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Bug #3034

closed

Tail -n 1 don't work on /proc/curproc/map

Added by cpk over 7 years ago. Updated over 4 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
VFS subsystem
Target version:
-
Start date:
05/09/2017
Due date:
06/17/2020
% Done:

100%

Estimated time:

Description

If i run tail -n 1 /proc/curproc/map it will print 10 last lines.(wc says it is 11 but something is wrong here)
But then if i redirect output to file and then tail it it will print correct number of lines.

tail -n 1 /proc/curproc/map |wc -l
11 143 1111
tail -n 1 /proc/curproc/map > /tmp/tail-bug && tail -n 1 /tmp/tail-bug |wc
1 13 95

uname -a
DragonFly dfly-0 4.6-RELEASE DragonFly v4.6.0rc2-RELEASE #2: Sun Jul 24 14:47:27 EDT 2016 :/usr/obj/home/justin/release/4_6/sys/X86_64_GENERIC x86_64

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