File size: 1,761 Bytes
72268ee |
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 83 84 |
# group.awk --- functions for dealing with the group file
#
# Arnold Robbins, [email protected], Public Domain
# May 1993
# Revised October 2000
# Revised December 2010
BEGIN {
# Change to suit your system
_gr_awklib = "/usr/lib/awk/"
}
function _gr_init( oldfs, oldrs, olddol0, grcat,
using_fw, using_fpat, n, a, i)
{
if (_gr_inited)
return
oldfs = FS
oldrs = RS
olddol0 = $0
using_fw = (PROCINFO["FS"] == "FIELDWIDTHS")
using_fpat = (PROCINFO["FS"] == "FPAT")
FS = ":"
RS = "\n"
grcat = _gr_awklib "grcat"
while ((grcat | getline) > 0) {
if ($1 in _gr_byname)
_gr_byname[$1] = _gr_byname[$1] "," $4
else
_gr_byname[$1] = $0
if ($3 in _gr_bygid)
_gr_bygid[$3] = _gr_bygid[$3] "," $4
else
_gr_bygid[$3] = $0
n = split($4, a, "[ \t]*,[ \t]*")
for (i = 1; i <= n; i++)
if (a[i] in _gr_groupsbyuser)
_gr_groupsbyuser[a[i]] = _gr_groupsbyuser[a[i]] " " $1
else
_gr_groupsbyuser[a[i]] = $1
_gr_bycount[++_gr_count] = $0
}
close(grcat)
_gr_count = 0
_gr_inited++
FS = oldfs
if (using_fw)
FIELDWIDTHS = FIELDWIDTHS
else if (using_fpat)
FPAT = FPAT
RS = oldrs
$0 = olddol0
}
function getgrnam(group)
{
_gr_init()
return _gr_byname[group]
}
function getgrgid(gid)
{
_gr_init()
return _gr_bygid[gid]
}
function getgruser(user)
{
_gr_init()
return _gr_groupsbyuser[user]
}
function getgrent()
{
_gr_init()
if (++_gr_count in _gr_bycount)
return _gr_bycount[_gr_count]
return ""
}
function endgrent()
{
_gr_count = 0
}
|