1. UNIX for Dummies Questions & Answers

I have a comma-separated record and I'd like to use sed to pull the Nth record from it. It seems like it'd need to be something like this: sed -n 's/'"\,$1\,"'/&/p' Am I close? (3 Replies)

2. UNIX for Dummies Questions & Answers

does anyone have an awk one-liner to: print the first line, the second line, then every Nth line, and the last line of a file. Thanks, Kenny. (5 Replies)

3. Shell Programming and Scripting

Hi, I have a input file with the following entries: 1one 2two 3three 1four 2five 3six 1seven 1eight 1nine 2ten The output should be 1one 2two 3three 1four 2five 3six (2 Replies)

4. Shell Programming and Scripting

Hi, I have a input file with the following entries: 1one 2two 3three 1four 2five 3six 1seven 1eight 1nine 2ten 2eleven 2twelve 1thirteen 2fourteen The output should be: (5 Replies)

5. Shell Programming and Scripting

Hi, For my reuirement, I have to read a file from the 2nd line till the last line<EOF>. Say, I have a file as test.txt, which as a header record in the first line followed by records in rest of the lines. for i in `cat test.txt` { echo $i } While doing the above loop, I have read... (5 Replies)

6. UNIX for Dummies Questions & Answers

can you please tell me (1) how to delete 1st and 3rd line only from a file. (2) How to delete last 4 lines in a file that has 2 blank lines out of last 4 lines. Thank you. (2 Replies)

7. Shell Programming and Scripting

Is there an awk script that can easily perform the following operation? I have a data file that is in the format of 1944-12,5.6 1945-01,9.8 1945-02,6.7 1945-03,9.3 1945-04,5.9 1945-05,0.7 1945-06,0.0 1945-07,0.0 1945-08,0.0 1945-09,0.0 1945-10,0.2 1945-11,10.5 1945-12,22.3... (3 Replies)

8. UNIX for Dummies Questions & Answers

Hi all, Greetings. I am facing some troubles and hope that the professionals here could help me. I am handling a large dataset, and part of it is like below: 1 ab139 0 752566 G A 1 ab151 0 846808 T C 1 ab142 0 854250 G A 1 ab061 0 861808 A G 1 ab043 0 873558 T G... (4 Replies)

9. UNIX for Beginners Questions & Answers

Hi All, I am using UNix Sun OS sun4u sparc SUNW,SPARC-Enterprise My intention is to insert a line of text after 13th line of every file inside a particular directory. While trying to do it for a single file , i am using sed sed '3 i this is the 4th line' filename sed: command garbled: 3... (5 Replies)

10. Shell Programming and Scripting

My file (the output of an experiment) starts off looking like this, _____________________________________________________________ Subjects incorporated to date: 001 Data file started on machine PKSHS260-05CP ********************************************************************** Subject 1,... (9 Replies)