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dict: Speed up word completion with common use cases and large word lists.

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/usr/share/dict/words has 479829 entries on my box which is too much
for practical compgen -W usage, narrow it down with grep in common use
cases.
This commit is contained in:
Ville Skyttä 2011-11-20 20:01:13 +02:00
parent a8218ee1c9
commit 2932491a2c
1 changed files with 11 additions and 2 deletions
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13
completions/dict
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@ -54,8 +54,17 @@ _dict()
esac esac
local dictfile=/usr/share/dict/words local dictfile=/usr/share/dict/words
[[ -r $dictfile ]] && \ if [[ -r $dictfile ]]; then
COMPREPLY=( $( compgen -W '$( cat $dictfile )' -- "$cur" ) ) # Dictfile may be too large for practical compgen -W usage, so narrow
# it down with grep if $cur looks like something that's safe to embed
# in a pattern instead.
if [[ $cur == +([-A-Za-z0-9/.]) ]]; then
COMPREPLY=( $( compgen -W \
'$( command grep "^${cur//./\\.}" $dictfile )' -- "$cur" ) )
else
COMPREPLY=( $( compgen -W '$( cat $dictfile )' -- "$cur" ) )
fi
fi
} && } &&
complete -F _dict -o default dict rdict complete -F _dict -o default dict rdict