powershell 新文件助手

Posted 2021-05-22

function New-FileBackup{
    param([string]$FileName)

    $originalFile = (gci $FileName)
    $fileDateStamp = (get-date -Format 'yyyy-MM-dd HH-mm-ss')
    $newName =  "$($originalFile.DirectoryName)\$($originalFile.BaseName)-$fileDateStamp$($originalFile.Extension).bak"

    copy-item $originalFile $newName
}

## Usage
## New-FileInDesktopFolder BeforeAndAfterFolder CapturedStatistics csv
function New-FileInDesktopFolder {
    param(
        [string]$FolderName,
        [string]$FileSubjectName,
        [string]$FileExtension)

    $directory = Join-Path ([Environment]::GetFolderPath("Desktop")) $FolderName
    if(!(Test-Path $directory)) { md $directory | Out-Null }
    $CurrentDateAndTime = Get-Date
    $fileNameBase = $CurrentDateAndTime.ToString("yyyy-MM-dd-HH-mm-ss")

    $fileName = "$directory\$fileNameBase-$FileSubjectName.$FileExtension"
    if (-not (Test-Path $fileName)) {
        new-item -path $fileName -itemtype 'file'
    } else {
        gci $fileName
    }
}