$strace -f -efile /bin/bash -c 'perl -v' 2>&1 | grep perl

execve("/bin/bash", ["/bin/bash", "-c", "perl -v"], [/* 17 vars */]) = 0
stat64("/usr/local/sbin/perl", 0xbfde45f8 = -1 ENOENT (No such file or directory)
stat64("/usr/local/bin/perl", {st_mode=S_IFREG|0755, st_size=1169915, ...}) = 0
stat64("/usr/local/bin/perl", {st_mode-S_IFREG|0755, st_size=1169915, ...}) = 0
execve("/usr/local/bin/perl", ["perl", "-v"], [/* 16 vars */]) = 0
This is perl, v5.10.1 (*) built for i686-linux... etc.