Create A Continuous Yahoo! News Ticker For The Terminal

while true;do n="$(curl -s http://news.yahoo.com/rss/|sed 's/</\n/g'|grep "title>"|sed -e '/^\// d' -e 's/title>/---------- /g' -e '1,3d'|tr '\n' ' ')";for i in $(eval echo {0..${#n}});do echo -ne "\e[s\e[0;0H${n:$i:$COLUMNS}\e[u";sleep .15;done;done &
This creates a permanent stock ticker in the terminal. it has scrolling action and refreshes when each cycle is done to get the latest news.

8
By: SQUIIDUX
2012-11-17 23:56:17

What Others Think

Nice! You can avoid eval: Replace $(eval echo {0..${#n}}) with $(seq 0 ${#n})
michelsberg · 619 weeks and 6 days ago
i like it but eval is POSIX and seq is not, that is why i chose it
SQUIIDUX · 619 weeks and 5 days ago
may I suggest the following 1. replace curl with wget 2. use awk for parsing 3. use a stop condition while [ ! -e /tmp/nt_stop ];do n=$(wget -q -O - http://news.yahoo.com/rss/|awk 'BEGIN{FS="<item><title>"}{for(i=2;i<=NF;i++){sub(/<.*/," ",$i);printf("%s",$i)}}');for i in $(eval echo {0..${#n}});do echo -ne "\e[s\e[0;0H${n:$i:$((COLUMNS - 1))}\e[u";sleep .10;[ -e /tmp/nt_stop ] && break;done;done & to stop it touch /tmp/nt_stop;sleep .5;rm /tmp/nt_stop
ichbins · 619 weeks and 4 days ago
If the command is running in the background, you can just use the fg command to bring it forward and then CTRL+C to stop it or you can view the process when it gets forked and kill -9 $PID. this way there is no temp files.
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