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tests/subshell.sh: fix a test for systems without /dev/fd/*

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ksh's built-in test, [ and [[ commands treat /dev/fd/* specially:
e.g. 'test /dev/fd/0' returns true even if it doesn't physically
exist, as on e.g. HP-UX. However, external commands need it to
exist physically.

src/cmd/ksh93/tests/subshell.sh:
- To decide whether to run a test with 'tee', use external 'test'
  command to check if /dev/stdout and /dev/fd/1 actually exist.
This commit is contained in:
Martijn Dekker 2020-07-21 00:04:33 +01:00
parent bc8b36faba
commit 0c96f9749b
1 changed files with 1 additions and 1 deletions
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2
src/cmd/ksh93/tests/subshell.sh
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@ -625,7 +625,7 @@ $SHELL <<- \EOF
EOF EOF
for f in /dev/stdout /dev/fd/1 for f in /dev/stdout /dev/fd/1
do if [[ -e $f ]] do if "${ whence -p test; }" -e "$f"
then $SHELL -c "x=\$(command -p tee $f </dev/null 2>/dev/null)" || err_exit "$f in command substitution fails" then $SHELL -c "x=\$(command -p tee $f </dev/null 2>/dev/null)" || err_exit "$f in command substitution fails"
fi fi
done done