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When I work on Linux/GNU distro environment I often use that wonderfull command

du --max-depth=1 /

That gives you the size of each folder in your root directory. Today I work with AIX and sysadmin does not want to heard about GNU.
Is there any tool or command line that allow to reproduce the switch --max-depth on AIX for du command ?

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1 Answer 1

up vote 6 down vote accepted

Just remove the lines from the sub-directories (that assumes directory names don't have newline characters in them):

du | grep -v '/.*/'

or:

du | awk -F/ 'NF <= 2'

Note that it won't be significantly slower than GNU's du --max-depth=1 as the costly part is lstating all the files which needs to be done for both.

If you can't guarantee that directory names won't have newline characters in them:

du .//. | awk '
  function process() {
    if (p != "" && split(p, a, "/") <= 4) {
      sub("//.", "", p);
      print p
    }
  }
  /\/\// {process(); p=$0; next}
  {p = p "\n" $0}
  END {process()}'
share|improve this answer
    
I guess I need to use /.*/.*/ for --max-depth=2 ? –  Kiwy Feb 28 at 9:51
    
@Kiwy, or use awk -F/ 'NF <= 3' –  Stéphane Chazelas Feb 28 at 9:55
    
thank but I'll stick with grep, I'm really uncomfortable with that awkward binary –  Kiwy Feb 28 at 9:58

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