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    <p>I have two <strong>Powershell script</strong>, the first one help me to download <strong>ftp</strong> files from <strong>China</strong>:</p> <p><strong>Download FTP script</strong></p> <pre><code># Parametros param([string]$url, [string]$user, [string]$pass, [string]$folder, [string]$fecpro) if (!$fecpro) { $date = Get-Date $date = $date.AddDays(-1) $fecpro = '{0:yyyyMMdd}' -f $date } $FtpServer = "ftp://$url/$fecpro" $Username = $user $Password = $pass $RemoteFolder = $FtpServer if (!$folder) { $LocalFolder = $pwd.path + "\" } else { $LocalFolder = $folder + "\" if (-not(Test-Path -Path $LocalFolder)) { New-Item -ItemType Directory -Force -Path $LocalFolder } } Write-Host "Searching *.zip files from $RemoteFolder..." $existfiles = gci $LocalFolder | Where-Object { $_.name -like "*.zip" } $cntFile = 0 $totFiles = 1 $listFiles = @(0)*$totfiles $listFiles[1] = "cs2-" + $fecpro + "-6004-0000-1.zip" $existfiles = gci $LocalFolder | Where-Object { $_.name -like "*.zip" } do { try { $f_exist = $false $cntFile = $cntFile + 1 if ($existfiles) { foreach($file in $existfiles) { $tmpname = $file.name.ToString() $bool = $listFiles[$cntFile].CompareTo($file.name) if ($bool -eq 0) { $f_exist = ($f_exist -or $true) } else { $f_exist = ($f_exist -or $false) } } } if (!$f_exist -and $rescnt['CNT'] -eq 0) { $ftpfile = $RemoteFolder + "/" + $listFiles[$cntFile] $FTPRequest1 = [System.Net.FtpWebRequest]::Create($ftpfile) $FTPRequest1.Credentials = New-Object System.Net.NetworkCredential($Username,$Password) $FTPRequest1.Method = [System.Net.WebRequestMethods+Ftp]::DownloadFile $FTPRequest1.UsePassive = $true $FTPRequest1.UseBinary = $true $FTPRequest1.KeepAlive = $false $destfile = $LocalFolder + $listFiles[$cntFile] $file = New-Object IO.FileStream ($destfile, [IO.FileMode]::Create) $FTPResponse = $FTPRequest1.GetResponse() $ResponseStream = $FTPResponse.GetResponseStream() [byte[]] $buffer = New-Object byte[] 64 $FTPReader = $ResponseStream.Read($buffer, 0, 64) while($FTPReader -ne 0){ $FTPReader = $ResponseStream.Read($buffer,0, 64) $file.Write($buffer,0,$FTPReader) } Write-Host "File $ftpfile is downloaded in local folder." $file.Close() $FTPReader.Close() $FTPResponse.Close() $ResponseStream.Close() } else { Write-Host "The file $name already exists in local folder." } } catch { if ($file) { $file.Close() } } } while ($cntFile -lt $totFiles+1) </code></pre> <p>My second script unzip the files using unzip.exe that comes with <strong>Oracle client</strong>. (%ORACLE_HOME%\product\10.2.0\client_1\BIN)</p> <p><strong>Unzip files script</strong></p> <pre><code>param([string]$folder_origen, [string]$folder_destino, [string]$fecpro) $P_FOLDER = $folder_origen + "\" $P_DESTINO = $folder_destino + "\" if (!$fecpro) { $date = Get-Date $date = $date.AddDays(-1) $fecpro = '{0:yyyyMMdd}' -f $date } Write-Host "Searching *.zip files in $P_FOLDER" # Inicio del programa $LocalFolder = $P_FOLDER + "*$fecpro*.zip" $filelocation = gci $LocalFolder foreach ($file in $filelocation){ if (($file) -and ($file.length -gt 0kb)) { $shell = new-object -com shell.application $filename = $file.name.ToString() $split = $filename.Split(".") $dest = $P_DESTINO + $split[0] If (!(Test-Path $dest)) { New-Item $dest -Type Directory } $orifile = $P_FOLDER + $filename $time = "{0:hh_mm_ss.ffff}" -f (get-date) $prefile = "d." + (get-date).ToShortDateString() + ".t." + $time $prefile = $prefile -replace "/", "_" $filename = $prefile + ".f." + $filename $P_DESTZIP = $P_FOLDER + "proc" + "\" If (!(Test-Path $P_DESTZIP)) { New-Item $P_DESTZIP -Type Directory } #Copy-Item $orifile "$P_DESTZIP$prefile_$filename" $zipname = $orifile #"$P_DESTZIP$prefile_$filename" $zip = $shell.NameSpace($zipname) $destn = $shell.Namespace($dest) unzip -o -qq $zipname "*$fecpro*afsbjdtl.*" "*$fecpro*afgnled.bin" -d $dest Write-Host "$orifile was renamed and unzipped." } else { Write-Host "Zip files not found in the folder." } } </code></pre> <p>I search files to extract with a <strong>pattern</strong> when i could use filters like the <strong>size</strong> of file, the <strong>name</strong>, the <strong>extension</strong> and it's very fast.</p> <p>Finally about load i sugest the command <strong>LOAD DATA</strong> too. It's have the best performance.</p>
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