hi,
i am trying to convert the following watch command to fish:
watch "(for i in *; do du -h \"\$i\"; done| tail -20 | cut -c
-\$((\$COLUMNS-5)))"
actually, the problem i really wanted to solve is to change the order in
which the files are processed. bash expands * alphabetically, and
because the filenames contain spaces, i can't use
for i in `ls -tr`...
however that works in fish:
for i in (ls -tr); du -sh $i; end | tail -20 | cut -c -(math $COLUMNS - 5)
but now i can't wrap that with watch, because watch executes its
argument with sh.
a workaround is a simple loop:
while true;
clear;
for i in (ls -tr);
du -sh $i;
end | tail -20 | cut -c -(math $COLUMNS - 5);
sleep 2;
end
unfortunately the clear; command causes an annoying flicker.
ansi escape-sequences help:
clear;
while true;
echo \e\[H;
for i in (ls -tr);
du -sh $i;
end | tail -20 | cut -c -(math $COLUMNS - 5);
sleep 2;
end
but only as long as each line fills the screen.
i am going with this for now as it is good enough for my needs,
but i am wondering if this can be improved...
greetings, martin.
--
eKita - the online platform for your entire academic life
hackerspace beijing - http://qike.info
--
chief engineer eKita.co
pike programmer pike.lysator.liu.se caudium.net
foresight developer realss.com foresightlinux.org
unix sysadmin trainer developer societyserver.org
Martin Bähr working in china http://societyserver.org/mbaehr/
------------------------------------------------------------------------------
LIMITED TIME SALE - Full Year of Microsoft Training For Just $49.99!
1,500+ hours of tutorials including VisualStudio 2012, Windows 8, SharePoint
2013, SQL 2012, MVC 4, more. BEST VALUE: New Multi-Library Power Pack includes
Mobile, Cloud, Java, and UX Design. Lowest price ever! Ends 9/20/13.
http://pubads.g.doubleclick.net/gampad/clk?id=58041151&iu=/4140/ostg.clktrk
_______________________________________________
Fish-users mailing list
Fish-users@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/fish-users
