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Message-ID:	<905e7aef-3cbf-4a4e-a8d9-037e10691d8d@huarp.harvard.edu>
Date:	Fri, 22 Sep 2023 20:15:30 -0400
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Subject:	Re: Shell API to get Windows SID from Cygwin name?
To:	cygwin AT cygwin DOT com
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From:	"Allen, Norton T. via Cygwin" <cygwin AT cygwin DOT com>
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On 9/22/2023 8:07 AM, Brian Inglis via Cygwin wrote:
> On 2023-09-21 23:58, Martin Wege via Cygwin wrote:
>> Does Cygwin have a shell (e.g. bash) API to lookup the Windows SID for
>> a given Cygwin user or group name?
>> /usr/bin/getent usersid thisisausername
>
> Forget Windows! Think Unix:
>
> $ getent passwd $USER    # sanitized output:
> $USER:*:$UID:545:U-$HOSTNAME/$USER,S-1-5-21-...-...-...-1001:$HOME:/bin/bash 
>
>
According to the man page, getent passwd takes a numeric UID, not a user 
name. But if you don't provide a UID, it basically lists what would be 
in /etc/passwd, which you could parse to locate the row you want by 
username.



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