2 # Checking for binary "scripts" without magic number is permitted but not
3 # required by POSIX. However, it is preferable to getting errors like
4 # Syntax error: word unexpected (expecting ")")
5 # from trying to execute ELF binaries for the wrong architecture.
7 T=`mktemp -d "${TMPDIR:-/tmp}/sh-test.XXXXXXXX"` || exit
9 printf '\0echo bad\n' >"$T/testshellproc"
10 chmod 755 "$T/testshellproc"
12 testshellproc 2>/dev/null