Date: Wed, 6 Apr 2011 22:34:39 +0400 From: Peter Vereshagin <peter@vereshagin.org> To: freebsd-questions@freebsd.org Subject: Re: graphical representation of `du` Message-ID: <20110406183439.GA5257@external.screwed.box> In-Reply-To: <E1Q6tsu-0006aH-00.avstin-mail-ru@f3.mail.ru> References: <E1Q6SwY-0007EI-00.avstin-mail-ru@f23.mail.ru> <0DD2BF5C-7387-4AFA-BF43-B1683F3773E8@d3photography.com> <BANLkTikj8-zRqtj_CZqw=zswcqQM38sOQ@mail.gmail.com> <E1Q6tsu-0006aH-00.avstin-mail-ru@f3.mail.ru>
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2011/04/05 04:12:40 +0400 á×ÓÔÉÎ ëÉÍ <avstin@mail.ru> => To freebsd-questions@freebsd.org :
> Sun, 3 Apr 2011 20:57:24 +0100 ÐÉÓØÍÏ ÏÔ Chris Rees <utisoft@gmail.com>:
>
> > On 3 April 2011 20:26, á×ÓÔÉÎ ëÉÍ <avstin@mail.ru> wrote:
> > > Sun, 03 Apr 2011 12:01:24 +0200 ÐÉÓØÍÏ ÏÔ David Demelier
> > <demelier.david@gmail.com>:
> > >
> > >> On 02/04/2011 19:30, Chris Rees wrote:
> > >> > On 2 April 2011 18:22, Chris Rees<utisoft@gmail.com> šwrote:
> > >> >> On 2 April 2011 18:07, Mike Jeays<mike.jeays@rogers.com> šwrote:
> > >> >>> On Sat, 2 Apr 2011 17:15:04 +0100
> > >> >>> Chris Rees<utisoft@gmail.com> šwrote:
> > >> >>>
> > >> >>>> du -h . | awk '{a[i++]=$0} END {for (j=i-1; j>=0;) print a[j--] }' |
> > >> >>>> awk '{print($2" ["$1"]");}' | sed -e 's,[^-][^/]*/,--,g' -e 's,^,|,'
> > >> >>>
> > >> >>>
> > >> >>> I confess to being impressed...
> > >> >>>
> > >> >>
> > >> >> Yeah, but perhaps I should have used sed instead of the second awk;
> > >> >> fewer processes:
> > >> >>
> > >> >> du -h | awk '{a[i++]=$0} END {for (j=i-1; j>=0;) print a[j--] }' | sed
> > >> >> -e 's,^[^1-9]*\([^___CTRL-V+TAB______]*\)____CTRL-V+TAB_____*\(.*\)$,\2
> > >> >> \[\1\],;s,[^-][^/]*/,--,g;s,^,|,'
> > >> >>
> > >> >> That does exactly the same -- šwhere I've put ____CTRL-V+TAB______ you
> > >> >> have to type Ctrl-V, then a literal [::tab::] key; BSD sed doesn't do
> > >> >> \t.
> > >> >>
> > >> >> Chris
> > >> >>
> > >> >
> > >> > Final version:
> > >> >
> > >> > http://www.bayofrum.net/~crees/graphical_du.sh
> > >> >
> > >> > Maybe I should port it...
> > >> >
> > >>
> > >> Thanks! This rocks! :-)
> > >>
> > >
> > > What a fun thread :)
> > >
> > > Here's my two cents, written as an sh(1) function that you can tack on to
> > the end of your .profile or .shrc:
> > > (Caveats: šI'm writing this on a Mac OS X machine, not on a FreeBSD machine,
> > at the moment, but hopefully this'll still work.
> > > Also, the following will mess up if you have directories whose names begin
> > with "|".)
> > >
> > > # dg: š`du--graphical'
> > > # Usage: šdg [dir ...]
> > > # Based on script by Chris Rees
> > > # 1459 Sunday, 3 April 2011
> > >
> > > dg ( ) {
> > > šdu -h "$@" |
> > > š šawk '{FS="\t"; print $2"\t["$1"]"}' |
> > > š šsort |
> > > š šsed -e 's:[^/]*/:| :g' -e 's:\(^\(| \)*\)| \([^|].*\):\1+-\3:'
> > > šreturn
> > > š}
> >
> > I used the awk a[i++]=$0} END {for (j=i-1; j>=0;) print a[j--] etc to
> > reverse the order, rather than alphabetise it because it's quicker:
> >
> > $ du -h . | time sort >/dev/null 2>time
> > $ cat time
> > 8.17 real 0.03 user 0.00 sys
> > $ du -h . | time awk '{a[i++]=$2} END { for (j=i-1; j>=0;) print
> > a[j--] }' >/dev/null 2>time2
> > $ cat time2
> > 7.77 real 0.14 user 0.00 sys
> >
> > YMMV of course!
> >
> > Chris
>
> I can't argue with that. If you're a sysadmin and are managing a large system,
> the sort could take some time. On the other hand, there are times when a sort
> might be useful. Then again, you could always just comment that line out :)
>
> Which reminds me, my sort line above may not sort intuitively in the case where
> directory names contain characters that precede / in the ASCII character set;
> for example, "mydir-old" sorts before "mydir/" in ASCII. A quick kludge is to
> translate slashes into, oh I don't know, say carriage returns before the sort,
> and then translate them back after the sort, as is done below. An inelegant
> and inefficient solution, but it works. However, I'm going out on a limb by
> assuming users won't be running this script under MS-DOS, where this kludge
> wouldn't work.
>
> Another problem with my script above is that in some cases, if you run it on
> multiple arguments, e. g., "dg dir1/subdir dir2/subdir," you can't tell from
> the output to which parent directory the subdirectory refers; to deal with
> this problem, the revised version below runs du on each argument one at a time.
> However, I ended up having to duplicate the main command in the script (once
> for "dg" with arguments, and once without), 'cause I'm not clever enough to
> figure out a way to combine the two cases into one in time to post this.
>
> I also had a redundant [^|] in the sed expression which I took out; it
> shouldn't be necessary, although the script will still mess up if any directory
> names start with "| ".
>
> Finally, the revised version is repackaged as a proper sh(1) script like your
> original script rather than as a function, to make it independent of a user's
> particular shell. Obviously further variations and improvements could be made.
>
> Again I'm away from my FreeBSD machine and am writing this on a Mac OS X
> machine; hopefully I didn't break anything.
>
> #!/bin/sh
> #
> # dg: `du--graphical'
> # Usage: dg [dir ...]
> #
> # Based on script by Chris Rees
> # 1459 Sunday, 3 April 2011
> #
> # Modified: 1900 Monday, 4 April 2011
>
> if [ "$1" ]
> then for i in "$@"
> do if [ "$2" ]
> then echo
> echo $i:
> fi
> du -h "$i" |
> awk '{FS="\t"; print $2"\t["$1"]"}' |
> tr / '\r' |
> sort |
> tr '\r' / |
> sed -e 's:[^/]*/:| :g' -e 's:\(^\(| \)*\)| \(.*\):\1+-\3:'
> done
> else du -h |
> awk '{FS="\t"; print $2"\t["$1"]"}' |
> tr / '\r' |
> sort |
> tr '\r' / |
> sed -e 's:[^/]*/:| :g' -e 's:\(^\(| \)*\)| \(.*\):\1+-\3:'
> fi
Again, why don't you guys just use perl to provide a graphical du? I believe
perl is just present on every freebsd machine where graphical du is needed.
73! Peter pgp: A0E26627 (4A42 6841 2871 5EA7 52AB 12F8 0CE1 4AAC A0E2 6627)
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