Dear useRs,

I have a collection of source file and some of these call others.  The files
are distribute among a number of directories, and to know how to call some
other file they need to know what file is currently executed.

As example, I have a file 'search.R' located in directory 'bin' which needs
to access the file 'terms.conf' located in the directory 'conf', a sibling
of 'bin'.  I can have somethings like readLines('../conf/terms.conf') in
search.R, but this work only if search.R is executed from bin, when getwd is
'bin'.  But when search.R calls from the parent as bin/search.R or any other
derectory then R complains that it could not find the file
'../conf/terms.conf'.

So my questions is:  how can the file search.R, when executied, discover its
own location and load terms.conf from <location of
search.R>/../conf/terms.conf?  the location of search.R can be unrelated to
the current directory.

Mvh.
Marie

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