# #Test aliases, loops, conditionals and some basic elements # for i in 1 2 #Comment on same line as command #Comment inside loop for j in a b #Double loop echo $i$j end; end # Bracket expansion echo x-{1} echo x-{1,2} echo foo-{1,2{3,4}} # Escaped newlines echo foo\ bar echo foo\ bar echo "foo\ bar" echo 'foo\ bar' for i in \ a b c echo $i end # Simple alias tests function foo echo >foo.txt $argv end foo hello cat foo.txt |read foo if test $foo = hello; echo Test 2 pass else echo Test 2 fail end function foo printf 'Test %s' $1; echo ' pass' end foo 3 for i in Test for continue break and switch builtins problems; switch $i case Test printf "%s " $i case "f??" printf "%s " 3 case "c*" echo pass case break continue echo fail case and break echo fail case "*" echo fail end end set -l sta if eval true if eval false set sta fail else set sta pass end else set sta fail end echo Test 4 $sta function test_builtin_status return 1 end test_builtin_status if [ $status -eq 1 ] set sta pass else set sta fail end echo Test 5 $sta # Verify that we can turn stderr into stdout and then pipe it. # Note that the order here seems unspecified - 'errput' appears before 'output', why? echo Test redirections begin ; echo output ; echo errput 1>&2 ; end 2>&1 | tee /tmp/tee_test.txt ; cat /tmp/tee_test.txt # Verify that we can pipe something other than stdout # The first line should be printed, since we output to stdout but pipe stderr to /dev/null # The second line should not be printed, since we output to stderr and pipe it to /dev/null begin ; echo is_stdout ; end 2>| cat > /dev/null begin ; echo is_stderr 1>&2 ; end 2>| cat > /dev/null # echo tests echo 'abc\ndef' echo -e 'abc\ndef' echo -e 'abc\zdef' echo -e 'abc\41def' echo -e 'abc\041def' echo -e 'abc\121def' echo -e 'abc\1212def' echo -e 'abc\cdef' # won't output a newline! echo '' echo - echo -e Catch your breath echo -e 'abc\x21def' echo -e 'abc\x211def' # Verify that pipes don’t conflict with fd redirections # This code is very similar to eval. We go over a bunch of fads # to make it likely that we will nominally conflict with a pipe # fish is supposed to detect this case and dup the pipe to something else echo "/bin/echo pipe 3 <&3 3<&-" | source 3<&0 echo "/bin/echo pipe 4 <&4 4<&-" | source 4<&0 echo "/bin/echo pipe 5 <&5 5<&-" | source 5<&0 echo "/bin/echo pipe 6 <&6 6<&-" | source 6<&0 echo "/bin/echo pipe 7 <&7 7<&-" | source 7<&0 echo "/bin/echo pipe 8 <&8 8<&-" | source 8<&0 echo "/bin/echo pipe 9 <&9 9<&-" | source 9<&0 echo "/bin/echo pipe 10 <&10 10<&-" | source 10<&0 echo "/bin/echo pipe 11 <&11 11<&-" | source 11<&0 echo "/bin/echo pipe 12 <&12 12<&-" | source 12<&0 # Make sure while loops don't run forever with no-exec (#1543) echo "Checking for infinite loops in no-execute" echo "while true; end" | ../fish --no-execute function always_fails if true return 1 end end always_fails ; echo $status