[Bug 203116] /usr/bin/file: very slow processes large text files

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=203116

            Bug ID: 203116
           Summary: /usr/bin/file: very slow processes large text files
           Product: Base System
           Version: 10.2-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: bin
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: admin at vladiom.com.ua

/usr/bin/file from base very slow processes large text files (for example in
Midnight Commander).

After removed /usr/bin/file and create link to /usr/local/bin/file (install
from ports sysutils/file), MC again quickly open large files.

Timing for /usr/bin/file:
# time file /usr/ports/UPDATING 
/usr/ports/UPDATING: ASCII text
13.811u 0.007s 0:13.84 99.7%    20+173k 0+0io 0pf+0w

Timing for /usr/local/bin/file:
# time file /usr/ports/UPDATING 
/usr/ports/UPDATING: ASCII text
0.247u 0.000s 0:00.24 100.0%    20+175k 0+0io 0pf+0w

# uname -srm
FreeBSD 10.2-RELEASE-p2 amd64

# less make.conf 
#BATCH=YES
#FORCE_PKG_REGISTER=YES
CPUTYPE?=core2
OPTIONS_SET=CUPS
WITHOUT_LPR=YES
DEFAULT_VERSIONS+=apache=2.2
QT4_OPTIONS=CUPS NAS QGTKSTYLE
LOCALIZED_LANG=ru
DEFAULT_VERSIONS+=perl5=5.18

Detail: https://forums.freebsd.org/threads/usr-bin-file-works-very-slow.52958/

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