$ cp `which perl` /tmp

##</code><code>##

$ chmod -x /tmp/perl
$ ls -l /tmp/perl
-rw-r--r-- 1 ab ab 1061700 Apr 20 00:47 /tmp/perl

##</code><code>##

$ /tmp/perl -v
bash: /tmp/perl: Permission denied

##</code><code>##

$ /lib/ld-linux.so.2 /tmp/perl -v

This is perl, v5.8.8 built for x86_64-linux-thread-multi
(...)

##</code><code>##

SetEnv LD_LIBRARY_PATH /path/to/private/shared/libs