在KornShell 中引入 shell 函数时,定义语法如下: function name <compound command> 当Bourne shell 在 1984 年添加函数时,语法(后来包含在ksh中并被 POSIX 标准采用)如下: name() <compound command> bash允许任一语法以及混合: function name() <compound co
BASH_BUILTINS(1) General Commands Manual BASH_BUILTINS(1)23NAME4:, ., [, alias, bg, bind, break, builtin, caller, cd, command, compgen, complete, compopt, continue, declare, dirs, disown,echo,5enable, eval, exec, exit, export,false, fc, fg, getopts, hash, help, history, jobs,...
If you’re making Bash programs for you or for others to use one way you can get user input is to specify arguments for users to provide to your program, as we discussed in the previous section. You could also ask users to type in a string on the command line by temporarily stopping ...
The shell maintains a list of aliases that may be set and unset with the alias and unalias builtin commands (see SHELL BUILTIN COMMANDS below). The first word of each command, if unquoted, is checked to see if it has an alias. If so, that word is replaced by the text of the alias...
alias(1) allocate(1) animate(1) annotate(1) ant(1) antlr(1) appcert(1) appres(1) apptrace(1) apropos(1) ar(1) ar(1g) arch(1) as(1) as(1g) as86(1) asa(1) at(1) atobm(1) atok(1) ATOK(1) atok12migd(1) atok12migs(1) atokx2cvttool(1) atq(1) atrm(1) audioco...
I hope you are aware of thealias concept in Linux. You can configure your own shorter commands to replace the typing of a longer command. Some distributions like Ubuntu automatically provide commands like ll (which is aliased to ls -l), la (aliased to ls -a) and so on. ...
Since alias substitution only happens at the beginning of the command, you can also bypass it once by starting the command line with a different character: $ "ls" -S $ \ls -S Either way of typing this will use the originallscommand, avoiding substitution, just this once. ...
This alias uses the$@bash variable to grab all of the arguments to the alias and pass them along to the innergit grepcommand. Should probably be modified so it doesn't open the $EDITOR when no results are found, but this hasn't been an issue for me. ...
Because grabbing the first argument is common, the circumflex (or the "hat":^) is an alias for:1. $echofoo $!!^ foo On the other end of the spectrum, the dollar ($) sign represents the final argument: $echofoo bar baz $echo!!$ ...
nvm install node # "node" is an alias for the latest version To install a specific version of node: nvm install 14.7.0 # or 16.3.0, 12.22.1, etc To set an alias: nvm alias my_alias v14.4.0 Make sure that your alias does not contain any spaces or slashes. The first version...