an alias is quickly limited as it is just a shortcut for a shell command, without the ability to pass or control the arguments. So to complement,bashalso allows you create your own functions, which can be more
alias df="df -Tha --total" We might as well add an alias for our preferredduoutput as well: alias du="du -ach | sort -h" Let’s keep going in the same direction by making ourfreeoutput more human friendly: alias free="free -mt" We can do a lot with our listing process table...
# 设置别名aliasname='command [option] [argument]'# 取消指定的别名设置unaliasname# 列出设置的别名alias# 转义别名aliasrm='rm -i'\rm# 转义别名而使用原始的命令[root@localhost ~]# rm tmp.txtrm: remove regularfile`tmp.txt'? n[root@localhost ~]# \rm tmp.txt # \rm,使用 \ 对别名进行转义 ...
You can define functions in your .bashrc file with your other bash alias. In a shell script, the function can be defined anywhere before being called for execution and you can source your function definitions by using the source or dot command. A function is executed when it’s called by ...
Alongside other bash alias commands and directly in the terminal as a command. To use bash functions, follow the outlines below. Bash Function Syntax There are two different ways to declare a bash function: 1. The most widely used format is: ...
Positional arguments Example: vim-replace:command:ag -l "$0" && vim -c "bufdo %s/$0/$1/gc" $(ag -l "$0")enable_positional_arguments:true The above alias allows you to do the following: vim-replace old_text new_text This replaces$0,$1etc with the arguments you send to your alias...
Alongside other bash alias commands and directly in the terminal as a command. To use bash functions, follow the outlines below. Bash Function Syntax There are two different ways to declare a bash function: 1. The most widely used format is: ...
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alias dockspace="defaults write com.apple.dock persistent-apps -array-add '{\"tile-type\"=\"spacer-tile\";}'; killall Dock;" Thedockspacealias usesthis hack to add a spacer item to the dock. We have seen earlier with thellalias that any text or arguments after the alias will just ...
Bash aliases are essentially shortcuts that can save you from having to remember long commands and eliminate a great deal of typing when you are working on the command line.