9 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi All,
i want to write a shell script read below file line by line and want to exclude the lines which contains empty value for MOUNTPOINT field.
i am using centos 7 Operating system.
want to read below file.
# cat /tmp/d5
NAME="/dev/sda" TYPE="disk" SIZE="60G" OWNER="root"... (4 Replies)
Discussion started by: balu1234
4 Replies
2. Shell Programming and Scripting
I need some help. I would like to read in a text file.
Take a variable such as ROW-D-01, compare it to what's in one line in the text file such as PROD/VM/ROW-D-01 and only input PROD/VM into a variable without the /ROW-D-01.
Is this possible? any help is appreciated. (2 Replies)
Discussion started by: xChristopher
2 Replies
3. Shell Programming and Scripting
So, I want to read line-by-line a text file with unknown number of files....
So:
a=1
b=1
while ; do
b=`sed -n '$ap' test`
a=`expr $a + 1`
$here do something with b etc
done
the problem is that sed does not seem to recognise the $a, even when trying
sed -n ' $a p'
So, I cannot read... (3 Replies)
Discussion started by: hakermania
3 Replies
4. Shell Programming and Scripting
I have large file with around 100k+ lines. I wanted to retain only the last 100 lines in that file. One way i thought was using
tail -1000 filename > filename1
mv filename1 filename
But there should be a better solution.. Is there a way I can use sed or any such command to change the... (9 Replies)
Discussion started by: nss280
9 Replies
5. Shell Programming and Scripting
I want help reading data from different position of a line
cat filename | cut -c120-131 6263-6280 or
cat filename | cut -c120-131 -c6263-6280 doesn't seem to work.
Please help
jak (2 Replies)
Discussion started by: jakSun8
2 Replies
6. Shell Programming and Scripting
Hello,
I have a problem which is giving me headache for days, can some please help. Please see code and text fiel below. Please see text in red for the problem I am facing
# Program gets an input x from user
while read line ; do
echo... (4 Replies)
Discussion started by: jermaine4ever
4 Replies
7. Shell Programming and Scripting
hello,
I have got the following problem that I am hoping someone can help with please.
1. I have got the following text file (below) , the columns data are
'Test Day', 'Board', 'Betting Number'.
TEXT FILE
============================================
1 3 02-01-27-28-29-30
0 1... (1 Reply)
Discussion started by: jermaine4ever
1 Replies
8. Shell Programming and Scripting
Hello! I am writing a program that reads a bunch of arguments from the command line,then read information from a file(passed as one of the arguments) and do some computation. The problem I am facing is when a backslash(\) is present as one of the arguments, suppose $ myprog \ abc xyz,the backslash... (2 Replies)
Discussion started by: rossi143
2 Replies
9. Shell Programming and Scripting
Hi All,
I am having trouble through, I am reading the input from tab delimited file containing several records,
e.g.
line1 field1 field2 field3 so on..
line2 field1 field2 field3 so on..
..
..
on the basis of certain fields for each record in input file, I have to retrieve... (1 Reply)
Discussion started by: Sonu4lov
1 Replies