25 Mar
2011
25 Mar
'11
12:26 p.m.
2011/3/25 Rony Bill gnulinuxist@gmail.com:
if grep -q "$USER" present then echo "Sorry! You have already logged in today."
I have several comments on style and other issues, but this snippet is plain buggy. Imagine two users, prabhakaran and karan. If the former has marked his attendance, this code will not allow the latter to do so at all.
Binand