The following commit has been merged in the master branch:
commit 2932491a2c1ec611194d55a9390b708a32403b35
Author: Ville Skyttä <[email protected]>
Date: Sun Nov 20 20:01:13 2011 +0200
dict: Speed up word completion with common use cases and large word lists.
/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.
diff --git a/completions/dict b/completions/dict
index 3caedf7..a2ecd9b 100644
--- a/completions/dict
+++ b/completions/dict
@@ -54,8 +54,17 @@ _dict()
esac
local dictfile=/usr/share/dict/words
- [[ -r $dictfile ]] && \
- COMPREPLY=( $( compgen -W '$( cat $dictfile )' -- "$cur" ) )
+ if [[ -r $dictfile ]]; then
+ # 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
--
bash-completion
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