10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
I am new to ksh scripts. I would like to be able to read a file line by line from a certain line number. I have a specific line number saved in a variable, say $lineNumber. How can I start reading the file from the line number saved in $lineNumber? Thanks! (4 Replies)
Discussion started by: dcowboys13
4 Replies
2. Shell Programming and Scripting
Hi. How can I read row number from one file and print that corresponding record present at that row in another file.
eg
file1
1
3
5
7
9
file2
11111
22222
33333
44444
55555
66666
77777
88888
99999 (3 Replies)
Discussion started by: Abhiraj Singh
3 Replies
3. Solaris
Hi,
I want to write a script with dtrace to count the number of read and write from and to a file. I use this for reading:
dtrace -n 'syscall::read:entry { @ = count(); }'
but it doesn'f give me a single answer. The result is always increasing.
:wall:
Please use next time
code tags... (0 Replies)
Discussion started by: golabi
0 Replies
4. Shell Programming and Scripting
Hello everyone,
I don't really know anything about scripting, but I have to manage to make this script, out of necessity.
#!/bin/bash
while read -r line; do #I'm reading from a big wordlist
instructions using $line
done
Is there a way to automatically write the $line number the script... (4 Replies)
Discussion started by: bobylapointe
4 Replies
5. Shell Programming and Scripting
Hello Guys
Please help me with the below issue
I want to read a flat file source upto certain number of columns
Say my flat file has 30 columns but I want to read upto 25 columns only
How come the above issue can be addressed?
Thanks a lot!!!! (1 Reply)
Discussion started by: Pratik4891
1 Replies
6. UNIX for Dummies Questions & Answers
Hello Everyone.
I am trying to display contains of a file from a specific line to a specific line(let say, from line number 3 to line number 5). For this I got the shell script as shown below:
if ; then
if ; then
tail +$1 $3 | head -n $2
else
... (5 Replies)
Discussion started by: grc
5 Replies
7. Shell Programming and Scripting
Hiii
I am very new to shell scripting.This is my data file
a.txt:
56
45.78
1000
11.23
76.89
45
34.56
23
3400
100
..........
Now i am must use shell scripting to read n number of lines from the file & from ts n number of lines i need to find greatest number among them & so on for... (44 Replies)
Discussion started by: varsha
44 Replies
8. Shell Programming and Scripting
Hi Guys,
I am new to unix.
Actually i want help in writing an single command where
i can actually read specific line number in file where the line number will be passed to command as parameter.
ex.
1 a
2 b
3 c
4 d
And to my command i pass as 2.
so i should get output as 2 b
... (15 Replies)
Discussion started by: kam786sim
15 Replies
9. Shell Programming and Scripting
Hi All,
I want to read one number from the file.
Only one number will be there in the file.
then i have to increment the number in my script and put it back in the same file.
Is it possible?
Can anybody help me?
Thanks,
Vinay (6 Replies)
Discussion started by: vinayakatj56
6 Replies
10. Shell Programming and Scripting
hi,
I am a begginer in unix and i want to know how to open a file and read it and separate the numbers & words and storing it in separate files, Using shell scripting.
Please help me out for this.
Regards
S.Kamakshi (2 Replies)
Discussion started by: kamakshi s
2 Replies