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Improve performance of --nth option (#90 contd.)

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This commit is contained in:
Junegunn Choi 2014-08-15 04:01:37 +09:00
parent 2d00abc7cb
commit 86c73105ee
1 changed files with 6 additions and 3 deletions
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fzf
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@ -1106,15 +1106,18 @@ class FZF
unless @delim
# AWK default
prefix_length = str.index(/\S/) || 0
tokens = str.strip.scan(/\S+\s*/) rescue []
tokens = str.scan(/\S+\s*/) rescue []
else
prefix_length = 0
tokens = str.scan(@delim) rescue []
end
@nth.map { |n|
(part = tokens[n]) &&
if n.begin == 0 && n.end == -1
[prefix_length, tokens.join]
elsif part = tokens[n]
[prefix_length + (tokens[0...(n.begin)] || []).join.length,
part.join.sub(/\s+$/, '')]
part.join]
end
}.compact
end
end