Ignore elvi links and duplicate elvis - dotfiles - leot's dotfiles
 (HTM) hg clone https://bitbucket.org/iamleot/dotfiles
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       ---
 (DIR) changeset 4dd48b4f0f992b2c50b6517396ac2f6159af0a11
 (DIR) parent d20a909c9784f9ef6d3135b15b99e45b1e157cff
 (HTM) Author: Leonardo Taccari <iamleot@gmail.com>
       Date:   Thu,  6 Jun 2019 01:03:01 
       
       Ignore elvi links and duplicate elvis
       
       Elvi-s link are listed in `surfraw -elvi' with `-->', filter for `-- '
       to ignore them.
       
       Diffstat:
        surf/surf-setprop |  2 +-
        1 files changed, 1 insertions(+), 1 deletions(-)
       ---
       diff -r d20a909c9784 -r 4dd48b4f0f99 surf/surf-setprop
       --- a/surf/surf-setprop Tue Jun 04 22:47:29 2019 +0200
       +++ b/surf/surf-setprop Thu Jun 06 01:03:01 2019 +0200
       @@ -16,7 +16,7 @@
                       cat "${XDG_CACHE_HOME}/surf/elvis" 
               else
                       mkdir -p "${XDG_CACHE_HOME}/surf"
       -               surfraw -elvi | awk '/--/ { print $1 }' > "${XDG_CACHE_HOME}/surf/elvis"
       +               surfraw -elvi | awk '/-- / { print $1 }' | sort -u > "${XDG_CACHE_HOME}/surf/elvis"
                       cat "${XDG_CACHE_HOME}/surf/elvis" 
               fi
        }