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Re: Home made backup system



On Mi, 18 dec 19, 21:42:21, rhkramer@gmail.com wrote:
> On Wednesday, December 18, 2019 12:26:04 PM tomas@tuxteam.de wrote:
> 
> >   #!/bin/bash
> >   home=${HOME:-~}
> 
> What does that line do, or more specifically, what does the :-~ do -- note the 
> following:

It will set the variable 'home' to the value of the variable 'HOME' if 
set (yes, case matters), otherwise to '~'.

See the bash manpage, section 'Parameter Expansion'.

Kind regards,
Andrei
-- 
http://wiki.debian.org/FAQsFromDebianUser

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