bin/121287: dd(1) ignores any conversions if 'bs' was specified
Jordan Sissel
psionic at gmail.com
Sun Mar 9 05:40:03 UTC 2008
The following reply was made to PR bin/121287; it has been noted by GNATS.
From: "Jordan Sissel" <psionic at gmail.com>
To: bug-followup at FreeBSD.org, nick at anywi.com
Cc:
Subject: re: bin/121287: dd(1) ignores any conversions if 'bs' was specified
Date: Sat, 8 Mar 2008 21:03:23 -0800
% dd if=/dev/zero conv=sparse ibs=1m count=100 of=myfile
100+0 records in
204800+0 records out
104857600 bytes transferred in 0.274636 secs (381805694 bytes/sec)
% du -hs myfile
48K myfile
% ls -l myfile
-rw-r--r-- 1 jls jls 104857600 Mar 8 12:12 myfile
Setting ibs and conv=sparse correctly generates a sparse file.
Additionaly, in your report you show two examples, both of which would
never create sparse files (despite your filenames containing
'sparsefile')
Can you elaborate on this? I don't really see a problem.
-Jordan
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