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pacman/contrib/pacsysclean.in
Eric Bélanger b75fac5be3 pacsysclean: Add new contrib script
pacsysclean sort installed packages by decreasing installed size. It's
useful for finding large unused package when doing system clean-up. This
script is an improved version of other similar scripts posted on the
forums. Thanks goes to Dan for fixing and improving my original script.

Signed-off-by: Eric Bélanger <snowmaniscool@gmail.com>
Signed-off-by: Dan McGee <dan@archlinux.org>
2011-12-12 12:48:50 -06:00

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#!/bin/bash
# pacsysclean - Sort installed packages by decreasing installed size. Useful for system clean-up.
PACMAN_OPTS=
usage() {
echo "pacsysclean - Sort installed packages by decreasing installed size."
echo
echo "Usage: pacsysclean [options]"
echo
echo "Options:"
echo " -o <options> Specify custom pacman query options (e.g., dt)"
echo " -h, --help Show this help message and exit"
}
if [ -n "$1" ]; then
case "$1" in
-o) PACMAN_OPTS="${2}" ;;
-h|--help) usage; exit 0 ;;
*) usage; exit 1 ;;
esac
fi
IFS=$'\n'
name="^Name.*: (.*)$"
size="^Installed Size.*: (.*) KiB$"
for line in $(LANG=C pacman -Qi $PACMAN_OPTS); do
if [[ $line =~ $name ]]; then
printf "%s\t" ${BASH_REMATCH[1]}
elif [[ $line =~ $size ]]; then
printf "%s\n" ${BASH_REMATCH[1]}
fi
done | sort -g -k2 | awk '
BEGIN {
split("KiB MiB GiB TiB PiB EiB ZiB YiB", suffix)
}
function format_size(size) {
count = 1
while (size + 0 > 1024) {
size /= 1024
count++
}
sizestr = sprintf("%.2f %s", size, suffix[count])
return sizestr
}
{
printf("%s\t%s\n", format_size($2), $1);
}'