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crib/samples/fish.fish
2026-01-10 07:56:40 +00:00

94 lines
1.5 KiB
Fish

#!/usr/bin/env fish
# Fish highlighting torture test
# === Variables ===
set normal_var hello
set -l local_var 123
set -gx GLOBAL_VAR world
set PATH $PATH /usr/local/bin
set --erase OLD_VAR
# Builtin variables
echo $HOME $PWD $USER $FISH_VERSION
# === Strings ===
set single 'single quoted string'
set double "double quoted $normal_var"
set escaped "newline\n tab\t dollar\$"
# === Conditionals ===
if test $normal_var = hello
echo equal
else if test $normal_var != world
echo "not equal"
end
# === Logical operators ===
true and echo yes
false or echo fallback
not false
# === Arithmetic ===
set x 10
set y 20
math "$x + $y"
if test (math "$x * 2") -gt 15
echo "math works"
end
# === Loops ===
for i in 1 2 3
echo "loop $i"
end
while test $x -gt 0
set x (math "$x - 1")
end
# === Functions ===
function greet --argument name
echo "Hello $name"
end
greet world
# === Command substitution ===
set files (ls | grep ".fish")
# === Redirections ===
echo output >/tmp/fish_test.txt
cat </tmp/fish_test.txt >>/tmp/fish_log.txt
# === Process substitution ===
diff (ls /bin) (ls /usr/bin)
# === Case statement ===
switch $argv[1]
case start
echo Starting
case stop
echo Stopping
case '*'
echo Unknown
end
# === Subshell ===
begin
echo "inside begin/end"
end
# === Comments & operators ===
# && || | & ! should all highlight
true && echo ok || echo fail
# === Regex ===
string match -r '^[a-z]+$' hello
# === Test builtin ===
test -f /etc/passwd
test ! -d /does/not/exist
# === Exit ===
exit 0