On 04/28/2014 02:43 PM, Linda Walsh wrote:

>> cat bin/t.sh
> #!/bin/bash -u -x

This is an invalid shebang line.  Historically, you are allowed at most
ONE argument to the program that you will be executing.

#!/bin/bash -ux

is valid,

#!/bin/bash -u -x

is not.


> If I run it via:
>> bash t.sh
> Hello World

When you run it in this manner, you are NOT using the shebang line, but
are instead using the 'bash' found on a PATH search, which explains:

>>
> ---works---
> Also weird -- the interp line says "/bin/bash" not "/usr/bin/bash"
> as the shell, so why does the error come from /usr/bin/bash?

the answer to this question.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org