Create Download_Scripts_SQL_Walkthrough.ps1

Author: hangzh-msft

Misc/RSQL/Download_Scripts_SQL_Walkthrough.ps1

@@ -0,0 +1,66 @@
+################################################################################
+#    Copyright (c) Microsoft. All rights reserved.
+#    
+#    Apache 2.0 License
+#    
+#    You may obtain a copy of the License at
+#    http://www.apache.org/licenses/LICENSE-2.0
+#    
+#    Unless required by applicable law or agreed to in writing, software 
+#    distributed under the License is distributed on an "AS IS" BASIS, 
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 
+#    implied. See the License for the specific language governing 
+#    permissions and limitations under the License.
+#
+################################################################################
+param([string]$DestDir)
+
+$web_client = new-object System.Net.WebClient
+
+
+function DownloadRawFromGitWithFileList($base_url, $file_list_name, $destination_dir)
+{   
+    # Download the list so we can iterate over it.
+    $tempPath = [IO.Path]::GetTempFileName()
+    $url = $base_url + $file_list_name
+    $web_client.DownloadFile($url, $tempPath)
+
+    # Iterate over the different lines in the file and add them to the machine
+    $reader = [System.IO.File]::OpenText($tempPath)
+    try {
+        for(;;) {
+            $line = $reader.ReadLine()
+            if ($line -eq $null) { break }
+           
+            # download the file specified by this line...
+            $url = $base_url + $line
+            $destination = Join-Path $destination_dir $line
+            $web_client.DownloadFile($url, $destination)
+        }
+    }
+    finally {
+        $reader.Close()
+    }
+}
+
+function GetSampleFilesFromGit($gitdir_name, $list_name, $destination_dir){
+    #Write-Output "Getting Sample Notebooks from Azure-MachineLearning-DataScience Git Repository"
+    $file_url = "https://raw.githubusercontent.com/Azure/Azure-MachineLearning-DataScience/master/Misc/" + $gitdir_name + "/"
+    DownloadRawFromGitWithFileList $file_url $list_name $destination_dir
+}
+
+
+###################### End of Functions / Start of Script ######################
+if (!(Test-Path $DestDir)) {
+    Write-Output "$DestDir does not exist and is created."
+    mkdir $DestDir
+}
+Write-Output "Start downloading the data file to $DestDir. It may take a while..."
+$file_url = "http://getgoing.blob.core.windows.net/public/nyctaxi1pct.csv"
+$file_dest = Join-Path $DestDir "nyctaxi1pct.csv"
+$web_client.DownloadFile($file_url, $file_dest)
+Write-Output "Fetching the sample script files to $DestDir..."
+GetSampleFilesFromGit "RSQL" "FilestoDownload_SQL_Walkthrough.txt" $DestDir
+Write-Output "Fetching the sample script files completed."
+Write-Output "Now entering the destination directory $DestDir."
+cd $DestDir