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authorEric Bélanger <snowmaniscool@gmail.com>2011-11-21 17:21:24 -0500
committerDan McGee <dan@archlinux.org>2011-12-12 12:48:50 -0600
commitb75fac5be31d6056e78fd29a0548cc3e6275a1b8 (patch)
treeacb6406afd20db23b2637bc8946fb68638551f68 /contrib/pacsysclean.in
parent6a1d3948a670184f01a697efe55b91b4ccdcb51d (diff)
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>
Diffstat (limited to 'contrib/pacsysclean.in')
-rwxr-xr-xcontrib/pacsysclean.in50
1 files changed, 50 insertions, 0 deletions
diff --git a/contrib/pacsysclean.in b/contrib/pacsysclean.in
new file mode 100755
index 00000000..c87082e0
--- /dev/null
+++ b/contrib/pacsysclean.in
@@ -0,0 +1,50 @@
+#!/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);
+}'