attributes -eq [System.IO.Fileattributes]::Archive) -or ($_.Attributes.value__ -eq "32")) {
$global:ErrorStrings.Add("Found offline file in backup dir, $_. Logging info and not copying this file. Archive. Please investigate.;; ")
write-output "++ Error: An error occured during copy operation. No such path or file, Archive $_ ++"
} #elseif
elseif(($_.Attributes -eq [System.IO.Fileattributes]::SparseFile) -or ($_.Attributes.value__ -eq "512")) {
$global:ErrorStrings.Add("Found offline file in backup dir, $_. Logging info and not copying this file. SparseFile. Please investigate.;; ")
write-output "++ Error: An error occured during copy operation. No such path or file, SparseFile $_ ++"
} #elseif
elseif(($_.Attributes -eq [System.IO.Fileattributes]::ReparsePoint) -or ($_.Attributes.value__ -eq "1024")) {
$global:ErrorStrings.Add("Found offline file in backup dir, $_. Logging info and not copying this file. ReparsePoint. Please investigate.;; ")
write-output "++ Error: An error occured during copy operation. No such path or file, ReparsePoint $_ ++"
} #elseif
else {
#the file is not or no longer off-line, so proceed with the copy
$_ | Copy-Item -Destination $DestinationPath -Force -Recurse -ErrorVariable errors
foreach($error in $errors)
{
if ($error.Exception -ne $null)
{
$global:ErrorStrings.Add("Exception: $($error.Exception);; ")
write-output "++ Error: An error occured during copy operation. Exception: $($error.Exception) ++"
}
write-output "Error: An error occured during copy operation. Exception: $($error.Exception)"
}
} #else
#if ($oldAttribs) {
# $_.Attributes = $oldAttribs
#}
} #Get-ChildItem
最佳答案
在我看来,您描述的文件是离线文件。
在您的函数中,您可以使用以下方法测试是否是这种情况:
function CopyFileToFolderUNC($SourcePath, $DestinationPath){
if(-Not (Test-Path $SourcePath)) {
$global:ErrorStrings.Add("Exception: No such path, $SourcePath;; ")
Write-Output "++ Error: An error occured during copy operation. No such path, $SourcePath ++"
}
# test if maybe we are dealing with an off-line file here
if ((Get-Item -Path $SourcePath).Attributes -band 4096) { # or use the enum name 'Offline'
# or use .Net:
# [System.IO.File]::GetAttributes($SourcePath) -band 4096
Write-Output "Did not copy: File '$SourcePath' is currently off-line. "
}
else {
# the file is not off-line, so proceed with the copy
Copy-Item -Path $SourcePath -Destination $DestinationPath -Force -Recurse -errorVariable errors
foreach($error in $errors) {
if ($error.Exception) {
$global:ErrorStrings.Add("Exception: $($error.Exception);; ")
Write-Output "++ Error: An error occured during copy operation. Exception: $($error.Exception) ++" #this breakpoint is hit after giving errors on screen and taking a long time/failing to copy files it can't reach
}
Write-Output "Error: An error occured during copy operation. Exception: $($error.Exception)"
}
}
}
$SourcePath
的目录中找到的所有文件。 .
function CopyFileToFolderUNC($SourcePath, $DestinationPath){
if(-Not (Test-Path $SourcePath -PathType Container)) {
$global:ErrorStrings.Add("Exception: No such path '$SourcePath'")
Write-Output "++ Error: An error occured during copy operation. No such path '$SourcePath' ++"
}
Get-ChildItem -Path $SourcePath -File | ForEach-Object {
# test if maybe we are dealing with an off-line file here
# or use the enum name 'Offline'
# or use the numeric value: 4096
if ($_.Attributes -band [System.IO.FileAttributes]::Offline) {
Write-Output "Did not copy: File '$($_.FullName)' is currently off-line."
}
else {
# the file is not off-line, so proceed with the copy
$_ | Copy-Item -Destination $DestinationPath -Force -Recurse -ErrorVariable errors
foreach($error in $errors) {
if ($error.Exception) {
$global:ErrorStrings.Add("Exception: $($error.Exception);; ")
Write-Output "++ Error: An error occured during copy operation. Exception: $($error.Exception) ++"
}
Write-Output "Error: An error occured during copy operation. Exception: $($error.Exception)"
}
}
}
}
function CopyFileToFolderUNC($SourcePath, $DestinationPath){
if(-Not (Test-Path $SourcePath -PathType Container)) {
$global:ErrorStrings.Add("Exception: No such path '$SourcePath'")
Write-Output "++ Error: An error occured during copy operation. No such path '$SourcePath' ++"
}
Get-ChildItem -Path $SourcePath -File | ForEach-Object {
# test if maybe we are dealing with an off-line file here
# or use the enum name 'Offline'
# or use the numeric value: 4096
$oldAttribs = $null
if ($_.Attributes -band [System.IO.FileAttributes]::Offline) {
$oldAttribs = $_.Attributes
# make it a 'normal' file with only the Archive bit set
$_.Attributes = [System.IO.FileAttributes]::Archive
}
# the file is not or no longer off-line, so proceed with the copy
$_ | Copy-Item -Destination $DestinationPath -Force -Recurse -ErrorVariable errors
foreach($error in $errors) {
if ($error.Exception) {
$global:ErrorStrings.Add("Exception: $($error.Exception);; ")
Write-Output "++ Error: An error occured during copy operation. Exception: $($error.Exception) ++"
}
Write-Output "Error: An error occured during copy operation. Exception: $($error.Exception)"
}
# if you want the attributes in the original file to be restored, use:
if ($oldAttribs) {
$_.Attributes = $oldAttribs
}
}
}
关于powershell - 如何处理复制项的错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/53946910/
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