URL:
<http://savannah.gnu.org/bugs/?34020>
Summary: RFE: Improve handling of sparse files
Project: grep
Submitted by: yarda
Submitted on: Tue 16 Aug 2011 08:21:43 AM GMT
Category: None
Severity: 3 - Normal
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
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Details:
Handling of sparse files should be improved, e.g the following example is
handled by sed, but not by grep:
# cat /proc/meminfo | grep Total
MemTotal: 1017616 kB
SwapTotal: 2064380 kB
VmallocTotal: 34359738367 kB
HugePages_Total: 0
# dd if=/dev/zero of=/tmp/img bs=1 count=0 seek=40G
# grep a /tmp/img
grep: memory exhausted
# echo $?
2
# sed -n '/a/p' /tmp/img
# echo $?
0
Original ticket:
http://bugzilla.redhat.com/show_bug.cgi?id=729052
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