ksh 93u+ here-document error
Issue
- The following command works fine with ksh version 93t+ (on RHEL 6.4) but causes a "here-document not contained within command substitution" error on 93u+ (RHEL 6.5)
cat <<EOF | tail -$((5-4))
alpha
bravo
charlie
EOF
Environment
- Red Hat Enterprise Linux 6.4
- ksh-20120801-10.el6_5.4
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