Back up a file with same name + prefix
13 ตุลาคม 2563
$ 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
More on shell
shell8 ธันวาคม 2563
Run incognito/private commands for Bash and Zsh
Simply put a space before the command and it won't be saved to ~/.bash\_history. E.g. qrencode -o out.png "Some secret text"
shell22 ตุลาคม 2563
Upgrade postgres database with homebrew
To upgrade postgres you can run
shell13 ตุลาคม 2563
Amazon AWS S3 CLI copy with set perms
Open term (or equivalent) and paste the following: