1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
#! /bin/bash
# Bash completion setup for Eclat commands.
# Copyright (C) 2012, 2013 Sergey Poznyakoff
#
# Eclat 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 3, or (at your option)
# any later version.
#
# Eclat 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 Eclat. If not, see <http://www.gnu.org/licenses/>.
comp_eclat() {
# Obtain a list of command line options. Each option occupies
# a single line and is followed by an equals sign if it takes
# an argument.
local optlist=$(eclat --usage|sed '1s/^[^[]*//' |
tr -d '\n' |
tr -s ' ' |
sed 's/\] \[/:/g;' |
tr -d '[]' |
awk -F: '
function optproc(s, i,n,a) {
if (match(s, /^-[a-zA-Z][a-zA-Z]/)) {
n = split(s, a, "");
for (i = 2; i <= n; i++)
print "-" a[i];
} else if (match(s, /^-[a-zA-Z] ./))
print substr(s,1,2) "=";
else {
if (match(s, /=/)) {
opt="="
sub(/=.*/,"",s)
} else
opt=""
n = split(s, a, " ");
for (i = 1; i <= n; i++) {
sub(/,$/,"",a[i])
print a[i] opt
}
}
}
{ for (i = 1; i < NF; i++) optproc($i) }')
# Bail out if we're sitting on a word starting with a dash, i.e.
# an option. Otherwise, make sure no command appears in the command
# line to the left of the current word. If not, we're trying to
# complete a command, so proceed safely.
COMPREPLY=()
local opt arg=${COMP_WORDS[$COMP_CWORD]}
case $arg in
-*) return
esac
for i in $(seq $(($COMP_CWORD - 1)) -1 1)
do
opt=${COMP_WORDS[$i]}
case $opt in
-*) if test -n "$arg"; then
if echo "$optlist" | grep -q "^$opt.*="; then
test $i -eq $(($COMP_CWORD - 1)) && return
arg=
else
return
fi
fi
;;
*) if test -n "$arg" && test $i -lt $(($COMP_CWORD - 1)); then
return
else
arg=$opt
fi
esac
done
# Finally, find matching commands.
COMPREPLY=( $(eclat --match-commands ${COMP_WORDS[$COMP_CWORD]}) )
}
complete -F comp_eclat -o default eclat
|