Linux eval command
Linux eval command for re-calculation parameters determined content.
eval can read a series of parameters, then the parameters according to its own characteristics to perform.
grammar
eval [参数]
Parameter Description: Any number of parameters, each other separated by a semicolon.
Examples
Connecting a plurality of command
# eval enable;ls //连接多个命令 enable . enable : enable [ enable alias enable bg enable bind enable break enable builtin enable caller enable cd enable command enable compgen enable complete enable compopt enable continue enable declare enable dirs enable disown enable echo enable enable enable eval enable exec enable exit enable export enable false enable fc enable fg enable getopts enable hash enable help enable history enable jobs enable kill enable let enable local enable logout enable mapfile enable popd enable printf enable pushd enable pwd enable read enable readarray enable readonly enable return enable set enable shift enable shopt enable source enable suspend enable test enable times enable trap enable true enable type enable typeset enable ulimit enable umask enable unalias enable unset enable wait