[文件操作] 批处理怎样统计文件件里多少张图片和多少个视频和大小？

#&@cls&cd /d "%~dp0" & powershell -c "Get-Content '%~0' | Select-Object -Skip 1 | Out-String | Invoke-Expression" & pause&exit
#图片格式
$pic_ext = 'jpg png'
#视频格式
$video_ext = 'mp4 mkv flv'
#遍历
$pic_pattern = '^\.(' + $pic_ext + ')$' -replace '\s+','|'
$video_pattern = '^\.(' + $video_ext + ')$' -replace '\s+','|'
Get-ChildItem | Where-Object { [System.IO.Directory]::Exists($_.FullName) } | foreach {
    $size = $pic = $video = 0
    Get-ChildItem -Recurse $_ | foreach {
        $size += $_.Length
        if($_.Extension -match $pic_pattern){
            ++$pic
        } elseif($_.Extension -match $video_pattern){
            ++$video
        }
    }
    if($size -lt 1024){
        $size_str = '' + [int]$size + 'Byte'
    } elseif($size -lt 1024 * 1024){
        $size_str = '' + [int]($size / 1024) + 'KB'
    } elseif($size -lt 1024 * 1024 * 1024){
        $size_str = '' + [int]($size / 1024 / 1024) + 'MB'
    } else {
        $size_str = '' + [int]($size / 1024 / 1024 / 1024) + 'GB'
    }
    if($video -gt 0){ $str = ('_' + $video + 'v') } else { $str = '' }
    $new_name = '{0} [{1}p{2}-{3}]' -f $_.Name,$pic,$str,$size_str
    $new_name
	Invoke-Expression ('cmd /c rename "{0}" "{1}"' -f $_.FullName,$new_name)
    '--------------'
}
复制代码

#&@cls&cd /d "%~dp0" & powershell -c "Get-Content '%~0' | Select-Object -Skip 1 | Out-String | Invoke-Expression" & pause&exit
#图片格式
$pic_ext = 'jpg png'
#视频格式
$video_ext = 'mp4 mkv flv'
#输出文件
$file_info = 'info.txt'
#遍历
$pic_pattern = '^\.(' + $pic_ext + ')$' -replace '\s+','|'
$video_pattern = '^\.(' + $video_ext + ')$' -replace '\s+','|'
&{
	Get-ChildItem | Where-Object { [System.IO.Directory]::Exists($_.FullName) } | foreach {
		$size = $pic = $video = 0
		Get-ChildItem -Recurse -LiteralPath $_ | foreach {
			$size += $_.Length
			if($_.Extension -match $pic_pattern){
				++$pic
			} elseif($_.Extension -match $video_pattern){
				++$video
			}
		}
		if($size -lt 1024){
			$size_str = '' + [int]$size + 'Byte'
		} elseif($size -lt 1024 * 1024){
			$size_str = '' + [int]($size / 1024) + 'KB'
		} elseif($size -lt 1024 * 1024 * 1024){
			$size_str = '' + [int]($size / 1024 / 1024) + 'MB'
		} else {
			$size_str = '' + [int]($size / 1024 / 1024 / 1024) + 'GB'
		}
		if($video -gt 0){ $str = ('_' + $video + 'v') } else { $str = '' }
		$new_name = '{0} [{1}p{2}-{3}]' -f $_.Name,$pic,$str,$size_str
		$new_name
		Write-Host $new_name
		Invoke-Expression ('cmd /c rename "{0}" "{1}"' -f $_.FullName,$new_name)
		Write-Host '--------------'
	}
} | Out-File $file_info
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#&@cls&cd /d "%~dp0" & powershell -c "Get-Content '%~0' | Select-Object -Skip 1 | Out-String | Invoke-Expression" & pause&exit
#图片格式
$pic_ext = 'jpg png'
#视频格式
$video_ext = 'mp4 mkv flv'
#输出文件
$file_info = 'info.txt'
#函数 格式化显示数据
function Fmt-Data($name,$pic,$video,$size){
	$unit = @('Byte','KB','MB','GB','TB')
	$index = 0
	$num = $size
	while($size -ge 1024){
		++$index
		$size /= 1024
		$num = $size % 1024
	}
	$str_size = '' + [Math]::Round($num,[MidpointRounding]::AwayFromZero) + $unit[$index]
	if($video -gt 0){ 
		$str_video = '_' + $video + 'v' 
	} else {
		$str_video = ''
	}
	return '{0} [{1}p{2}-{3}]' -f $name,$pic,$str_video,$str_size
}
#遍历
$pic_pattern = '^\.(' + $pic_ext + ')$' -replace '\s+','|'
$video_pattern = '^\.(' + $video_ext + ')$' -replace '\s+','|'
$total_size = $total_pic = $total_video = 0
Get-ChildItem | Where-Object { [System.IO.Directory]::Exists($_.FullName) } | foreach {
	$size = $pic = $video = 0
	Get-ChildItem -Recurse -LiteralPath $_ | foreach {
		$size += $_.Length
		if($_.Extension -match $pic_pattern){
			++$pic
		} elseif($_.Extension -match $video_pattern){
			++$video
		}
	}
	$total_size += $size
	$total_pic += $pic
	$total_video += $video	
	$new_name = Fmt-Data -name $_.Name -pic $pic -video $video -size $size
	$new_name
	Invoke-Expression ('cmd /c rename "{0}" "{1}"' -f $_.FullName,$new_name)
	'--------------'
}
"`r`n--------------"
$str = Fmt-Data -name (Get-Item .).Name -pic $total_pic -video $total_video -size $total_size
$str
$str | Out-File $file_info
"--------------"
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