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infodir=/usr/share/info filelist=(units.info) post_install() { for file in ${filelist[@]}; do install-info $infodir/$file $infodir/dir 2> /dev/null done } post_upgrade() { post_install $1 } pre_remove() { for file in ${filelist[@]}; do install-info --delete $infodir/$file $infodir/dir 2> /dev/null done }