为了管理我的密码，我写了一个小的bash/awk脚本用来管理一个密码数据库并使用GnuPG进行加密。使用pwgrep的好处是：
密码加密密码版本化，不用担心丢失老密码Sinceaversioningsystemisused,thepassworddatabasecanbeusedonseveralhostsatonce(automaticsynchronization).Evenseveralusercansharethesamepassworddatabase.Theversioningsystemwillkeeptrackofwhowaschangingwhichentriesandatwhichtime.Theversioningsystemtousecanbeconfigured(Subversionbydefault)Besidesofpasswords,pwgrepcanalsobeusedforstoringacollectionoffileslikecertificatesThefileshreddingcommandforsecuredeletingoftemporaryfilescanbeconfigured(shredonLinuxanddestroyorrm-PonFreeBSDbydefault)Automaticlocalbackupofalldatabasechanges(Stillaccesstoolddataaftereditingthepassworddatabaseandthenetworkconnectiontotheversioningsystemisnotaccessible)NoneedofaGUI(canbeusedthroughaSSHsession)UsingonlyopensourcesoftwareRunningonall*NIXandalikesystemsVeryeasyandstraightforwardtouse
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