edit_text.md

Editing Text

• open .
• vim
• VS Code code .

File types

• Unicode (UTF-8) - a standard character encoding system

• Unix(LF) - new line type

Exercise

Make file in vim

vim test.txt

`i`, `esc`, `:`

In normal mode "i" to enter insert

":" command mode

Escape to go betwen modes

"wq" to write and quit

View profile

vim ~/.bash_profile

or

vim ~/.bashrc

or

vim ~/.zshrc

PATH Example

echo $PATH

Make it easier to read

echo $PATH | tr ":" "\n"

Make a directory for tools

cd; mkdir mytools; cd mytools

Make a script

printf '#!/bin/sh\n\necho "Line1\tLine2!"' > myscript1.sh

Look at permissions

ls -lh *

Make executable

chmod 755 myscript1.sh

Look at permissions

ls -lh *

Change directory and run script

cd
./myscript1.sh

Check shell type

echo $0

Open profile

vim ~/.zshrc

Add text: echo "--> Profile has been read <--"

Add text: export PATH="$PATH:${HOME}/mytools"

Reload terminal

echo $PATH | tr ":" "\n"

Make a script that echos a message.

vim myscript1.sh

Add the script's path to PATH

Run script

HOME