1. UNIX for Dummies Questions & Answers

Hi Guru's, I need to create 3 files with the contents "ABC" using single command. Iam using: echo "ABC" > file1.txt file2.txt file3.txt the above command is not working. pls help me... With Regards / Ganapati (4 Replies)

2. Shell Programming and Scripting

In other news, I have a colors text file with hundreds of lines, and I want to print only the even numbered lines. for example I have this file looks something like this: ALLCOLORS.TXT red red green red blue red red red green red red blue green green green blue blue blue red blue blue blue... (1 Reply)

3. Shell Programming and Scripting

How would I write a command(s) to read from a file (list) that looks like this: 29847374384 and grep from a second file (list) that looks like this: 29847374384, jkdfkjdf,3833,ddd:confused: (1 Reply)

4. Shell Programming and Scripting

Hi, I have to programming a program in shell script which combine a lot of .txt files. But in all of these files the program had to delete the first both lines. Because I don't know anything about shell script I need your help. Does anyone have a command or a hint, where I can look for? ... (1 Reply)

5. Homework & Coursework Questions

Hi, I have to programming a program in shell script which combine a lot of .txt files. But in all of these files the program had to delete the first both lines. Because I don't know anything about shell script I need your help. Does anyone have a command or a hint, where I can look for? ... (1 Reply)

6. Shell Programming and Scripting

Hi everyone, I have two files (A and B) and want to combine them to one by always taking 10 rows from file A and subsequently 6 lines from file B. This process shall be repeated 40 times (file A = 400 lines; file B = 240 lines). Does anybody have an idea how to do that using perl, awk or sed?... (6 Replies)

7. UNIX for Dummies Questions & Answers

I have a diff command that does what I want but when comparing large text/log files, it uses up all the memory I have (sometimes over 8gig of memory) diff file1.txt file2.txt | grep '^<'| awk '{$1="";print $0}' | sed 's/^ *//' Is there a better more efficient way to find the lines in one file... (5 Replies)

8. Shell Programming and Scripting

Hi, I`m a total newbie, well my requirement is that i have 2 files I want to identify which countries i do not currently have in db.. how can i use the grep or another command to find this file .. i want to match all-countries.txt with countries-in-db.txt so the output is equal to... (11 Replies)

9. Shell Programming and Scripting

Hi I have a file with contents: NAMES John carrey williams How can I get all the names and store them in seperate variables(or arrays) please keep in mind that the no. of such names is not known.Three here is a bogus value ~thanks (4 Replies)

10. Shell Programming and Scripting

Hi dears i have text file like this: INPUT.txt 001_1_173 j nuh ]az 001_1_174 j ]esma. nuh ]/.xori . . . and have another text like this TABLE.txt j j nuh word1... (6 Replies)