Windows 10 64-bit. PowerShell 5.1
Update zipfiles with PowerShell 5 or >. Working code looking for improvement.
1.1.txt, 1.1.3.txt and 1.txt go in FileGroup0000000001.zip 11.txt and 11.1.txt goes in FileGroup0000000011.zip 2.1.3.6.txt, 2.1.3.6.7.txt, 2.1.txt, and 2.txt go in FileGroup0000000002.zip Update zipfiles with PowerShell 5 gci, regex, $Matches, foreach {$_ PadLeft}, Compress-Archive, and Remove-Item. Avg 29ms 9 files (48KB) 3 archives on ten runs.
For testing clear your desktop. There should be no .txt or .zip files on your desktop. There are 3 Remove-Item without -whatif or -confirm. Makes 9 text files and three zipfiles. Working script, test script, script w/ logfile.
#credit stackoverflow.com/a/60666329/8826818 pushd %USERPROFILE%\Desktop gci *.txt | where BaseName -match "^(\d+)(\.\d+)*$" | group { $Matches[1] } | foreach { $dest = 'FileGroup' + $_.Name.PadLeft(10, "0") + ".zip" Compress-Archive $_.Group $dest -ea Stop -update ri $_.Group} popd Make test files and test:
pushd %USERPROFILE%\Desktop ni @("1.1.txt", "1.txt", "11.txt", "2.1.3.6.txt", "2.1.txt","2.txt") > $null gci *.txt | where BaseName -match "^(\d+)(\.\d+)*$" | group { $Matches[1] } | foreach { $dest = 'FileGroup' + $_.Name.PadLeft(10, "0") + ".zip" Compress-Archive $_.Group $dest -ea Stop -update ri $_.Group} ni @("1.1.3.txt", "11.1.txt", "2.1.3.6.7.txt") > $null gci *.txt | where BaseName -match "^(\d+)(\.\d+)*$" | group { $Matches[1] } | foreach { $dest = 'FileGroup' + $_.Name.PadLeft(10, "0") + ".zip" Compress-Archive $_.Group $dest -ea Stop -update ri $_.Group} Read-Host @" Delete all FileGroup*.zip is next. There should be nine files in three archives. Press enter key to delete all test files "@ ri FileGroup*.zip # clear-variable -name ("Matches", "dest") popd # Make test files, ten run loop with logfile:
If(test-path logfile031822_030657692.txt) { cls Write-Output "`r`nOverwrite logfile031822_030657692.txt?`r`nPress any key to continue ... " cmd /c pause> nul} $zcommandpath=$MyInvocation.MyCommand.Path Write-Output "`r`nThis is $zcommandpath`r`nHow long to archive 9 text files.`r`nStarted: "((get-date).ToString('MM/dd/yy hh:mm:ss.ffff tt') -replace " : ", ":") | out-file -nonewline -append logfile031822_030657692.txt $times=@() $watch = New-Object System.Diagnostics.Stopwatch for ($zdoug=0;$zdoug -lt 10; $zdoug++){ $watch.Start() #put this at start of the loop ni @("1.1.txt", "1.txt", "11.txt", "2.1.3.6.txt", "2.1.txt","2.txt") > $null gci *.txt | where BaseName -match "^(\d+)(\.\d+)*$" | group { $Matches[1] } | foreach { $dest = 'FileGroup' + $_.Name.PadLeft(10, "0") + ".zip" Compress-Archive $_.Group $dest -ea Stop -update ri $_.Group} ni @("1.1.3.txt", "11.1.txt", "2.1.3.6.7.txt") > $null gci *.txt | where BaseName -match "^(\d+)(\.\d+)*$" | group { $Matches[1] } | foreach { $dest = 'FileGroup' + $_.Name.PadLeft(10, "0") + ".zip" Compress-Archive $_.Group $dest -ea Stop -update ri $_.Group} $times += $watch.Elapsed.TotalSeconds #this at the end $watch.reset() } $zLoopFinished=((get-date).ToString('MM/dd/yy hh:mm:ss.ffff tt') -replace " : ", ":") # clear-variable -name ("Matches", "dest", "i") # BEGIN DEBUG # Read-Host @" # Delete all FileGroup*.zip is next. # Press enter key to delete all test files # "@ #END DEBUG ri FileGroup*.zip popd # $times | Measure-Object -sum -ave -max -min $times | Measure-Object -sum -ave -max -min | out-file -append logfile031822_030657692.txt Write-Output "Finished: $zLoopFinished" | out-file -append logfile031822_030657692.txt (gc logfile031822_030657692.txt) | Where { $_.Trim(" `t") } | select-string -pattern "Property :" -notmatch | out-file logfile031822_030657692.txt #https://devblogs.microsoft.com/scripting/trim-your-strings-with-powershell/ $NewLine = gc logfile031822_030657692.txt | ForEach-Object { $_ if ($_ -match ('^' + [regex]::Escape( 'Finished:' ))){ " " }} $NewLine | Out-File logfile031822_030657692.txt -Force # LogFile:
This is How long to archive 9 text files. Started: 03/15/20 02:56:34.4380 PM Count : 10 Average : 0.38522078 Sum : 3.8522078 Maximum : 1.6380882 Minimum : 0.2281335 Finished: 03/15/20 02:56:39.9413 PM How to parse file path, name, basename with more than one dot with powershell.
How to parse basename to first dot.
How to use PadLeft.
How to add leading and ending zeroes to strings with PowerShell.
Update zipfiles with PowerShell 5 or greater. gci, get-childitem, regex, regular expression, regular expressions, $Matches, foreach, the current item from the pipe, $_, PadLeft, Compress-Archive, and Remove-Item. Average 29 milliseconds on 9 files (48KB) in 3 archives on ten runs.
