// .\" @(#)merge-paths.1 9.99 94/12/29 SMI;
// .TH merge-paths 1 "29 December 1994"
// .SH NAME
// merge-paths \- merges search paths with priority
// .SH SYNOPSIS
// .B merge-paths
// .IR home
// .IR path1
// .IR path2
// .SH DESCRIPTION
// .IX  merge-paths
// .LP
// .B merge-paths
// combines two search paths,
// .IR path1
// and
// .IR path2,
// into a single path that is written to the standard output.
// .LP
// Each path is assumed to be a list of zero or more directory names
// separated by colons.
// Empty directory names and excess colons are ignored.
// The result is written out in the same format.
// .LP
// .B merge-paths
// will give precedence
// to any directory that begins with a
// period, a tilde, or the
// .IR home
// string.
// In case of a tie, the 
// .IR path1
// directories will have precedence over those in 
// .IR path2.
// .SH OPTIONS
// None.
// .SH FILES
// None
// .SH SEE ALSO
// .LP
// .BR csh (1)
// .SH BUGS
// Does not make coffee.
// .SH AUTHOR
// Jorge Stolfi, DCC-IMECC-UNICAMP <stolfi@dcc.unicamp.br>