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Reads the pathnames, where input/output files are expected to be. *
The file pathnames must be available in the current working directory. *
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Author: A. Stohl *
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1 February 1994 *
last modified *
HS, 7.9.2012 *
option to give pathnames file as command line option *
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Variables: * length(numpath) lengths of the path names * path(numpath) pathnames of input/output files * * Constants: * numpath number of pathnames to be read in * *