jakobi's comment, I think, leads into the very core of the problem. The difference between a numeric, a string and octals. And the fact that I still haven't quite figured out the logics behind a bitmask, bit operators and the like.

A bit of pseudo code to illustrate my script, so someone who kwows this stuff better than me can tell me where I need to throw in the oct() function or so to make it work again:
  1. server-side script does a stat()
  2. server-side script returns a HTTP::Response with content in the form "$name\t$size\t$mode\t$nlink\t$ctime\t$atime\t$mtime"
  3. client-side script receives the response content as a string
  4. client-side script does @stat  = split(/\t/, $stat); on the string
  5. client-side script does if(POSIX::S_ISDIR(int($stat[1]))){ ... } # int() to make sure its numeric, but something got lost here

5. worked in a test-setup where "server-side" was on Windows and "client-side" was on Windows
5. broke when I migrated the "server-side" to a Debian machine.
(how to encode/decode $mode to keep it intact while represented as a string?)

BTW: man (2) stat is full of insight... ;-)

In reply to Re: POSIX::S_ISDIR() with $stat->mode values from Windows vs. Linux by isync
in thread POSIX::S_ISDIR() with $stat->mode values from Windows vs. Linux by isync

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