Add script to generate shasum from folder

dirsha256sum

@@ -0,0 +1,27 @@
+#!/bin/bash
+
+if [[ -z $1 ]]; then
+	echo "Usage: $0 <path to folder>"
+	exit -1
+fi
+
+if [[ ! -d "$1" ]]; then
+	echo "Specified path: $1 is not a directory"
+	exit -2
+fi
+
+search_dir="$1"
+
+filelist=()
+while IFS= read -d $'\0' -r file ; do
+	filelist=("${filelist[@]}" "$file")
+done < <(find "$search_dir" -type f -print0)
+
+echo "Found ${#filelist[@]} files"
+
+# Calculate shasums over all files
+shasum=`for file in "${filelist[@]}"; do
+	sha256sum "$file"
+done | sha256sum | sed 's/\s-//'`
+
+echo "$shasum"