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Full Discussion: Script to tar/rsync/rm multiple folder names
Top Forums Shell Programming and Scripting Script to tar/rsync/rm multiple folder names Post 302971826 by drl on Tuesday 26th of April 2016 07:17:06 AM
Old 04-26-2016
Hi.

I see that there are similar recent questions posted in
wait and continue if directory stays same size
and in
wait and continue if directory stays same size

My take is that directory space is allocated not just one entry at a time, but by blocks. So that there may be no noticeable change when objects are added to a directory.

Similarly, on some systems (perhaps older), directory space was not reduced when object are deleted.

A search provides these links, describing such properties as directory size:
linux - Shrink/reset directory size? - Server Fault
inode - Monotonic growth of Linux directory size/block count - Server Fault
https://bbs.archlinux.org/viewtopic.php?id=135252

So trying to detect a change in directory content by monitoring the size seems to be fruitless.

However, there are, as can be seen from the responses at LQ, that there may be ways to monitor events within a directory. (I thought I had posted a demonstration of that, but I cannot find it just now.)

Best wishes ... cheers, drl

---------- Post updated at 06:17 ---------- Previous update was at 06:08 ----------

Hi.

Quote:
Originally Posted by bakunin
Finally: you define some "indenting step" for yourself. Pick anything you are comfortable with. I prefer 5 spaces because i like the clear picture it gives. On the other hand you start pretty soon to get far right if you have many indentation steps. Some prefer only 3 spaces, some even two. One can nest more levels with less indentation but at the same time different parts of the code are not separated as clearly as with more indentation. Find your own optimum but FIND one. Do NOT write code the way you do because you will hate yourself once you have to correct or change your own programs after a while.
Exactly.

In my situation, I almost never format/indent manually because I'm too fallible and there are tools to do this. I apply these continually while I am developing. Here are some:
Code:
Tidy, format, indent, beautify, pretty-print source code text files

        0) pretty-printing on postscript printer
           trueprint
           a2ps

        1) perltidy

        2) awk-pretty
           ftp://ftp.armory.com/pub/scripts/fmtawksh (verified 2016.04.25)
           http://www.armory.com/~ftp/

        3) f90tidy
           http://www.ifremer.fr/ditigo/molagnon/fortran90/ (verified 2016.04.25)

        4) f77tidy
           http://www.pdas.com/tidy.html (verified 2016.04.25)

        5) bash, shell
           http://arachnoid.com/python/beautify_bash_program.html
           (verified 2016.04.25)

        6) tclfrink
           http://wiki.tcl.tk/2611 (verified 2016.04.25)
           tcltidy
           http://wiki.tcl.tk/15731 (verified 2016.04.25)

        7) ruby
           http://arachnoid.com/ruby/rbeautify.rb.txt (verified 2016.04.25)
           ruby-beautify

        8) C, C++, Objective-C, C#, and Java
           astyle
           C
           indent

Best wishes ... cheers, drl
 

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