Description Usage Arguments Details Value
Check the filename passed as an argument to be valid
1 | chkfilename(filename, expand = FALSE)
|
filename |
a charachter string showing an optional directory and a required filename. |
expand |
A Boolean varable. If assigns as TRUE, it will expand a path name, for example by replacing a leading tilde by the user's home directory (if defined on that platform) |
reqpar
function gets a character string. Trim the string and make sure its not empty. In case the user has provided a full path, the path is checked to be existant.
The output is a charachter string to save an output.
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