How to have Gnu Screen display number of updates for Arch linux
1. sudo vim /etc/cron.hourly/pacmansy
2. and place this within
pacman -Sy
3. then :wq the file and make it executable:
chmod a+x /etc/cron.hourly/pacmansy
4. vim ~/bin/getupdates.pl
and place this within:
#!/usr/bin/perl
use strict;
use warnings;
print ((`pacman -Qu` =~ m/^[^\s]+\s\((\d+)\):/m) ? $1 : 0);
5. vim ~/.screenrc and do this: (relevant parts are bolded)
caption always “%{= KW}%-w%{= Gk}%n %t%{-}%+w %-=”
hardstatus alwayslastline “%{= kW} %-= %{= kC}Session:%u%{= kW} %5` | %{= kC}Host:%{= kW} %H | %1` |%{= kC} MEM:%{= kW} %2`MB /%{= kC} SW: %{= kW}%3`MB | %{= kC}Unread %{= kW}%4` | %{kC}Updates:%{kW} %7` | %m/%d %c”
#Backticks to display information in status bar
backtick 1 60 60 /home/username/bin/get_uptime
backtick 2 60 60 /home/username/bin/get_freemem
backtick 3 60 60 /home/username/bin/get_freeswap
backtick 4 60 60 /home/username/bin/get_gmail
backtick 5 60 60 /home/username/bin/get_sessionname
backtick 7 60 60 perl /home/username/bin/get_updates.pl
Now run screen and the number of updates awaiting for you in pacman should be displayed. Enjoy.
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