That will guarantee that no field splitting is done and that leading/trailing whitespace is not discarded in the process. Choosing some seldom seen character/byte as the value for IFS always incurs the risk that the splitting will occur on that value if it rears its head.
sry im new to this...another qns..
if i have a line in the normal shell the file is email.scp. it contains a txt file eg hello.txt that contain this infomation.
k@hotmail.com
j@jotm.com
how do i delete away the blank spaces after the k@hotmail.com..i dun wan any blank spaces after the... (2 Replies)
I have to filter out data from a file based on the value of first three characters of each record I have used the following logic
FIN=$LOC/TEST2.TXT
FEEDFILE=$LOC/TEST1.TXT
while read FDROW
do
FEEDROW=$FDROW;
DTYPE=`echo $FEEDROW |cut -c 1-3`
if ; then
echo $FEEDROW >> $FIN... (5 Replies)
I have a file that has dates like this:
date FINAL_RESULT; 7
date FINAL_RESULT; 2
date FINAL_RESULT; 5
With this command: seira=`cut -f2 -d\; tes.txt` i take the date FINAL RESULTs and i store them on variable seira.then seira look like this: 6 3 8
I want to read seira and make a sum of all... (4 Replies)
Hi,
I am trying to replace a specific column values in a csv file with double quotes when I am find embedded spaces with in the fields.
Example:
SNO,NAME,ZIPCODE,RANK,SEX,ADDRESS
1,Robert,74538,12,34, M,Robert Street, NY
2,Sam,07564,13,M,12 Main Ave, CA
3,Kim, Ed,12345,14,M,123D ,... (1 Reply)
Hello All,
I am trying to remove all tabspaces and all blankspaces from my file using sed & awk, but not getting proper code. Please help me out.
My file is like this (<b> means one blank space, <t> means one tab space)-
$ cat file
NARESH<b><b><b>KUMAR<t><t>PRADHAN... (3 Replies)
Hi to all.
How can I pass to the stat command a file path with blank spaces? And another question, if I use stat command like this:
stat / -name "*.sh" -user $user_name -exec stat -c %n%x {} \;
How can I get the result with a ":" into the name of the file and the time of the last... (4 Replies)
hi
i have a file which store some data.the contents of my file is
data1:data2
data3:data4
i have a script which read this file
correct="$(cat /root/sh | cut -d: -f1)"
i used this syntax..please help me which syntax is used to read blank spaces.and then remove it and after that how to read... (1 Reply)
Hi ,
I want to go out of vi editor temporarily and execute a command in command prompt and again going back to the editor . Is it possible . Any help on this is really helpful.
1. Need to open vi
2. Temporarily come out and execute a command and go back to vi editor (6 Replies)
Hi Gurus,
Somebody can say me how to delete blank spaces and blank lines in a file unix, please.
Thank you for advanced. (10 Replies)
Discussion started by: systemoper
10 Replies
LEARN ABOUT DEBIAN
ndselect
NDSELECT(1) User Commands NDSELECT(1)NAME
ndselect - select lines and fields for numdiff
DESCRIPTION
Usage: ndselect -h|--help|-v|--version or
ndselect [-b N][-e N][-s N][-F N][-L N][-I N][-S IFS][-x][-l PATH][-o PATH] [FILE]
Print to standard output a subset of lines and fields from a given file.
The argument after the options is the name of the file to read from. The complete path of the file should be given, a directory name is
not accepted. If no input file is specified, the program reads from the standard input.
Exit status: 0 in case of normal termination, -1 (255) in case of error
-b, --beginning, --start=N
Set to N the number of the first line to print (The default behavior is to start with line number 1)
-e, --end=N
Set to N the number of the last line that can be printed (The default behavior is to arrive till to the end of the file)
-s, --step=N
Set to N the increment to use when selecting the lines to print (The default value for the increment is 1)
-F, --first-field=N
Set to N the number of the first field to print (The default behavior is to start with field number 1)
-L, --last-field=N
Set to N the number of the last field that can be printed (The default behavior is to arrive till to the end of every line)
-I, --increment=N
Set to N the increment to use when selecting the fields to print (The default value for the increment is 1)
-S, --separator=IFS
Specify the set of characters to use to split the input lines into fields (The default set of characters is space, tab and newline).
-x, --omit-empty-lines
Do not print empty lines
-l, --warnings-to=PATH
Redirect warning and error messages from stderr to the indicated file
-o, --output=PATH
Redirect output from stdout to the indicated file
-h, --help
Show this help message
-v, --version
Show version number, Copyright, Distribution Terms and NO-Warranty
COPYRIGHT
Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Ivano Primi <ivprimi@libero.it>
License GPLv3+: GNU GPL version 3 or later, see <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO
The full documentation for ndselect is maintained as a Texinfo manual. If the info and ndselect programs are properly installed at your
site, the command
info numdiff
should give you access to the complete manual.
ndselect 5.6.0 January 2012 NDSELECT(1)