04-24-2015
Some comments, as requested:
- Don't use who if parameters are missing (too many fields); use whoami.
- Use a format string for the first printf, and consider abandoning echo in printf's favour.
- Don't use $(who | grep $name) several times; run it once and store its output.
- Use `...` or $(...) consistently.
- Due to possibly different output fields between your and my who, I can't comment on the terminal(e) stuff, but with my who's results that processing looks bizarre
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LEARN ABOUT OPENSOLARIS
whoami
whoami(1B) SunOS/BSD Compatibility Package Commands whoami(1B)
NAME
whoami - display the effective current username
SYNOPSIS
/usr/ucb/whoami
DESCRIPTION
whoami displays the login name corresponding to the current effective user ID. If you have used su to temporarily adopt another user,
whoami will report the login name associated with that user ID. whoami gets its information from the geteuid and getpwuid library routines
(see getuid and getpwnam(3C), respectively).
FILES
/etc/passwd username data base
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWscpu |
+-----------------------------+-----------------------------+
SEE ALSO
su(1M), who(1), getuid(2), getpwnam(3C), attributes(5)
SunOS 5.11 14 Sep 1992 whoami(1B)