Compressing and Extracting folders

compressing.ps1

#
# Uses 7Z to compress all $targetPath's subfolders.
#
# Example:
# root 
# - HTML
#   - Folder1
#   - Folder2
#   - Folder3
#
# At root path, type:
#
# compressing HTML
# > It will produces Folder1.zip, Folder2.zip and Folder3.zip under HTML folder.
#
param([String]$targetPath)

$thisFolder = Get-Location
$logFile = "$($thisFolder)\compressing-errors.log"

Function LogWrite
{
   Param ([string]$logString)

   Add-content $LogFile -value $logString
}

$folders = Get-ChildItem -Path $targetPath -Directory -Force -ErrorAction SilentlyContinue | Select-Object FullName, Name
foreach($folder in $folders) {
    try {
        Write-Host
        Write-Host "Compress folder $($folder.Name)..."
        7Z a "$($targetPath)\$($folder.Name).zip" -stl "$($folder.Fullname)"
        Write-Host "Folder compressed." -Fore Green
    } catch {
        Write-Host "Error on compressing $($folder.Fullname) !" -Fore Red
        LogWrite "Erros on compressing $($folder.Fullname) !"
    }
}

expanding.ps1

# ----------------
# Expand all compressed files contained in $targetPath
# Warning: this will expand current .zip or .7z to destiny folder, without create a subfolder.
#          To create a subfolder with same name of compressed file, use extracting.ps1
# ----------------
param([String]$targetPath)

$thisFolder = Get-Location
$destPath = $targetPath
$logFile = "$($thisFolder)\expanding-errors.log"

Function LogWrite
{
   Param ([string]$logString)

   Add-content $LogFile -value $logString
}

$zipped = Get-ChildItem -Path "$($targetPath)\*" -File -Include *.zip, *.7z | Select-Object FullName, Name
foreach($zipfile in $zipped) {
    try {
        Write-Host
        Write-Host "Expanding folder $($zipfile.Name)..."
        7z e $zipfile.Fullname "-o$($destPath)"
        Write-Host "Pasta descompactada." -Fore Green
    } catch {
        Write-Host "Error on expand folder $($zipfile.Fullname) on $($destPath) !" -Fore Red
        LogWrite "Error on expand folder $($zipfile.Fullname) on $($destPath) !"
    }
}

extracting.ps1

# ----------------
# Extract all compressed files contained in $targetPath
# Warning: this will expand current .zip or .7z to same name subfolder.
#          To extract without create a subfolder with same name of compressed file, use expanding.ps1
# ----------------
param([String]$targetPath)

$thisFolder = Get-Location
$destPath = $targetPath
$logFile = "$($thisFolder)\extracting-errors.log"

Function LogWrite
{
   Param ([string]$logString)

   Add-content $LogFile -value $logString
}

$zipped = Get-ChildItem -Path "$($targetPath)\*" -File -Include *.zip, *.7z | Select-Object FullName, Name, Basename
foreach($zipfile in $zipped) {
    try {
        Write-Host
        Write-Host "Extracting folder $($zipfile.Name)..."
        # Write-Host "Para a pasta $($destPath)\$($zipfile.Basename)..."
        7z x $zipfile.Fullname "-o$($destPath)\$($zipfile.Basename)"
        Write-Host "Folder extracted." -Fore Green
    } catch {
        Write-Host "Error on extract folder $($zipfile.Fullname) to $($destPath) !" -Fore Red
        LogWrite "Error on extract folder $($zipfile.Fullname) to $($destPath) !"
    }
}