searchPath(List,String) -- search a path for a file

• Function: searchPath

• Usage:

  searchPath(pa,fn)

  searchPath fn

• Inputs:
  • pa, a list, a list of strings giving paths to directories. Each one ends with a slash. If omitted, then path is used
  • fn, a string
• Outputs:
  • a list, a list of those directories in pa containing files named fn