diff --git a/compiler/lexer/lexer.go b/compiler/lexer/lexer.go
index 383670f..1bcfe41 100644
--- a/compiler/lexer/lexer.go
+++ b/compiler/lexer/lexer.go
@@ -330,10 +330,11 @@ func (l *Lexer) scanString(quote byte) token.Token {
 }
 
 // isStringBracket returns true if [ should be treated as string delimiter.
-// Harbour: [text] is string when not preceded by ident, ), ], literal.
+// Harbour: [text] is string when not preceded by ident, ), ], literal,
+// or `}` (close of array literal — `{1,2,3}[2]` is index access).
 func (l *Lexer) isStringBracket() bool {
 	switch l.lastKind {
-	case token.IDENT, token.RPAREN, token.RBRACKET,
+	case token.IDENT, token.RPAREN, token.RBRACKET, token.RBRACE,
 		token.INT, token.LONG, token.DOUBLE, token.STRING,
 		token.TRUE, token.FALSE, token.NIL_LIT:
 		return false // array index context
diff --git a/tests/examples_build.sh b/tests/examples_build.sh
new file mode 100755
index 0000000..bba82a6
--- /dev/null
+++ b/tests/examples_build.sh
@@ -0,0 +1,42 @@
+#!/usr/bin/env bash
+# Build-only sweep of every example PRG. Doesn't run them (many are
+# interactive / database / network). Just checks the compiler accepts
+# them cleanly.
+set -e
+cd /Users/charleskwon/Projects/fivedev/five
+
+work=$(mktemp -d)
+trap 'rm -rf "$work"' EXIT
+
+pass=0
+fail=0
+declare -a failed
+
+for src in examples/*.prg; do
+   name=$(basename "$src" .prg)
+   if ./five build "$src" -o "$work/$name" >"$work/$name.out" 2>&1; then
+      # Check for parse / preprocessor errors even when build "succeeded"
+      if grep -qE '^(five: [0-9]+ (parse|preprocessor) error|panic:)' "$work/$name.out"; then
+         echo "FAIL $name (build returned 0 but errors detected)"
+         tail -5 "$work/$name.out" | sed 's/^/   /'
+         fail=$((fail+1))
+         failed+=("$name")
+      else
+         pass=$((pass+1))
+      fi
+   else
+      echo "FAIL $name"
+      tail -5 "$work/$name.out" | sed 's/^/   /'
+      fail=$((fail+1))
+      failed+=("$name")
+   fi
+done
+
+echo
+echo "================================================================"
+echo "  Build sweep: $pass / $((pass+fail)) examples build cleanly"
+echo "================================================================"
+if [ ${#failed[@]} -gt 0 ]; then
+   echo "Failed:"
+   for n in "${failed[@]}"; do echo "  $n"; done
+fi