10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hi All,
I need to extract the data from the text file. The data of the text file is shown below
#L 0.000017 4.329939 0.000017 4.716267 r7.9 P 1 1;Net=IN32
The extracted data should be IN32. Could anyone help to script in c shell.? (4 Replies)
Discussion started by: gopishrine
4 Replies
2. UNIX for Dummies Questions & Answers
I have a file
1
298167
298168
1093209
1093210
1422663
I want to write a code where in I want to read contents of above file
like first read is 1
second read is 298167
Substract second read from first and if this is greater than or less than 99,999.
Similarly I want to traverse thru... (3 Replies)
Discussion started by: Guru148
3 Replies
3. Shell Programming and Scripting
Specifically on RHEL 5.7.
When does the underlying ksh process open and close files? Every time they're accessed, or as little as possible?
Say you have some script like:
CreateFiles()
{
grep "<VALUE1>" ${infile} >> ${outfile}
grep "<VALUE2>" ${infile} >> ${outfile}
...... (4 Replies)
Discussion started by: CarloM
4 Replies
4. Programming
$# some text
$$ some text
$@ some text
$$. some text
Mg1 some text
Mg2 some text
.
.
.
Mg10 some text
The above 10 lines are to be extracted except the lines starting from $#,$$.,... (4 Replies)
Discussion started by: baig.abdul
4 Replies
5. Shell Programming and Scripting
I have been doing automation of daily check activity for a server, i have been using sqls to retrive the data and while loop for reading the data from the file for several activities. BUT i got a show stopper the below one.. where the data is getting store in $temp_file, but not being read by while... (1 Reply)
Discussion started by: KuldeepSinghTCS
1 Replies
6. UNIX for Advanced & Expert Users
my input for a script is another csv file
but in that file say 7 lines are there ...
how can i get line by line to that input
for example :
>cat link.csv
www.yahoo.com,yahoo
www.google.com,google
www.unix.com,unix
another file
in that file i need to ping the above links
... (2 Replies)
Discussion started by: ponmuthu
2 Replies
7. UNIX for Advanced & Expert Users
sir i have to get first line from a file
for example
>cat file1
abc
zxc
asd
adsf
from that file1 i need only first line
expected result
>abc
please help me ! (1 Reply)
Discussion started by: ponmuthu
1 Replies
8. UNIX for Advanced & Expert Users
Hi,
I have a log file which runs into 3 to 5 GB.
We store this typically for 6 months. When a new month starts we move the previous month into a 9 month back up log (file.9m) and delete the last month of the 9 month back up.
Iam using awk to find the data and cat to join the files like... (3 Replies)
Discussion started by: baanprog
3 Replies
9. Programming
Hi all,
I got a little issue here. Imagine that I have more than one process accessing one file. Is it possible to know which process(es) are accessing that file when I open the file??
Thanks for the help.
Best regards,
Ernesto (2 Replies)
Discussion started by: ninjanesto
2 Replies
10. Programming
Hi all,
I have a problem in handling files through C.
here is the problem im having:
i will query the database (for instance consider employees table )
for empno,ename,job,salary fields.The query returns me some 100 of rows. now i need to place them in a file in row wise pattern as they... (3 Replies)
Discussion started by: trinath
3 Replies
CUT(1) FSF CUT(1)
NAME
cut - remove sections from each line of files
SYNOPSIS
cut [OPTION]... [FILE]...
DESCRIPTION
Print selected parts of lines from each FILE to standard output.
Mandatory arguments to long options are mandatory for short options too.
-b, --bytes=LIST
output only these bytes
-c, --characters=LIST
output only these characters
-d, --delimiter=DELIM
use DELIM instead of TAB for field delimiter
-f, --fields=LIST
output only these fields; also print any line that contains no delimiter character, unless the -s option is specified
-n with -b: don't split multibyte characters
-s, --only-delimited
do not print lines not containing delimiters
--output-delimiter=STRING
use STRING as the output delimiter the default is to use the input delimiter
--help display this help and exit
--version
output version information and exit
Use one, and only one of -b, -c or -f. Each LIST is made up of one range, or many ranges separated by commas. Each range is one of:
N N'th byte, character or field, counted from 1
N- from N'th byte, character or field, to end of line
N-M from N'th to M'th (included) byte, character or field
-M from first to M'th (included) byte, character or field
With no FILE, or when FILE is -, read standard input.
AUTHOR
Written by David Ihnat, David MacKenzie, 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 cut is maintained as a Texinfo manual. If the info and cut programs are properly installed at your site, the
command
info cut
should give you access to the complete manual.
cut (coreutils) 4.5.3 February 2003 CUT(1)
