mirror of
https://github.com/fish-shell/fish-shell
synced 2024-11-15 01:17:45 +00:00
aba900a71f
Appending to an fd doesn't really make sense, but we allowed the syntax previously and it was actually used. It's not too harmful to allow it, so let's just do that again. For the record: Zsh also allows it, bash doesn't. Fixes #6614
95 lines
2.9 KiB
Fish
95 lines
2.9 KiB
Fish
#RUN: %fish %s
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function outnerr
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command echo out $argv
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command echo err $argv 1>&2
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end
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outnerr 0 &| count
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#CHECK: 2
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outnerr appendfd 2>>&1
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#CHECK: out appendfd
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#CHECK: err appendfd
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set -l tmpdir (mktemp -d)
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outnerr overwrite &>$tmpdir/file.txt
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cat $tmpdir/file.txt
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#CHECK: out overwrite
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#CHECK: err overwrite
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outnerr append &>>$tmpdir/file.txt
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cat $tmpdir/file.txt
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#CHECK: out overwrite
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#CHECK: err overwrite
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#CHECK: out append
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#CHECK: err append
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echo noclobber &>>?$tmpdir/file.txt
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#CHECKERR: {{.*}} The file {{.*}} already exists
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eval "echo foo |& false"
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#CHECKERR: {{.*}} |& is not valid. In fish, use &| to pipe both stdout and stderr.
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#CHECKERR: echo foo |& false
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#CHECKERR: ^
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# Ensure that redirection empty data still creates the file.
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rm -f $tmpdir/file.txt
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test -f $tmpdir/file.txt && echo "File exists" || echo "File does not exist"
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#CHECK: File does not exist
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echo -n >$tmpdir/file.txt
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test -f $tmpdir/file.txt && echo "File exists" || echo "File does not exist"
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#CHECK: File exists
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rm $tmpdir/file.txt
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echo -n 2>$tmpdir/file.txt
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test -f $tmpdir/file.txt && echo "File exists" || echo "File does not exist"
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#CHECK: File exists
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rm -Rf $tmpdir
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# Verify that we can turn stderr into stdout and then pipe it
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# Note that the order here has historically been unspecified - 'errput' could conceivably appear before 'output'.
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begin ; echo output ; echo errput 1>&2 ; end 2>&1 | sort | tee ../test/temp/tee_test.txt ; cat ../test/temp/tee_test.txt
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#CHECK: errput
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#CHECK: output
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#CHECK: errput
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#CHECK: output
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# Test that trailing ^ doesn't trigger redirection, see #1873
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echo caret_no_redirect 12345^
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#CHECK: caret_no_redirect 12345^
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# Verify that we can pipe something other than stdout
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# The first line should be printed, since we output to stdout but pipe stderr to /dev/null
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# The second line should not be printed, since we output to stderr and pipe it to /dev/null
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begin ; echo is_stdout ; end 2>| cat > /dev/null
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begin ; echo is_stderr 1>&2 ; end 2>| cat > /dev/null
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#CHECK: is_stdout
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# "Verify that pipes don't conflict with fd redirections"
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# This code is very similar to eval. We go over a bunch of fads
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# to make it likely that we will nominally conflict with a pipe
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# fish is supposed to detect this case and dup the pipe to something else
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echo "/bin/echo pipe 3 <&3 3<&-" | source 3<&0
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echo "/bin/echo pipe 4 <&4 4<&-" | source 4<&0
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echo "/bin/echo pipe 5 <&5 5<&-" | source 5<&0
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echo "/bin/echo pipe 6 <&6 6<&-" | source 6<&0
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echo "/bin/echo pipe 7 <&7 7<&-" | source 7<&0
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echo "/bin/echo pipe 8 <&8 8<&-" | source 8<&0
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echo "/bin/echo pipe 9 <&9 9<&-" | source 9<&0
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echo "/bin/echo pipe 10 <&10 10<&-" | source 10<&0
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echo "/bin/echo pipe 11 <&11 11<&-" | source 11<&0
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echo "/bin/echo pipe 12 <&12 12<&-" | source 12<&0
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#CHECK: pipe 3
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#CHECK: pipe 4
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#CHECK: pipe 5
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#CHECK: pipe 6
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#CHECK: pipe 7
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#CHECK: pipe 8
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#CHECK: pipe 9
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#CHECK: pipe 10
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#CHECK: pipe 11
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#CHECK: pipe 12
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