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#! /bin/sh
# Copyright (C) 1995 Graeme W. Wilford. (Wilf.)
#
# This file is part of man-db.
#
# man-db is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# man-db is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with man-db; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# script to weed out duplicated manual pages across hierarchies.
#
# Use argument to pass manpaths to the utils, else the system manpath
# is used.
#
# e.g. invoke as `check /usr/man:/usr/local/man'
if test $# -ne 0
then
manpath=$1
else
manpath=$(manpath -q)
fi
echo "Search for duplicates under:" >&2
echo "$manpath" >&2
dups=$(whatis -w -M "$manpath" "*" |
sed -e 's/\([^(]*\) (\([^)]*\)).*/\2#\1/' | \
sort | uniq -d)
for i in $dups
do
# split up the dup into the section/name components
args=$(echo "$i" | tr '#' ' ')
# We only cater for two dups. Others will have to be fixed on a later run.
# Find the locations of the dup'd files
file1=
file2=
# shellcheck disable=SC2086
for file in $(man -aw -M "$manpath" $args |sed -e 's/\([^ ]*\).*/\1/')
do
if test "$file1"
then
file2=$file
break
else
file1=$file
fi
done
# See which is newer and echo
if test "$(find "$file1" -newer "$file2")"
then
echo "$file1 is newer than $file2" >&2
echo "$file2"
elif test "$(find "$file2" -newer "$file1")"
then
echo "$file2 is newer than $file1" >&2
echo "$file1"
fi
done
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