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read the transcript!
panel 1: ctrl + r
search your history!
I use this constantly to rerun commands
panel 2: magical braces
$ convert file.{jpg,png}
expands to
$ convert file.jpg file.png
{1..5} expands to 1 2 3 4 5
(for i in {1..100}…)
panel 3: !!
expands to the last command run
$ sudo !!
panel 4:
commands that start with a space don’t go in your history. good if there’s a password
panel 5: loops
for i in *.png
do
convert $i $i.jpg
done
person: for loops: easy & useful!
panel 6: $ ( )
gives the output of a command
$touch file- $ (date -1)
create a file named file-2018-05-25
panel 7: more keyboard shortcuts
ctrl + a beginning of line
ctrl + e end of line
ctrl + l clear the screen
& lots more emacs shortcuts too!
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