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Re: [Help-bash] Overwriting of data in a file
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From: |
Greg Wooledge |
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Subject: |
Re: [Help-bash] Overwriting of data in a file |
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Date: |
Mon, 4 Jun 2018 09:12:24 -0400 |
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User-agent: |
NeoMutt/20170113 (1.7.2) |
On Mon, Jun 04, 2018 at 07:38:20AM -0400, Bernard Fay wrote:
> The problem is that an entry like "/root" will overwrite an exiting entry
> or "/root/.cshrc" therefore creating a double entry for "/root" and adding
> a new entry for "/root/.cshrc".
Simply rewrite the ENTIRE file. Done.
> PERMFILE=permissions.local
> for VAL in ${ELMT[*]}; do
STOP using all-caps variable names.
A full array expansion should be "address@hidden" with @ sign and quotes.
> sed -i
Editing files with a shell script is just fundamentally broken. Don't
try it. Write the entire new file out.