On Sun, 2019-10-20 at 00:06 +0000, George R Goffe via users wrote:
>
> Hi,
>
> Just my 2 cents.
>
> first: I'm sure you remember that even if you find a huge file and remove it, the space it occupies will not be available IF the file is still open. I had a /var file system full some time ago and it was /var/log/messages that was HUGE. Removing it didn't help until I recycled syslogd.
>
> second: Here's a function in my .bashrc that I use recursively on a filesystem that's getting close to being full. It's VERY helpful to me and I don't have to type a lot. :-)
>
> dus ()
> {
> echo $sorttmp $sortmem;
> case $# in
> 0)
> /usr/bin/du -xs -- .??* * 2> /dev/null | sort -k1nr | more
> ;;
> *)
> /usr/bin/du -xs -- $* 2> /dev/null | sort -k1nr | more
> ;;
> esac
> }
Why the "echo" of two unset variables at the start?
What is the '--' argument to 'du' doing? (it's not defined in the 'du'
manual, though I assume it has the usual meaning of making leading '-'s
in following arguments non-special.)
What is special about '.??*' ? Is this just to skip '.' and '..'?
What do the '-k1' arguments to 'sort' do? The 'sort' man page defines
'-k' as introducing a field argument, but the output of 'du' has the
size in the first field anyway.
Just curious.
poc
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