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bug#30466: 25.3; Eshell: Ignore all duplicates when ignoredups is non-ni
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From: |
Glenn Morris |
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Subject: |
bug#30466: 25.3; Eshell: Ignore all duplicates when ignoredups is non-nil |
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Date: |
Thu, 15 Feb 2018 12:24:09 -0500 |
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User-agent: |
Gnus (www.gnus.org), GNU Emacs (www.gnu.org/software/emacs/) |
Pierre Neidhardt wrote:
> This does not prevent Eshell from cluttering the history with the same
> commands as long as they are not consecutive (e.g. A, B, A, B...).
>
> I find more useful to always remove the duplicate entry back to the
> first position. It makes the history much lighter and much easier to
> browse/filter.
In terms of bash HISTCONTROL, this is the difference between
"ignoredups" and "erasedups".
Ref eg
https://www.gnu.org/s/bash/manual/html_node/Bash-Variables.html#index-HISTCONTROL