パス.フルパス→ファイル名（basename）

Python

py

os.path.basename(fullpath)

Bash

bash

basename $fullpath
${fullpath##/}

Ruby

rb

File.basename(fullpath)

PowerShell

powershell

Split-Path -Leaf fullpath

Excel

xlsx

=MID(SUBSTITUTE(A1,LEFT(A1,FIND(">",SUBSTITUTE(A1,"/",">",LEN(A1)-LEN(SUBSTITUTE(A1,"/",""))),1)-1),""),2,LEN(A1))