Search path for the command ‘ Write ’ et al.
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Possible values: String or a sequence of strings.
WRITEPATH determines the directory, into
which the functions
protocol write files
which are not specified with a full (absolute) pathname. If
not defined, then the files are written into the “working directory”.
Note that the “working directory” depends on the operating system. On Windows® systems, it is the folder where MuPAD® is installed. On UNIX® or Linux® systems, the “working directory” is the directory where MuPAD was started.
When concatenated with a file name, the directories given by the path variables must produce valid path names.
Path names are slightly system dependent. You can separate subdirectories
/ on all systems. On Windows systems,
you may alternatively use a backslash character (
Note that in MuPAD, a single backslash inside a character
string is created by typing two backslashes. E.g., the MuPAD string
representing the path
"math\lib\" must be defined
to create path names independent of the current operating system.
This example shows how to define a
More than one path may be given.
read will look for files to be opened
in the directories given by
READPATH. The following
produces a valid
READPATH for UNIX and Linux systems
only, since the path separators are hard coded in the strings:
READPATH := "math/lib/", "math/local/"
It is good programming style to use platform independent path
strings. This can be achieved with the function
READPATH := pathname("math", "lib"), pathname("math", "local")
All path variables can be set to their default values by deleting them:
The path variable
WRITEPATH only accepts
one path string:
WRITEPATH := "math/lib/", "math/local/"
Error: Invalid argument. [WRITEPATH]