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105 lines
2.1 KiB
Plaintext
105 lines
2.1 KiB
Plaintext
; author: CI/CD
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% test, first
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# trivial case -> "foo"
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echo "foo"
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# map -> "_foo_"
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echo "<map1>"
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# expand -> "foo"
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echo "<expand1>"
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# duplicated lines -> "foo\nlorem ipsum\nlorem ipsum\nbaz"
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echo foo
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echo lorem ipsum
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echo lorem ipsum
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echo baz
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# empty line -> "foo\n\n\nbar"
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echo "$(cat <<EOF
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foo
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bar
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EOF
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)"
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# sed with replacement -> "172.17.0.2"
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echo "8.8.8.8 via 172.17.0.1 dev eth0 src 172.17.0.2" | sed -E 's/.*src ([0-9.]+).*/\1/p' | head -n1
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# 2nd column with default delimiter -> "rust is cool"
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echo "<language> is cool"
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# 2nd column with custom delimiter -> "clojure is cool"
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echo "<language2> is cool"
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# multiple words -> "lorem foo bar ipsum"
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echo "lorem <multiword> ipsum"
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# variable dependency, full -> "2 12 a 2"
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echo "<x> <x2> <y> <x>"
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; # variable dependency, we can ignore intermediate values -> "foo 12"
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; printf "foo "; : <x>; echo "<x2>"
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# nested unused value -> "path: /my/pictures"
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echo "path: <pictures_folder>"
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# multiline command: no backslash -> "foo\nbar"
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echo "foo"
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echo "bar"
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# multiline command: with backslash -> "lorem ipsum\nno match"
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echo 'lorem ipsum'
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echo "foo" \
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| grep -q "bar" \
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&& echo "match" \
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|| echo "no match"
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# multiline variable -> "foo bar"
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echo "<multilinevar>"
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# helper -> "inside helper: 42"
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myhelperfn 42
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$ x: echo '2'
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$ x2: echo "$((x+10))"
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$ y: echo 'a'
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$ language: echo '0 rust rust-lang.org' --- --column 2
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$ language2: echo '1;clojure;clojure.org' --- --column 2 --delimiter ';'
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$ multiword: echo 'foo bar'
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$ pictures_folder: echo "/my/pictures"
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$ map1: echo "foo" --- --map 'echo _$(cat)_'
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$ multilinevar: echo "xoo yar" \
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| tr 'x' 'f' \
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| tr 'y' 'b'
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$ expand1: echo "foo" --- --expand
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# this should be displayed -> "hi"
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echo hi
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% test, second
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@ test, first
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@ test, third
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# nested used value -> "path: /my/pictures/wallpapers"
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echo "path: <wallpaper_folder>"
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# same command as before -> "12"
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: <x>; echo "<x2>"
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# the order isn't relevant -> "br"
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echo "<country>"
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$ wallpaper_folder: echo "<pictures_folder>/wallpapers"
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% test, third
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; this cheathsheet doesn't have any commands
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$ country: echo "br" |