Writes the LW file path redirection memory block.
REDIRECT ADD file "path
REDIRECT CLEAR type
REDIRECT DELETE file
REDIRECT LIST type
REDIRECT REST rfile
REDIRECT SAVE rfile
file name, e.g., MDXX3074, AREA011* ; 12 characters maximum including the extension; if you include an extension, it must be three or less characters (use a wildcard to match extensions longer than three characters)
File redirection is used to define which directories McIDAS commands search when looking for specified data and help files. When a command requests data from a file (for example, when IMGLIST displays image data from the file AREA0001), the active redirect table is checked to see if one of its entries has a matching file name. If so, the command searches for the file in the directory specified in the entry.
The active redirect table resides in memory. You can create multiple redirect files, which can be individually restored to the active redirect table. Redirect files are created with a text editor or with the command REDIRECT ADD. Redirect files consist of one or more entries, each containing a file name and a directory or path. The entry's file name can contain wild card characters (for example, A*, AREA*, MDXX05*, *.GIF). Lines beginning with a double quote (") are comments (for example, "This is a comment). Comments can only be added with a text editor; not with REDIRECT ADD. Redirect files cannot contain blank lines.
The maximum length of an entry is 72 characters, 12 for the file name and 60 for the directory. The 60th character can only be a slash (/).
If your workstation is hung and you suspect file redirection is causing it, first exit McIDAS, then delete the file LWPATH.NAM and boot the system. This file is located in the $HOME/mcidas/data or another MCPATH directory.
This entry places the redirected files and paths from the active redirection file (LWPATH.NAM) into dynamic memory.
REDIRECT LIST FILE
This entry lists the redirection entries in the file LWPATH.NAM.
This entry clears the file LWPATH.NAM and dynamic memory.
REDIRECT ADD AREA137* "/u/smith/volume/mcidas/AREAS
This example adds the redirection path /u/smith/volume/mcidas/AREAS/AREA137* to dynamic memory and the file LWPATH.NAM.
REDIRECT REST TSTVL1
This entry brings the file TSTVL1.NAM into dynamic memory and the redirection file LWPATH.NAM.
REDIRECT ADD AREA* "/u/johndoe/mcidas/areas
REDIRECT ADD GRID8* "/u/johndoe/mcidas/gridfiles
REDIRECT ADD MDXX1000 "/u/johndoe/mcidas/mdfiles
REDIRECT ADD *.ET "/u/johndoe/mcidas/enhancements
REDIRECT SAVE DATA.NAM
REDIRECT REST DATA.NAM
These entries create redirect entries in the active redirect table and then saves the table as the file DATA.NAM. The last entry makes the file the active redirect table so it can be used.
To create the same DATA.NAM redirect file using a text editor, enter the lines below in DATA.NAM and save the file.
To use the file once it has been created, restore it to the active redirect table by running the command REDIRECT REST DATA.NAM.