Hi,
the manual page of grep mentioned the following:
-Z, --null
Output a zero byte (the ASCII NUL character) instead of the
character that normally follows a file name. For example, grep -lZ outputs a
zero byte
after each file name instead of the usual newline. This option
makes the output unambiguous, even in the presence of file names containing
unusual
characters like newlines. This option can be used with
commands like find -print0, perl -0, sort -z, and xargs -0 to process arbitrary
file names,
even those that contain newline characters.
for me (as a non-native English speak ;) ) this means:
Replace a newlie after a filename with a zero-byte.
So when doing
find /tmp | grep -Z tmp | xargs -0 md5sum
it should work comparable to
find /tmp -print0 | xargs -0 md5sum
but for me it does not.
If my logic is not complete nonsense I dont understand the second
part of the text of the manual page:
This option can be used with commands like find -print0, perl -0,
sort -z, and xargs -0 to process arbitrary file names,
even those that contain newline characters.
If I would do
find /tmp -print0 | grep -Z tmp | xargs -0 md5sum
there are no newlines which could be printed "instead of the character that
normally follows a file name. For example, grep -lZ outputs a zero byte
after each file name instead of the usual newline. "....
At this point confusion fills my head and nonsense follows my commands
on the command line.
What does that all mean?
Thank you very much for any help and de-confusion in advance! :)
Best regards,
mcc
