Add script for dumping source code into a single text block.

Author: jonsimantov

scripts/dumpsrc.sh

@@ -0,0 +1,105 @@
+#!/bin/bash
+# Copyright 2025 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Print a formatted list of source files from specific directories.
+# Suggested usage: dumpsrc.sh <path1> [path2] [path3] [...] | pbcopy
+
+included_files=(
+    '*.swig'
+    '*.i'
+    '*.c'
+    '*.cc'
+    '*.cpp'
+    '*.cs'
+    '*.cmake'
+    '*.fbs'
+    '*.gradle'
+    '*.h'
+    '*.hh'
+    '*.java'
+    '*.js'
+    '*.json'
+    '*.md'
+    '*.m'
+    '*.mm'
+    'CMakeLists.txt'
+    'Podfile'
+)
+
+get_markdown_language_for_file() {
+  local filename="$1"
+  local base="$(basename "$filename")"
+  local ext="${base##*.}"
+  if [[ "$base" == "$ext" && "$base" != .* ]]; then
+      ext="" # No extension
+  fi
+
+  # Handle special filename case first
+  if [[ "$base" == "CMakeLists.txt" ]]; then
+    echo "cmake"
+    return 0
+  fi
+
+  # Main logic using case based on extension
+  case "$ext" in
+    c)          echo "c" ;;
+    cc)         echo "cpp" ;;
+    cs)         echo "csharp" ;;
+    hh)         echo "cpp" ;;
+    m)          echo "objectivec" ;;
+    mm)         echo "objectivec" ;;
+    sh)         echo "bash" ;;
+    py)         echo "python" ;;
+    md)         echo "markdown" ;;
+    json)       echo "js" ;;
+    h)
+        if grep -qE "\@interface|\#import" "$filename"; then
+            echo "objectivec";
+        else
+            echo "cpp";
+        fi
+      ;;
+    "") # Explicitly handle no extension (after CMakeLists.txt check)
+        : # Output nothing
+      ;;
+    *) # Default case for any other non-empty extension
+       echo "$ext"
+       ;;
+  esac
+  return 0
+}
+
+
+if [[ -z "$1" ]]; then
+    echo "Usage: $0 <path1> [path2] [path3] ..."
+    exit 1
+fi
+
+find_cmd_args=('-name' 'UNUSED')
+
+for pattern in "${included_files[@]}"; do
+    if [[ -n "${pattern}" ]]; then
+	find_cmd_args+=('-or' '-name' "$pattern")
+    fi
+done
+
+for f in `find $* -type f -and "${find_cmd_args[@]}"`; do
+    echo "*** BEGIN CONTENTS OF FILE '$f' ***";
+    echo '```'$(get_markdown_language_for_file "$f");
+    cat "$f";
+    echo '```';
+    echo "*** END CONTENTS OF FILE '$f' ***";
+    echo
+done