On Thu, 2020-10-08 at 08:14 +1100, Cameron Simpson wrote: > On 07Oct2020 11:07, Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote: > > On Tue, 2020-10-06 at 15:45 -0700, ToddAndMargo via users wrote: > > > I start all my Raku programs with > > > 1: #!/usr/bin/env raku > > > > Why? If you aren't adding options to 'env', surely this is the same as > > using '/usr/bin/bash'. > > No, this is a standard shebang (#!) hack to accomodate differering > installation paths. The #! requires a fixed absolute path. So things > which are often installed in different places (such as raku above) like > /usr/local/bin or /opt/something and accessed via the user's $PATH > setting, putting in this line makes the script more portable. The user's export environment, including the PATH setting, is automatically included, even if you have no shebang at all: $ cat test type python3 echo $PATH $ chmod+x test $ ./test python3 is /usr/bin/python3 /usr/lib64/qt-3.3/bin:/usr/share/Modules/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/home/poc/.local/bin:/home/poc/bin poc _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx
