2. Editting prompt

$PS1 is set like below by default in MAC OS.

In MAC OS, PS1 is quickly reflected after changing PS1.

Takaharus-MacBook-Pro:~ tkurokawa$ echo $PS1

\h:\W \u\$

Takaharus-MacBook-Pro:~ tkurokawa$ PS1=[TK:\W]$

[TK:W]$

Login shell executes the following files:

1. /etc/profile

2. ~/.bash_profile

3. ~/.bash_login

4. ~/.profile

~/.bashrc is not listed but in most of ~/.bash_profile seems to call ~/.bashrc.

.basshrc can be pushed from echo with "echo 'export PS1="[\w]$"' > .bashrc ".

[TK:W]$echo 'export PS1="[\w]$"' > .bashrc

[TK:W]$more .bashrc

export PS1="[\w]$"

[TK:W]$echo "export PS1="[\w]$"" > .bashrc

[TK:W]$more .bashrc

export PS1=[w]

#\w is removed. This doesn't work.

[TK:W]$echo 'export PS1='[\w]$'' > .bashrc

[TK:W]$more .bashrc

export PS1=[w]

#\w is removed. This doesn't work.

[TK:W]$echo `export PS1="[\w]$"` > .bashrc

[TK:W]$more .bashrc

[TK:W]$

#\w is removed. This doesn't work.

After modifying .bashrc, it can be applied by source command.

[TK:~]$echo 'export PS1="[\w]$"' > .bashrc

[TK:~]$more .bashrc

export PS1="[\w]$"

[TK:~]$source .bashrc

[~]$

If the .bashrc doesn't work(at least my MAC not), use ".bash_profile" as typical examples.

[~]$echo 'export PS1="[\w]$"' >> ~/.bash_profile

[~]$more .bash_profile

export PATH=$HOME/.nodebrew/current/bin:$PATH

export PS1="[\w]$"

tk-python-memo