feat(tools): sha256-matcher, cheat script tweaks

local/bin/x-sha256sum-matcher

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+# x-sha256sum-matcher
+#
+# Check if two files are the same
+#
+# Ismo Vuorinen <https://github.com/ivuorinen> 2023
+# MIT License
+
+# ENV Variables
+: "${VERBOSE:=0}" # VERBOSE=1 x-sha256sum-matcher file1 file2
+
+file_1="$1"
+file_2="$2"
+
+# return sha256sum for file
+# $1 - filename (string)
+get_sha256sum() {
+  sha256sum "$1" | head -c 64
+}
+
+[ $# -eq 0 ] && {
+  echo "Usage: $0 file1.sh file2.sh" && exit 1
+}
+
+msg() {
+  [[ "$VERBOSE" -eq 1 ]] && echo "$1"
+}
+
+error() {
+  msg "(!) ERROR: $1" && exit 1
+}
+
+if [ ! -f "$file_1" ]; then
+  error "File 1 does not exist: $file_1"
+fi
+
+if [ ! -f "$file_2" ]; then
+  error "File 2 does not exist: $file_2"
+fi
+
+file_1_hash=$(get_sha256sum "$file_1")
+file_2_hash=$(get_sha256sum "$file_2")
+
+if [ "$file_1_hash" != "$file_2_hash" ]; then
+  error "Files do not match"
+else
+  msg "(*) Success: Files do match"
+  exit 0;
+fi
+