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modified post 31751d by Anonymous on Mon 2nd May 2022 13:03
original post d056 by Anonymous on Mon 2nd May 2022 12:55
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#!/usr/bin/ksh93

1	1		#!/usr/bin/ksh93
2	2
3	3		#
4	4		# xorg_proc_package_list.ksh - get list of packages used by Xorg process
5	5		#
6	6		#
7	7		#
8	8
9	9		set -o xtrace
10	10		set -o errexit
11	11		set -o nounset
12	12
13	13		#
14	14		# builtins&vars
15	15		#
16	16		builtin cat
17	17		typeset s1
18	18		typeset s2
19	19
20	20		compound c=(
21	21		integer xorg_pid
22	22		typeset -a mapped_files_ar
23	23		typeset -A package_list
24	24		)
25	25
26	26		c.xorg_pid="$(pgrep Xorg)"
27	27
28	28		c.mapped_files_ar=(
29	29		$(
30	30		cat "/proc/${c.xorg_pid}/maps" \| \
31	31		sed -r 's/[[:xdigit:]]+?-[[:xdigit:]]+? [rwxp-]+ [[:xdigit:]]+? .+? (\/.+?$)/\1/' \| \
32	32		egrep '^/' \|
33	33		sort -u
34	34		)
35	35		)
36	36
37	37		for s1 in "${c.mapped_files_ar[@]}" ; do
38	38		s2="$(apt-file search "$s1" 2>'/dev/null' \|\| true)"
39	39		[[ $s2 != '' ]] \|\| continue
40	40
	41	+	# extract package name
41	42		s2="${s2/~(El)(.+?):.+/\1}"
42	43
43	44		# add result, use package name as index to eliminate duplicates
44	45		c.package_list["$s2"]="$s2"
45	46		done
46	47
47	48		#
48	49		# debug data
49	50		#
50	51		print -v c
51	52
52	53		#
53	54		# print results
54	55		#
55	56		printf "# Package list:\n"
56	57		printf "%s\n" "${c.package_list[@]}"
57	58
58	59		# EOF.
59	60