codekingpro/portable-devtools

1# passwd.awk --- access password file information2#3# This file and how to use it are described in the manual.4# Therefore, we respectfully advise you to Read The Fine Manual5# for more information.6#7# Arnold Robbins, arnold@skeeve.com, Public Domain8# May 19939# Revised October 200010# Revised December 201011 12BEGIN {13    # tailor this to suit your system14    _pw_awklib = "/usr/lib/awk/"15}16 17function _pw_init(    oldfs, oldrs, olddol0, pwcat, using_fw, using_fpat)18{19    if (_pw_inited)20        return21 22    oldfs = FS23    oldrs = RS24    olddol0 = $025    using_fw = (PROCINFO["FS"] == "FIELDWIDTHS")26    using_fpat = (PROCINFO["FS"] == "FPAT")27    FS = ":"28    RS = "\n"29 30    pwcat = _pw_awklib "pwcat"31    while ((pwcat | getline) > 0) {32        _pw_byname[$1] = $033        _pw_byuid[$3] = $034        _pw_bycount[++_pw_total] = $035    }36    close(pwcat)37    _pw_count = 038    _pw_inited = 139    FS = oldfs40    if (using_fw)41        FIELDWIDTHS = FIELDWIDTHS42    else if (using_fpat)43        FPAT = FPAT44    RS = oldrs45    $0 = olddol046}47function getpwnam(name)48{49    _pw_init()50    return _pw_byname[name]51}52function getpwuid(uid)53{54    _pw_init()55    return _pw_byuid[uid]56}57function getpwent()58{59    _pw_init()60    if (_pw_count < _pw_total)61        return _pw_bycount[++_pw_count]62    return ""63}64function endpwent()65{66    _pw_count = 067}68