source .bashrc
-------------------------------------------------------
.bashrc:: command not found: shopt
.bashrc:: command not found: shopt
.bashrc:: command not found: shopt
/usr/share/bash-completion/bash_completion:: parse error near `]]'
使用另一台装的biolinux系统的文件时，想更改下环境变量，习惯性地在.bashrc文件中进行了配置。结果出现了上面的错误。
谷歌了下，biolinux系统默认的shell是zsh.
echo $SHEL
---------------------
/bin/zsh
echo $Shell发现默认的确实是zsh。于是将环境变量在.zshrc中配置后source，成功。