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Return directory, add . to extension

This commit is contained in:
The Magician 2023-11-18 19:21:46 +00:00
parent d58b6f9148
commit 1cd2ae7a6d
2 changed files with 17 additions and 12 deletions
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20
spec/nextfile_spec.lua
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@ -2,17 +2,19 @@ describe("splitfilename", function()
local nextfile = require "nextfile"
it("should return the filename and extension of an absolute filepath", function()
local name, ext = nextfile.splitfilename("/testdir/701.txt")
local dir, name, ext = nextfile.splitfilename("/testdir/701.txt")
assert.are.equal("/testdir/", dir)
assert.are.equal("701", name)
assert.are.equal("txt", ext)
assert.are.equal(".txt", ext)
end)
it("should return the filename and extension of a relative filepath", function()
local name, ext = nextfile.splitfilename("../../foo/testdir/file.mp3")
local dir, name, ext = nextfile.splitfilename("../../foo/testdir/file.mp3")
assert.are.equal("../../foo/testdir/", dir)
assert.are.equal("file", name)
assert.are.equal("mp3", ext)
assert.are.equal(".mp3", ext)
end)
end)
@ -39,13 +41,13 @@ describe("nextfile", function()
end)
end)
--insulate("prevfile.prevfile returns a numeric filename", function()
--prevfile.prevfile = function() return "/testdir/701.txt" end
--
insulate("prevfile.prevfile returns a numeric filename", function()
prevfile.prevfile = function() return "/testdir/701.txt" end
--it("should return the result of incrementing the filename", function()
--local file = nextfile.nextfile("/testdir")
--
--assert.are.equal("/testdir/702.txt", file)
--end)
--end)
end)
end)

9
src/nextfile.lua
View File

@ -3,15 +3,18 @@ local prevfile = require "prevfile"
local nextfile = {}
function nextfile.splitfilename(path)
name, ext = path:match("^.*/(.*)%.(%w*)")
return name, ext
dir, name, ext = path:match("^(.*/)(.*)(%.%w*)")
return dir, name, ext
end
function nextfile.nextfile(directory)
local previous = prevfile.prevfile(directory)
if previous == nil then return nil end
local name, ext = nextfile.splitfilename(previous)
local dir, name, ext = nextfile.splitfilename(previous)
print(dir)
print(name)
print(ext)
return ""
end