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christyleomin
Joined: 08 Apr 2011
Posts: 155
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 Posted: Fri Jul 01, 2011 6:38 am Post subject: INCLUDE meaning |
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I have been going through another person's (who is currently not accesable for me) code of Fortran 77 and am relatively new to Fortran.
He uses a keyword "INCLUDE' whilst declaring variables, like include something.inc.
What does it indicate? |
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PaulLaidler
Site Admin
Joined: 21 Feb 2005
Posts: 7926
Location: Salford, UK
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| Posted: Fri Jul 01, 2011 7:44 am Post subject: |
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| It describes another file that is to be inserted into the code at that point. |
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LitusSaxonicum
Joined: 23 Aug 2005
Posts: 2388
Location: Yateley, Hants, UK
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| Posted: Fri Jul 01, 2011 4:52 pm Post subject: |
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... and there's another bit of valuable knowledge. In FTN95, enclosing the filename in "diamond brackets" means "go and look for it in FTN95's folders", e.g
| Code: | | INCLUDE <WINDOWS.INS> |
(although this is non-standard), whereas if the filename is treated as a literal, e.g.
| Code: | | INCLUDE 'C:\PROGRAM\something.inc' |
then that tells the compiler where to look (or if a path isn't given, look in the working folder).
The relevant bit in FTN95's help file describes INCLUDE as a "compiler directive", and notes that it can occur anywhere in source code, including in an INCLUDE file, nesting up to 10 deep.
Eddie |
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