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Re: Packages for file-finding & disk-usage

From: Sharon Kimble
Subject: Re: Packages for file-finding & disk-usage
Date: Tue, 20 Jan 2015 11:16:40 +0000
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux)

> I'm looking for two packages.  I don't know if anything exists for these
> use cases:
> * HTML dependency finding.
> I often write webpages.  I work by saving files in a tree of directories
> used by a web-server.  Given "<a href=".../foo.html">Foo</a>" in a
> HTML file, I'd like to be able to easily tell if foo.html exists.  For
> example to put point on it and see a message in the echo area like "file
> exists" or "file not found".  Is there a package to do that?
> * Disk usage.
> I'm looking for a tool to monitor disk-usage.  I want to know things
> like how much space the files in a particular directory take up.  Also,
> what type of files use what amount of space.  Is there a way of doing
> that within Emacs?

I use this script, called "backsize", run from a cron job to monitor my backups 
seeing their size -

--8<---------------cut here---------------start------------->8---
# to get back-up directories size


if ! >$file; then
        echo "Error: Access issue while creating file";
        exit 1;

function ComposeFile() { #arg1 friendly_name; arg2 dir
        size_kb=`(du -s $2 | awk '{print $1}') 2>/dev/null`;
        if [ -n "${size_kb}" ]; then
                #calculate into gb with 2 floting ponts controlled by scale
                gb=`echo "scale=2; $size_kb / 1024 / 1024" | bc -l`;
                #if you need wider columns change 25 into i.e. 35
                printf '%-20s %-20s\n' "$1" "${gb}gb" >> $file
# ComposeFile doesnt_exist /dummy
ComposeFile obnam-home /media/boudiccas/back1/obnam-home
ComposeFile music /media/boudiccas/back1/obnam-back4

sed -i '$!N;s/\n/ /' $file
cat $file

exit 0;
--8<---------------cut here---------------end--------------->8---

This then emails me the results when it runs -

--8<---------------cut here---------------start------------->8---
From: root@london (Cron Daemon)
Subject: Cron <boudiccas@london> /home/boudiccas/bin/backsize
To: boudiccas@localhost
Date: Tue, 20 Jan 2015 10:03:42 +0000 (1 hour, 10 minutes, 54 seconds ago)

obnam-home           406.64gb             obnam-back4                250.72gb 
--8<---------------cut here---------------end--------------->8---

Does it help?

A taste of linux =
my git repo =
TGmeds =
Debian testing, fluxbox 1.3.6, emacs

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