As another possibility, maybe:

TEMP=$(mktemp /tmp/temporary-file.XXXXXXXX)
xterm -e bash -c "tty >$TEMP; sleep 24h"
sleep 1 # give time for tty to run
exec 9<$TEMP
read -u 9 SLAVE_TTY
exec 9<&-
export SLAVE_TTY
perl myRLprog.pl

[download]

This can be done in a more Perl-ish way, but this is the general idea. (Except for xterm, tty and perl, the commands are built into bash.)

In reply to Re^2: How to perldebug a Term::ReadLine application (the other way round) by RonW
in thread How to perldebug a Term::ReadLine application by LanX

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