Even numbers from text file


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Even numbers from text file
# 22  
Old 01-12-2010
great now it work fine SmilieSmilieSmilieSmilieSmilie
# 23  
Old 01-12-2010
Hello,
yeah.. please nominate the last post . Smilie Smilie Smilie Smilie
Regards,
Gaurav.
# 24  
Old 01-19-2010
Code:
echo shell 6 3 32 programming 2 5 7 9 6 scripting 4 3 1 |
  tr ' ' '\012' |
  grep '[02468]$' |
  tr '\012' ' '
echo

replace the first 'echo' with "cat my_file"...
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

How to add line numbers (multiples of 5: 0,5,10,15,20) to a text file?

Hi, I need to number the lines in my text file. I know how to do this with standard numbering (1,2,3,4, etc) but I need to count in multiples of 5, beginning 0,5,10,15... example existing file: abcd efg hijklm nopqrs desired output 0 abcd 5 efg 10 hijklm 15 ... (11 Replies)
Discussion started by: livbaddeley
11 Replies

2. UNIX for Dummies Questions & Answers

Adding a column to a text file with row numbers

Hi, I would like to add a new column containing the row numbers to a text file. How do I go about doing that? Thanks! Example input: A X B Y C D Output: A X 1 B Y 2 C D 3 (5 Replies)
Discussion started by: evelibertine
5 Replies

3. UNIX for Dummies Questions & Answers

Extracting lines from a text file based on another text file with line numbers

Hi, I am trying to extract lines from a text file given a text file containing line numbers to be extracted from the first file. How do I go about doing this? Thanks! (1 Reply)
Discussion started by: evelibertine
1 Replies

4. Shell Programming and Scripting

How to find numbers in text file?

Hi I have a text file with rows like this: 7 Herman ASI-40 Jungle (L) Blueprint (L) Weapon Herman ASI-40 Jungle (L) 215.00 57 65.21 114.41 and 9 Herman CAP-505 (L) Blueprint (L) Weapon Herman CAP-505 (L) 220.00 46.84 49.1 104.82 and 2 ClericDagger 1C blueprint Melee - Shortblade... (2 Replies)
Discussion started by: pesa
2 Replies

5. UNIX for Dummies Questions & Answers

Print numbers and associated text belonging to an interval of numbers

##### (0 Replies)
Discussion started by: lucasvs
0 Replies

6. Shell Programming and Scripting

Extract numbers from text file work out average

Just wondering if someone could assist me with shell script I'm trying to write. I need to read the final column of a text file (shown below) and workout what the average number is. The text file will have a variable number of lines, I just want the script to pull out the values in the final field... (14 Replies)
Discussion started by: rich@ardz
14 Replies

7. Shell Programming and Scripting

Inserting a range of consecutive numbers into a text file

I have a text file in the following format .... START 1,1 2,1 3,1 .. .. 9,1 10,1 END .... I want to change to the output to .... START 1,1 2,1 3,1 .. (4 Replies)
Discussion started by: VNR
4 Replies

8. Shell Programming and Scripting

how to add line numbers in text file

Hi all How to add line numbers in text file.. ex abcd cdef result 1. abcd 2. cdef thx in advance (4 Replies)
Discussion started by: suryanarayana
4 Replies

9. UNIX for Dummies Questions & Answers

Retrieving random numbers out of a text file

Hi one and all, I'm working on a Bash script that is designed to calculate how much IP traffic has passed through a port to determine traffic volume over a given amount of time. I've currently been able to use the netstat -s command coupled with grep to write to a file the total packets... (13 Replies)
Discussion started by: nistleloy
13 Replies

10. Shell Programming and Scripting

how to print out line numbers of a text file?

i have this text file name test.txt which contain : aaaaa bbb iiiiiiiiiiiii ccf ddaaa ddd and i need a script that can print out the line numbers using a while loop.. so when the script is run..it will have this: 1 2 3 any ideas? :) thanks guys (4 Replies)
Discussion started by: forevercalz
4 Replies
Login or Register to Ask a Question