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Re: [Help-bash] bash way of variable substitution
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From: |
Greg Wooledge |
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Subject: |
Re: [Help-bash] bash way of variable substitution |
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Date: |
Thu, 8 Feb 2018 10:35:38 -0500 |
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User-agent: |
NeoMutt/20170113 (1.7.2) |
On Thu, Feb 08, 2018 at 09:24:12AM -0600, Peng Yu wrote:
> - envsubst will replace all environment variables. I only want to
> replace variables that I specified to replace. For ones I do not
> specify, replace with empty strings.
help unset
man env
Re: [Help-bash] bash way of variable substitution, Pierre Gaston, 2018/02/08