Cleaning up code

Cleaning up some of the Windows code,

Adding version information across all scripts

receive.ps1

@@ -1,10 +1,13 @@
-# Lets check to make sure that mhl is properly installed
-if (Get-Command mhl -errorAction Stop)
-{}
+echo "s3-xxHash-transfer receive.ps1 version 0.0.4"
+
+# Lets check to make sure that mhl is properly installed
+
+if ((Get-Command mhl.exe -ErrorAction SilentlyContinue) -eq $null)
+    { throw "This script requires mhl.exe but it does not appear to be properly installed. Aborting. Please see https://mediahashlist.org/mhl-tool/ for more information." }
 
 # Lets check to make sure that aws is properly installed
-if (Get-Command aws -errorAction Stop)
-{}
+if ((Get-Command aws.exe -ErrorAction SilentlyContinue) -eq $null)
+    { throw "This script requires aws.exe but it does not appear to be properly installed. Aborting. Please see https://aws.amazon.com/cli/ for more information." }
 
 # Let's have the user specify from which bucket they'll be downloading
 

receive.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+echo "s3-xxHash-transfer receive.sh version 0.0.4"
+
 # Lets check to make sure that mhl is properly installed https://stackoverflow.com/a/677212/
 
 command -v mhl >/dev/null 2>&1 || { echo >&2 "This script requires mhl but it does not appear to be properly installed. Aborting. Please see https://mediahashlist.org/mhl-tool/ for more information."; exit 1; }

send.ps1

@@ -1,10 +1,13 @@
+echo "s3-xxHash-transfer send.ps1 version 0.0.4"
+
 # Lets check to make sure that mhl is properly installed
-if (Get-Command mhl -errorAction Stop)
-{}
+
+if ((Get-Command mhl.exe -ErrorAction SilentlyContinue) -eq $null)
+    { throw "This script requires mhl.exe but it does not appear to be properly installed. Aborting. Please see https://mediahashlist.org/mhl-tool/ for more information." }
 
 # Lets check to make sure that aws is properly installed
-if (Get-Command aws -errorAction Stop)
-{}
+if ((Get-Command aws.exe -ErrorAction SilentlyContinue) -eq $null)
+    { throw "This script requires aws.exe but it does not appear to be properly installed. Aborting. Please see https://aws.amazon.com/cli/ for more information." }
 
 # Let's have the user specify which source folder should be uploaded into S3
 

send.sh

@@ -1,5 +1,7 @@
 #!/bin/bash
 
+echo "s3-xxHash-transfer send.sh version 0.0.4"
+
 # Lets check to make sure that mhl is properly installed https://stackoverflow.com/a/677212/
 
 command -v mhl >/dev/null 2>&1 || { echo >&2 "This script requires mhl but it does not appear to be properly installed. Aborting. Please see https://mediahashlist.org/mhl-tool/ for more information."; exit 1; }