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# $FreeBSD$
# This tests a quality of implementation issue.
# Shells are not required to reject executing binary files as shell scripts
# but executing, for example, ELF files for a different architecture as
# shell scripts may have annoying side effects.
T=`mktemp -d "${TMPDIR:-/tmp}/sh-test.XXXXXXXX"` || exit
trap 'rm -rf "${T}"' 0
printf '\0' >"$T/testshellproc"
chmod 755 "$T/testshellproc"
if [ ! -s "$T/testshellproc" ]; then
printf "printf did not write a NUL character\n" >&2
exit 2
fi
PATH=$T:$PATH
errout=`testshellproc 3>&2 2>&1 >&3 3>&-`
r=$?
[ "$r" = 126 ] && [ -n "$errout" ]
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