Keywords: gildas-intro

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### File Names

Two problems may arise when running GILDAS under Unix. The first one is due to the use of the as an option separator in SIC, and as a tree/subtree separator in pathnames under Unix. The second is that SIC is normally case unsensitive, while Unix is case sensitive. Placing the file name within double-quote will prevent making case conversion.

- SIC "Logical names" such as gag_log: are expanded in filenames.

          Typed named                    Expanded Filename
        gag_log:toto.log             /users/me/.gag/logs/toto.log

- DOS-like names can also be typed and will be translated to Unix-like names.

          Typed named                    Expanded Filename
        \users\me\toto.log             /users/me/toto.log
        "sub\DIRE\Toto.Dat"           sub/DIRE/ToTo.dat

Filename handling becomes very simple when filenames are kept simple and lower case, as often happens.