Top "Shebang" questions

Why should the shebang line always be the first line?

I have a simple perl script as below: #!/usr/bin/perl use strict; use warnings; print "hello world!\n"; I …

perl unix solaris shebang

Invoking a script, which has an awk shebang, with parameters (vars)

I have an awk script that I have defined thus: #!/usr/bin/env awk BEGIN { if (!len) len = 1; end = start + …

shell awk shebang

Should I use a Shebang with Bash scripts?

I am using Bash $ echo $SHELL /bin/bash and starting about a year ago I stopped using Shebangs with my …

bash shell sh shebang

Bash shebang option -l

I use a script, test.sh, written by someone else, the begins with a bash shebang: #!/bin/bash -l ... echo …

bash shell shebang

TextWrangler: This file doesn’t appear to contain a valid ‘shebang’ line

It is my first time working with TextWrangler. I am using it to open a .sql file. But when I …

sql database shebang textwrangler

How does the #! shebang work?

In a script you must include a #! on the first line followed by the path to the program that will …

shell unix scripting shebang

What does #!/usr/bin/... at the start of a file mean?

I can do something like this in Haskell: #!/usr/bin/runghc main=putStrLn "Hello World" Then I can run it …

linux command-line shebang

How can I use a shebang in a PowerShell script?

I have several PowerShell scripts that I'd like to invoke directly as a command from a Bash shell in Cygwin. …

bash shell powershell cygwin shebang

Dealing with multiple python versions when python files have to use #!/bin/env python

I have this problem: System A runs Ubuntu and needs Python 2.6 for a bunch of different things. I Installed Python 2.7 …

python shebang

How to Make my R script executable?

I am aware this is at high risk of being a duplicate, but in none of the other questions here …

r shebang rscript