Back up a file with same name + prefix
$ cp todo.txt !#:1.bak
cp todo.txt todo.txt.bak
NOTE: Actually you can use !#:1 in every command 'cause that's last argument passed to a command.
UPDATED: Now it works with zsh
$ cp todo.txt !#:1.bak
cp todo.txt todo.txt.bak
NOTE: Actually you can use !#:1 in every command 'cause that's last argument passed to a command.
UPDATED: Now it works with zsh
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