Fish

Fish Cheatsheet

Functions

function ll
    ls -l $argv
end

Loops

Ohne do und done

for x in *.txt ; foo ; end

Redirects

Output

To read standard input from a file, write <SOURCE_FILE
To write standard output to a file, write >DESTINATION
To write standard error to a file, write 2>DESTINATION [2]
To append standard output to a file, write >>DESTINATION_FILE
To append standard error to a file, write 2>>DESTINATION_FILE
To redirect both standard output and standard error, write &> all_output.txt

Pipe Redirection

echo lol | grep lol
make fish 2>| less  # Std Error Redirect

Globale Vars

set -x FOO BAR

Search and Replace

Wie bei Bash Variablen Expansion, kann bei Fish auch Strings bearbeitet werden.

string replace -a ' ' '_' 'spaces to underscores'

for x in *.HEIC ; convert $x (string replace HEIC jpg $x) ; end

https://fishshell.com/docs/current/cmds/string-replace.html?highlight=string