完整教程：macos调用chrome后台下载wasm-binaries.tar.xz

实现脚本：

down_wasm.sh

DOWNLOAD_DIR="$HOME/Downloads"
TARGET_FILE="wasm-binaries.tar.xz"
TAG="32b8ae819674cb42b8ac2191afeb9571e33ad5e2"
TARGET_DIR="$HOME/Desktop/sh/emsdk_setup/emsdk_deps"
echo "下载路径: $DOWNLOAD_DIR"
echo "文件保存路径: $DOWNLOAD_DIR/$TARGET_FILE"
if [[ -f "$DOWNLOAD_DIR/$TARGET_FILE" ]]; then
echo "文件 $TARGET_FILE 已存在!"
cd "$DOWNLOAD_DIR" || exit
mv $TARGET_FILE $TARGET_DIR/$TAG-$TARGET_FILE
echo "移动文件$TARGET_FILE 到 $TARGET_DIR/$TAG-$TARGET_FILE 成功!"
else
echo "file $TARGET_FILE not exists ,download it ..."
/Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --background "https