Returns a list of file names matching a pattern in the current directory.
FileNames[]
FileNames[form]
FileNames[{form1, form2, …}]
FileNames[All, dir]
FileNames[forms, {dir1, dir2, …}]
FileNames[forms, dirs, n]
ListQ[FileNames["*"]]
→ TrueCreateDirectory["notes"]; CreateFile["notes/report.txt"]; CreateFile["notes/notes.txt"]; CreateFile["notes/readme.md"]; FileNames["*.txt", "notes"]
→ {notes/notes.txt, notes/report.txt}FileNames[{"*.md", "notes.txt"}, "notes"]
→ {notes/notes.txt, notes/readme.md}FileNames["report.txt" | "missing.txt", "notes"]
→ {notes/report.txt}CreateDirectory["docs/inner/deeper"]; CreateFile["docs/report.txt"]; CreateFile["docs/inner/report.txt"]; CreateFile["docs/inner/deeper/report.txt"]; FileNames["*", "docs"]
→ {docs/inner, docs/report.txt}FileNames["report.txt", "docs"]
→ {docs/report.txt}FileNames["report.txt", "docs", 2]
→ {docs/inner/report.txt, docs/report.txt}FileNames["report.txt", "docs", Infinity]
→ {docs/inner/deeper/report.txt, docs/inner/report.txt, docs/report.txt}FileNames["report.txt", "docs", {2}]
→ {docs/inner/report.txt}FileNames["report.txt", "docs", {2, 3}]
→ {docs/inner/deeper/report.txt, docs/inner/report.txt}FileNames["report.txt", "docs", {2, Infinity}]
→ {docs/inner/deeper/report.txt, docs/inner/report.txt}dir = CreateDirectory[]; Export[FileNameJoin[{dir, "hello.txt"}], "x"]; SetDirectory[dir]; FileNames[]
→ {hello.txt}