64 lines
1.2 KiB
Awk
64 lines
1.2 KiB
Awk
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# passwd.awk --- access password file information
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#
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# Arnold Robbins, arnold@skeeve.com, Public Domain
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# May 1993
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# Revised October 2000
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# Revised December 2010
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BEGIN {
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# tailor this to suit your system
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_pw_awklib = "/usr/lib/awk/"
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}
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function _pw_init( oldfs, oldrs, olddol0, pwcat, using_fw, using_fpat)
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{
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if (_pw_inited)
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return
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oldfs = FS
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oldrs = RS
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olddol0 = $0
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using_fw = (PROCINFO["FS"] == "FIELDWIDTHS")
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using_fpat = (PROCINFO["FS"] == "FPAT")
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FS = ":"
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RS = "\n"
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pwcat = _pw_awklib "pwcat"
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while ((pwcat | getline) > 0) {
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_pw_byname[$1] = $0
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_pw_byuid[$3] = $0
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_pw_bycount[++_pw_total] = $0
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}
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close(pwcat)
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_pw_count = 0
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_pw_inited = 1
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FS = oldfs
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if (using_fw)
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FIELDWIDTHS = FIELDWIDTHS
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else if (using_fpat)
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FPAT = FPAT
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RS = oldrs
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$0 = olddol0
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}
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function getpwnam(name)
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{
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_pw_init()
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return _pw_byname[name]
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}
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function getpwuid(uid)
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{
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_pw_init()
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return _pw_byuid[uid]
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}
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function getpwent()
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{
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_pw_init()
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if (_pw_count < _pw_total)
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return _pw_bycount[++_pw_count]
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return ""
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}
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function endpwent()
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{
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_pw_count = 0
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}
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