summaryrefslogtreecommitdiff
path: root/completions
diff options
context:
space:
mode:
authorVille Skyttä <ville.skytta@iki.fi>2011-11-20 20:01:13 +0200
committerVille Skyttä <ville.skytta@iki.fi>2011-11-20 20:01:13 +0200
commit2932491a2c1ec611194d55a9390b708a32403b35 (patch)
treefd92805871f0ecaafac14c3ceafdff8748b127b9 /completions
parenta8218ee1c9337fc8e37431d310b5a7e95d9fbfe5 (diff)
downloadbash-completion-2932491a2c1ec611194d55a9390b708a32403b35.tar.gz
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.
Diffstat (limited to 'completions')
-rw-r--r--completions/dict13
1 files changed, 11 insertions, 2 deletions
diff --git a/completions/dict b/completions/dict
index 3caedf76..a2ecd9b1 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