Updating tests and docstrings, adding validation

Author: AllenDowney

modsim/build.sh

@@ -0,0 +1,33 @@
+#!/bin/sh
+
+# Exit on any error
+set -e
+
+# Get the directory where this script is located
+SCRIPT_DIR="$( cd "$( dirname "$0" )" && pwd )"
+CANONICAL_FILE="$SCRIPT_DIR/modsim.py"
+
+# Function to copy if destination exists
+copy_if_exists() {
+    dest="$1"
+    if [ -f "$dest" ]; then
+        echo "Copying to $dest"
+        cp "$CANONICAL_FILE" "$dest"
+    fi
+}
+
+# Copy to root directory
+copy_if_exists "$SCRIPT_DIR/../modsim.py"
+
+# Copy to chapters directory
+copy_if_exists "$SCRIPT_DIR/../chapters/modsim.py"
+
+# Copy to examples directory
+copy_if_exists "$SCRIPT_DIR/../examples/modsim.py"
+
+# Copy to ModSimPySolutions directory and its subdirectories
+copy_if_exists "$SCRIPT_DIR/../ModSimPySolutions/modsim.py"
+copy_if_exists "$SCRIPT_DIR/../ModSimPySolutions/examples/modsim.py"
+copy_if_exists "$SCRIPT_DIR/../ModSimPySolutions/chapters/modsim.py"
+
+echo "Done copying modsim.py to all locations"