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Full Discussion: finger command
Top Forums UNIX for Advanced & Expert Users finger command Post 302097055 by johnf on Tuesday 21st of November 2006 09:48:18 AM
Old 11-21-2006
Try:

cat /etc/passwd | grep username 1>/dev/null 2>&1

if [ $? != 0 ]
then
echo user does not exist
else
echo user does exist
fi
 

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fprintd(1)																fprintd(1)

NAME
fprintd - Fingerprint management daemon, and test applications SYNOPSYS
fprintd-enroll [username] fprintd-list username [usernames...] fprintd-verify [-f finger] [usename] fprintd-delete username [usernames...] DESCRIPTION
This manual page documents briefly the fprintd command-line utilities. The fprintd daemon is accessed through D-Bus by those command-line utilities. ARGUMENTS
username The username for the user for which you want to query or modify the fingerprint database. Not that fprintd-list and fprintd-delete require at least one username to be passed, and support multiple usernames. fprintd-enroll and fprintd-verify will use the current username if none are passed on the command-line. -f finger For fprintd-enroll, the finger to enroll. Possible values are: left-thumb, left-index-finger, left-middle-finger, left-ring-finger, left-little-finger, right-thumb, right-index-finger, right- middle-finger, right-ring-finger, right-little-finger. The default is automatic, selecting the first available finger for swipe devices, or all the enrolled fingers, for press devices. TEST APPLICATIONS
fprintd-enroll Will enroll the user's right index finger into the database. fprintd-list Will list the user's enrolled fingerprints. fprintd-verify Will enroll the user's right index finger into the database. fprintd-enroll Will enroll the user's right index finger into the database. AUTHOR
fprintd was written by Bastien Nocera and Daniel Drake. DIRECTORIES
By default, fprintd stores the fingerprints in /var/lib/fprint/ SEE ALSO
dbus-daemon, gnome-about-me freedesktop 2010-08-16 fprintd(1)
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