Hi Robbin,
vgersh99 is correct in noting that quoted asterisks, question marks, etc. are matched by the shell as literal strings. To use asterisks to match any string of characters in a pathname and to use a question mark to match any single character in a pathname in pathname pattern expansions, the asterisks and question marks cannot be quoted.
Since there are no IFS characters in either Deposit_ or Withdrawal_, no quotes are required. But, any of the following would work:
unless the pathnames roll over from Deposit_999 to Deposit_1000 and Withdrawal_999 to Withdrawal_1000.
Hi fretagi,
If you are trying to find the last two files based on most recent modification timestamp instead of by alphanumeric filename sort order consider trying one of the following instead:
Either of these will work even when the number of digits increases in the matched filenames.
Im trying to transfers a file from one unix server to another , make some changes and then send it back to the original server. All this using modems.
I've been using "cu" and i can "get" the file but i can't "put" it. Besides I need to do this using a shell script. I can write a script to get... (4 Replies)
What commands do you need to transfer a specfic portion of a file content to another file?
eg file_one has
00012 10012
00013 10013
00014 10014
So I just want to transfer all the values of the second column ie 10012, 10013, 10014 to be transferred to file_two?
Thanks in advance.... (1 Reply)
Hi All,
I am trying to rsync some of the latest files from remote m/c to my local linux box.
Folder structure in my remote m/c looks like this
/pub/Nightly/Package/ROLL/WIN
/pub/Nightly/Package/SOLL/sol
/pub/Nightly/Package/SOLL/linux
Each of the folder contains gzip files which on daily... (0 Replies)
Hi Friends,
Newbie to shell scripting. Currently i have used the below to sort data based on filenames and datestamp
$ printf '%s\n' *.dat* | sort -t. -k3,4
filename_1.dat.20120430.Z
filename_2.dat.20120430.Z
filename_3.dat.20120430.Z
filename_1.dat.20120501.Z
filename_2.dat.20120501.Z... (1 Reply)
Hi Friends,
Newbie to shell scripting
Currently i have used the below to sort data based on filenames and datestamp
$ printf '%s\n' *.dat* | sort -t. -k3,4
filename_1.dat.20120430.Z
filename_2.dat.20120430.Z
filename_3.dat.20120430.Z
filename_1.dat.20120501.Z
filename_2.dat.20120501.Z... (12 Replies)
Hi
I have a scenario:
I have a directory say DIR1 (no sub directories) and have few files in that directory as given below:
app-cnd-imp-20150820.txt
app-cxyzm-imp-20150820.txt
app-petco-imp-20150820.txt
app-mobility-imp-20150820.txt
app-mobility-imp-20150821.txt... (7 Replies)
Discussion started by: Saanvi1
7 Replies
LEARN ABOUT REDHAT
tail
TAIL(1) FSF TAIL(1)NAME
tail - output the last part of files
SYNOPSIS
tail [OPTION]... [FILE]...
DESCRIPTION
Print the last 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name. With
no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
--retry
keep trying to open a file even if it is inaccessible when tail starts or if it becomes inaccessible later -- useful only with -f
-c, --bytes=N
output the last N bytes
-f, --follow[={name|descriptor}]
output appended data as the file grows; -f, --follow, and --follow=descriptor are equivalent
-F same as --follow=name --retry
-n, --lines=N
output the last N lines, instead of the last 10
--max-unchanged-stats=N
with --follow=name, reopen a FILE which has not changed size after N (default 5) iterations to see if it has been unlinked or
renamed (this is the usual case of rotated log files)
--pid=PID
with -f, terminate after process ID, PID dies
-q, --quiet, --silent
never output headers giving file names
-s, --sleep-interval=S
with -f, sleep for approximately S seconds (default 1.0) between iterations.
-v, --verbose
always output headers giving file names
--help display this help and exit
--version
output version information and exit
If the first character of N (the number of bytes or lines) is a `+', print beginning with the Nth item from the start of each file, other-
wise, print the last N items in the file. N may have a multiplier suffix: b for 512, k for 1024, m for 1048576 (1 Meg).
With --follow (-f), tail defaults to following the file descriptor, which means that even if a tail'ed file is renamed, tail will continue
to track its end. This default behavior is not desirable when you really want to track the actual name of the file, not the file descrip-
tor (e.g., log rotation). Use --follow=name in that case. That causes tail to track the named file by reopening it periodically to see if
it has been removed and recreated by some other program.
AUTHOR
Written by Paul Rubin, David MacKenzie, Ian Lance Taylor, and Jim Meyering.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE.
SEE ALSO
The full documentation for tail is maintained as a Texinfo manual. If the info and tail programs are properly installed at your site, the
command
info tail
should give you access to the complete manual.
tail (coreutils) 4.5.3 February 2003 TAIL(1)