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Walk a directory/Recursively: Difference between revisions
→{{header|Lasso}}
(→{{header|Scala}}: Application -> App. import implicits explicitly.) |
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walkDirectoryTree(dir, dir.name, '\\.txt$');</lang>
=={{header|Lasso}}==
<lang Lasso>// care only about visible files and filter out any directories
define dir -> eachVisibleFilePath() => {
return with name in self -> eachEntry where #name -> second != io_dir_dt_dir where not(#name -> first -> beginswith('.')) select .makeFullPath(#name -> first)
}
// care only about visible directories and filter out any files
define dir -> eachVisibleDir() => {
return with name in self -> eachEntry where #name -> second == io_dir_dt_dir where not(#name -> first -> beginswith('.')) select dir(.makeFullPath(#name -> first + '/'))
}
// Recursively walk the directory tree and find all files and directories
// return only paths to files
define dir -> eachVisibleFilePathRecursive(-dirFilter = void) => {
local(files = .eachVisibleFilePath)
with dir in .eachVisibleDir
where !#dirFilter || #dirFilter(#dir -> realPath)
do {
#files = tie(#files, #dir -> eachVisibleFilePathRecursive(-dirFilter = #dirFilter))
}
return #files
}
local(matchingfilenames = array)
with filepath in dir('/') -> eachVisibleFilePathRecursive
where #filepath -> endswith('.lasso')
let filename = #filepath -> split('/') -> last
do #matchingfilenames -> insert(#filename)
#matchingfilenames</lang>
-> array(myfile.lasso, test.lasso, rosetta.lasso)
=={{header|Mathematica}}==
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