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/proc/thread-self/root/proc/self/root/proc/self/root/usr/share/awk

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group.awk1.7 KB · 84 lines
# group.awk --- functions for dealing with the group file## Arnold Robbins, arnold@skeeve.com, Public Domain# May 1993# Revised October 2000# Revised December 2010 BEGIN {    # Change to suit your system    _gr_awklib = "/usr/libexec/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}