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based on an earlier version of the Wolfram Language.
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FileNameJoin

FileNameJoin
joins the together into a file name suitable for your current operating system.
  • The can be either individual names or file paths containing pathname separators.
  • FileNameJoin gives an absolute file path beginning with a pathname separator.
  • FileNameJoin[..., OperatingSystem->"os"] yields a file name in the format for the specified operating system. Possible choices are , , and .
  • FileNameJoin just assembles a file name; it does not actually search for the file specified.
  • FileNameJoin canonicalizes the file name , making pathname separators appropriate for your operating system.
Give a system-dependent file name:
Append the file name to a path:
On Windows, the share name is treated as a single unit:
Give a system-dependent file name:
In[1]:=
Click for copyable input
Out[1]=
 
Append the file name to a path:
In[1]:=
Click for copyable input
Out[1]=
 
On Windows, the share name is treated as a single unit:
In[1]:=
Click for copyable input
Out[1]=
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