vimfiles/tools/shell/bash/update-tags.sh 我遇到[: =: unary operator expected错误 6 if [ ${CUSTOM} = true ]; then 7 echo " |- move custom ctags to ${TARGET}" 8 cp "${SOURCE}" "${TARGET}" 9 else 第6行,${CUSTOM}不存在,会报错退出。 if [[ ${CUSTOM} = true ]]; then