From: Brian Candler <b.candler@...>
Date: 2010-01-27T18:28:56+09:00
Subject: Re: Why does `source .bashrc` complain "command not found"?

Adam Akhtar wrote:
> Is it just me or is this something that just cant be done?
...
> (Ubuntu 9.04 and Ruby 1.8x)

In recent Ubuntu versions, the default shell is dash (/bin/sh is a link 
to /bin/dash), and 'source' is not a known keyword in that shell. To 
demonstrate:

$ /bin/sh
$ source /dev/null
/bin/sh: source: not found
$ exit

The solution: use '.' instead of 'source'.

dash is a POSIX-compatible shell without lots of non-standard bash 
extensions. If you really need to use bash-isms, then you should invoke 
bash explicitly.

>> `/bin/bash -c 'source /dev/null'`
=> ""
>> 

HTH,

Brian.
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