[GTALUG] Bash Problem

Bob Jonkman bjonkman at sobac.com
Mon Jan 9 18:59:37 EST 2017


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Chris F.A. Johnson wrote:
> The braces are not necessary here.

Are braced incorrect here? I've been putting braces around all
variable names, so that there are fewer syntax exceptions for me to
remember...

- --Bob.


On 2017-01-09 05:47 PM, Chris F.A. Johnson via talk wrote:
> On Sun, 8 Jan 2017, Mauro Souza via talk wrote:
> 
>> Or nFname="${base}.mp4"
>> 
>> Using brackets you can mix variables and text and create 
>> something like this: 
>> newName="${oldname}-bkp-${filedate}.${extension}.old"
> 
> The braces are not necessary here. This will work fine:
> 
> newName="$oldname-bkp-$filedate.$extension.old"
> 
> Braces would be necessary if you were using underscores instead of
>  hyphens because they can be part of a variable name:
> 
> newName="${oldname}_bkp_$filedate.$extension.old"
> 

- -- 


- --
Bob Jonkman <bjonkman at sobac.com>          Phone: +1-519-635-9413
SOBAC Microcomputer Services             http://sobac.com/sobac/
Software   ---   Office & Business Automation   ---   Consulting
GnuPG Fngrprnt:04F7 742B 8F54 C40A E115 26C2 B912 89B0 D2CC E5EA



-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
Comment: Ensure confidentiality, authenticity, non-repudiability

iEYEARECAAYFAlh0I9wACgkQuRKJsNLM5erWdQCgohmGdSVT2s1DHEWs+3+I3BCn
nR4AoM8TVyt53lC3KhHC6uecvy09Zq9z
=Af5d
-----END PGP SIGNATURE-----


More information about the talk mailing list