Perl has had a similar trick for quite a while: eval 'exec /usr/bin/perl -w -S $0 ${1+"$@"}' if 0; # not running under some shell See https://stackove

Perl has had a similar trick for quite a while: eval 'exec /usr/bin/perl -w -S $0 ${1+"$@"}' if 0; # not running under some shell See https://stackoverflow.com/questions/9143726/what-means-not-running-under-some-shell-in-perl-scripts https://stackoverflow.com/questions/9143726/what-means-not-r...