11-04-2010
Display lines 30 to 40 of a text file using head and/or tail commands
Assume that the text file contains over 40 lines. How do you do this?!?!?
9 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
hai
in my shell script i want to replace the following commands
1) more
2) head
3) tail
i want to try all type of possible options avaliabul in the above commands
please help in implementing those commands (9 Replies)
Discussion started by: g_s_r_c
9 Replies
2. UNIX for Dummies Questions & Answers
I've a major file which includes other files and now I wanna 'cut' the file in several minor parts....like
....
find / -name "*.tmp" >filea
wc -l filea >fileb
sed -e '1s/ filea//' fileb >filec
AMOUNT=`cat filec`
if ; then
cat file a |head -100l (ell) |tail -100l >filec
cat file a |head... (6 Replies)
Discussion started by: svennie
6 Replies
3. Shell Programming and Scripting
I am new to UNIX......I have one file which contains thousnads of records with header and tailer.
Header
Record 1
Record 2
....
....
Last Record
Trailer
I want to concatenate Header and Trailer in the first line....now the output should look like this:
Header: Header value, Trailer:... (2 Replies)
Discussion started by: 33junaid
2 Replies
4. Shell Programming and Scripting
Hi! I have a large set of pairs of text files (each pair in their own subdirectory) and each pair shares head/tail (a couple of first and last lines) but differs in the middle part. I need to delete the heads/tails and keep only the middle portions in which they differ. The lengths of heads/tails... (1 Reply)
Discussion started by: dobryden
1 Replies
5. Shell Programming and Scripting
Hi,
I have been given assignment of 30 scripts out of which I was able to solve many, I need help with few out of which one asks to imitate head and tail command of unix without using the head and tail commands. Problem is stated below:
Write an interactive shell script to imitate the head... (5 Replies)
Discussion started by: nutalk
5 Replies
6. Shell Programming and Scripting
Hi,
As part of our project, we need to load historical data for a year before our system is live. We have the data feed files that we need to load. However, I need to make sure that the file structure (number of fields separated by a comma) on the field is same for all the files of the same... (1 Reply)
Discussion started by: raj.jha
1 Replies
7. UNIX for Dummies Questions & Answers
hay i need to display middle line:
1
2
3
4
5
how can i display 3-4? (6 Replies)
Discussion started by: margan_ron
6 Replies
8. Homework & Coursework Questions
Use and complete the template provided. The entire template must be completed. If you don't, your post may be deleted!
1. The problem statement, all variables and given/known data:
view the 7th line of the program xxx.sh
2. Relevant commands, code, scripts, algorithms:
head command tail... (10 Replies)
Discussion started by: hbell221
10 Replies
9. Homework & Coursework Questions
First month learning about the Linux terminal and it has been a challenge yet fun so far. We're learning by using a gameshell. I'm trying to display a certain line ( only allowed 1 command ) from a file only using the head or tail. I'm pretty about this answer:
head -23 history.txt | tail -1... (1 Reply)
Discussion started by: forzatekk
1 Replies
LEARN ABOUT OPENSOLARIS
gsdiff
SDIFF(1) User Commands SDIFF(1)
NAME
sdiff - side-by-side merge of file differences
SYNOPSIS
sdiff [OPTION]... FILE1 FILE2
DESCRIPTION
Side-by-side merge of file differences.
-o FILE --output=FILE
Operate interactively, sending output to FILE.
-i --ignore-case
Consider upper- and lower-case to be the same.
-E --ignore-tab-expansion
Ignore changes due to tab expansion.
-b --ignore-space-change
Ignore changes in the amount of white space.
-W --ignore-all-space
Ignore all white space.
-B --ignore-blank-lines
Ignore changes whose lines are all blank.
-I RE --ignore-matching-lines=RE
Ignore changes whose lines all match RE.
--strip-trailing-cr
Strip trailing carriage return on input.
-a --text
Treat all files as text.
-w NUM --width=NUM
Output at most NUM (default 130) columns per line.
-l --left-column
Output only the left column of common lines.
-s --suppress-common-lines
Do not output common lines.
-t --expand-tabs
Expand tabs to spaces in output.
-d --minimal
Try hard to find a smaller set of changes.
-H --speed-large-files
Assume large files and many scattered small changes.
--diff-program=PROGRAM
Use PROGRAM to compare files.
-v --version
Output version info.
--help Output this help.
If a FILE is `-', read standard input.
AUTHOR
Written by Thomas Lord.
REPORTING BUGS
Report bugs to <bug-gnu-utils@gnu.org>.
COPYRIGHT
Copyright (C) 2002 Free Software Foundation, Inc.
This program comes with NO WARRANTY, to the extent permitted by law. You may redistribute copies of this program under the terms of the
GNU General Public License. For more information about these matters, see the file named COPYING.
SEE ALSO
The full documentation for sdiff is maintained as a Texinfo manual. If the info and sdiff programs are properly installed at your site,
the command
info diff
should give you access to the complete manual.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+--------------------+-------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-------------------+
|Availability | SUNWgnu-diffutils |
+--------------------+-------------------+
|Interface Stability | Uncommitted |
+--------------------+-------------------+
NOTES
Source for GNU diffutils is available on http://opensolaris.org.
diffutils 2.8.1 April 2002 SDIFF(1)