49 lines
1.2 KiB
Text
49 lines
1.2 KiB
Text
# usage: sidef fdf.sf [size] [dir1] [...]
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require('File::Find')
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func find_duplicate_files(Block code, size_min=0, *dirs) {
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var files = Hash()
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%S<File::Find>.find(
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Hash(
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no_chdir => true,
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wanted => func(arg) {
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var file = File(arg)
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file.is_file || return()
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file.is_link && return()
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var size = file.size
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size >= size_min || return()
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files{size} := [] << file
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},
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) => dirs...
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)
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files.values.each { |set|
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set.len > 1 || next
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var dups = Hash()
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for i in (^set.end) {
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for (var j = set.end; j > i; --j) {
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if (set[i].compare(set[j]) == 0) {
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dups{set[i]} := [] << set.pop_at(j++)
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}
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}
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}
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dups.each{ |k,v| code(k.to_file, v...) }
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}
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return()
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}
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var duplicates = Hash()
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func collect(*files) {
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duplicates{files[0].size} := [] << files
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}
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find_duplicate_files(collect, Num(ARGV.shift), ARGV...)
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for k,v in (duplicates.sort_by { |k| -k.to_i }) {
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say "=> Size: #{k}\n#{'~'*80}"
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for files in v {
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say "#{files.sort.join(%Q[\n])}\n#{'-'*80}"
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}
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}
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