feat(FolderContent.ps1): add new PowerShell function Get-AllTextConte…

…nt for reading text file contents in a path

Core/Functions/FolderContent.ps1

@@ -0,0 +1,45 @@
+# Function to read the content of all text files in a directory and its subdirectories, or a single file
+function Get-AllTextContent {
+  param (
+    [string]$path
+  )
+
+  # Resolve the full path
+  $fullPath = Resolve-Path -Path $path -ErrorAction SilentlyContinue
+
+  if (-Not $fullPath) {
+    Write-Error "The specified path does not exist."
+    return
+  }
+
+  # Initialize a variable to store all the content
+  $allTextContent = ""
+
+  if (Test-Path -Path $fullPath -PathType Container) {
+    # If the path is a directory, get all files recursively
+    $files = Get-ChildItem -Path $fullPath -Recurse -File
+
+    foreach ($file in $files) {
+      try {
+        # Read the content of the file
+        $fileContent = Get-Content -Path $file.FullName -ErrorAction Stop
+        # Append the file content to the variable
+        $allTextContent += $fileContent + "`r`n"
+      } catch {
+        Write-Host "Error reading file: $($file.FullName)"
+      }
+    }
+  } elseif (Test-Path -Path $fullPath -PathType Leaf) {
+    try {
+      # Read the content of the single file
+      $allTextContent = Get-Content -Path $fullPath -ErrorAction Stop
+    } catch {
+      Write-Host "Error reading file: $path"
+    }
+  } else {
+    Write-Error "The specified path is neither a file nor a directory."
+    return
+  }
+
+  return $allTextContent
+}