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28 Commits

Author SHA1 Message Date
jh
77616d7d41 Print file names without stdio buffering to avoid mixing buffered and 
unbuffered ouput.

PR:		bin/176886
Reviewed by:	mjg
 2013-06-09 08:06:26 +00:00
ed
ae674f5b37 Add missing static keywords to tail(1) 2011-11-06 08:17:17 +00:00
joel
29af67e52c Remove the advertising clause from UCB copyrighted files in usr.bin. This 
is in accordance with the information provided at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change

Also add $FreeBSD$ to a few files to keep svn happy.

Discussed with:	imp, rwatson
 2010-12-11 08:32:16 +00:00
brian
330bc8582d Change the behaviour of -F slightly; it now persists (forever) in 
trying to open files rather than giving up when it encounters an
error.  ENOENT errors are not reported.

As a result, files that are moved away then recreated are not at
risk of being 'lost' to tail.  Files that are recreated and
temporarily have unreadable permissions will be shown when they
are fixed.

This behaviour is consistent with the GNU version of tail but
without the verbiage that goes with the GNU version.

This change also fixes error messages accompanying -f and -F.
They no longer report problems with (null)!

MFC after:	3 weeks
 2009-06-05 09:08:53 +00:00
charnier
f991a17523 initialize variables, WARNS=6 compliant 2007-11-02 18:06:51 +00:00
ru
7adc3589c2 - Simplify the formatting in the SYNOPSIS. 
- Add the forgotten new option in usage().
 2006-06-30 08:19:26 +00:00
flz
6d4f7a588c Add a -q option to suppress header lines when multiple files are specified. 
Approved by:	cperciva (mentor)
MFC after:	1 week
 2006-06-29 22:07:49 +00:00
eivind
4587fc275c Back out revision 1.19 and 1.20 until I find mental clarity to deal with 
issues bde pointed out.
 2005-06-01 20:34:06 +00:00
eivind
bf8bf9051e Remove an errno reset that became unnecessary. 
Noticed by: juli
 2005-05-26 22:49:08 +00:00
eivind
1a8a2d84cd We are past 4.4BSD - use our new-found stat flags for pipes and fifos. 2005-05-26 22:14:37 +00:00
paul
4b813e782f Add support for following more than one file i.e. 
tail -f file1 file2
 2004-11-04 19:18:19 +00:00
paul
a13bf2199d Revert a WIP change that shouldn't have been in last commit. 2004-11-03 17:52:29 +00:00
paul
5386ac46ea Convert to ANSI style function definitions. 2004-11-03 15:23:11 +00:00
alfred
adf0fb9f4e WARNS=4, add 2002-07-14 18:21:07 +00:00
imp
0b20191705 remove __P 2002-03-22 01:42:45 +00:00
markm
d7e4e2a006 WARNS=2 fixes, use __FBSDID(). 2001-12-12 00:01:16 +00:00
fenner
efade0125d Allow "obsolete" (but commonly-used) command line style to be used 
with -F, e.g. tail -1 -F /var/log/messages.

Submitted by:	Maxim Konovalov <maxim@macomnet.ru>
 2001-10-02 06:22:01 +00:00
ache
46ab006323 File positions are off_t nowdays, not long, so: 
long -> off_t
strtol -> strtoll
fseek -> fseeko

NOTE: that fseek not works for >long offsets files per POSIX:

[EOVERFLOW] For fseek( ), the resulting file offset would be a value which
cannot be represented correctly in an object of type long.
 2001-09-01 22:22:45 +00:00
ru
5038154904 Mention the -F in the usage(). 
PR:		24586
Submitted by:	Cyrille Lefevre <clefevre@citeweb.net>
 2001-01-24 08:27:59 +00:00
asmodai
2bf21fac09 Remove register keyword usage with prejudice. 
Modern compilers are smarter when it comes to allocating register
usage.
 2000-12-03 17:05:45 +00:00
asmodai
33a20c676d Use a size_t instead of an int. 2000-12-02 20:21:13 +00:00
asmodai
85f201535e Properly constify some static arrays. 
Also #if out some sccsid's and add rcsid's.
 2000-12-02 19:10:12 +00:00
billf
4822432874 Clean up some ambiguous nested if/elses. 1999-07-04 17:26:16 +00:00
peter
7c3222498a Add a new -F flag which is a superset of -f. It will cause tail to 
stat() the file being followed and do a close/reopen if the file has been
renamed and/or rotated.  This is damn useful for leaving running on files
in /var/log when newsyslog(8) rotates them.
 1998-04-06 16:13:49 +00:00
imp
141381e1cb compare return value from getopt against -1 rather than EOF, per the final 
posix standard on the topic.
 1997-03-29 04:34:07 +00:00
peter
64c12fd60d Dont forget to #include <err.h> 1996-08-25 21:14:19 +00:00
peter
a5eafc88c5 Argh! caught! *blush*.. This program was supplying it's own 'err' routine 
which was slightly different to the libc one.  To save any more cunfusion,
use the libc one.
 1996-08-25 21:12:01 +00:00
rgrimes
f9ab90d9d6 BSD 4.4 Lite Usr.bin Sources 1994-05-27 12:33:43 +00:00