/usr/lib/x86_64-linux-gnu/ is in libterm-readline-gnu-perl 1.35-3ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/perl5/5.26/Term/ReadLine/
/usr/lib/x86_64-linux-gnu/perl5/
/usr/lib/x86_64-linux-gnu/perl5/5.26/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Term/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Term/ReadLine/Gnu/
/usr/lib/x86_64-linux-gnu/perl5/5.26/Term/ReadLine/Gnu/XS.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/Term/ReadLine/Gnu.pm
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/Gnu.so
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/Tk_getc.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/_ch_wrapper.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/_str2fn.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/_str2map.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/_tgetstrs.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/_trp_completion_function.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/autosplit.ix
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/change_ornaments.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/display_readline_version.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/get_history_event.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/hist_arg_extract.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/hist_list.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/history_expand_line.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/list_completion_function.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/operate_and_get_next.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/ornaments.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_add_funmap_entry.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_bind_key.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_bind_key_if_unbound.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_bind_keyseq.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_bind_keyseq_if_unbound.al
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/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_copy_keymap.al
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/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_set_key.al
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/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_tty_set_default_bindings.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/rl_tty_unset_default_bindings.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/shadow_redisplay.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/unbind_command.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/unbind_function.al
/usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Term/ReadLine/Gnu/XS/unbind_key.al