1. Shell Programming and Scripting

Hi Friends I have the following input data in 2 columns. SNo 1 I1 Value I2 Value I3 Value SNo 2 I4 Value I5 Value I6 Value I7 Value SNo 3 I8 Value I9 Value ............... ................ SNo N (1 Reply)

2. UNIX for Dummies Questions & Answers

How can you delete a row if a certain column is bigger than a certain number? I have the following input: 20080709 20081222 95750 1 0 0.02 94.88 20080709 20081222 95750 2 0 0.89 94.88 20080709 20081222 9575 1 0 0 94.88 20080709 20081222 9575 2 0 0 94.88 20080709 20081222 9587.5 1 0 0... (1 Reply)

3. UNIX for Dummies Questions & Answers

How can you delete a row if a certain column is bigger than a certain number? I have the following input: 20080709 20081222 95750 1 0 0.02 94.88 20080709 20081222 95750 2 0 0.89 94.88 20080709 20081222 9575 1 0 0 94.88 20080709 20081222 9575 2 0 0 94.88 20080709 20081222 9587.5 1 0 0... (6 Replies)

4. UNIX for Dummies Questions & Answers

Hii i have a file with data as shown below. Here i need to remove duplicates of the rows in such a way that it just checks for 2,3,4,5 column for duplicates.When deleting duplicates,retain largest row i.e with many columns with values should be selected.Then it must remove duplicates such that by... (11 Replies)

5. Shell Programming and Scripting

Hi, I want to print column value based on row number say multiple of 8. Input file: line 1 67 34 line 2 45 57 . . . . . . line 8 12 46 . . . . . . line 16 24 90 . . . . . . line 24 49 67 Output 46 90 67 (2 Replies)

6. Shell Programming and Scripting

I am a newbie to shell scripting .. I have a .csv file. It has 1000 some rows and about 7 columns... but before I insert this data to a table I have to parse it and clean it ..basing on the value of the first column..which a string of phone number type... example below.. column 1 ... (2 Replies)

7. Shell Programming and Scripting

Hello, I have a very large file for which I would like to remove all rows for which the value of columns 2-5 is zero. For instance I would like this file: contig1, 0, 0, 0, 0 contig2, 1, 3, 5, 0 contig3, 0, 0, 0, 0 contig4, 0, 5, 6, 7 To become this file: contig2, 1, 3, 5,0 ... (17 Replies)

8. Shell Programming and Scripting

Hi I have a difficulty in writing shell script for performing the tasks. A B C D 12 230 16 259 18 260 23 283 21 291 36 298 41 309 49 420 52 425 57 450 61 456 70 473 72 475 79 486 If the A(row no.2) < C(row no.1) then delete value A(row no.1) and so on... For... (8 Replies)

9. Shell Programming and Scripting

Hello Team, Need your expertise on following: Here is the set of data: C1|4|C1SP1|A1|C1BP1|T1 C1|4|C1SP2|A1|C1BP2|T2 C2|3|C2SP1|A2|C2BP1|T2 C3|3|C3SP1|A3|C3BP1|T2 C2|2|C2SP2|A2|C2BP2|T1 I need to filter above date base on following two steps: 1. Group them by column 1 and 4 2.... (12 Replies)

10. UNIX for Beginners Questions & Answers

Dear UNIX experts, I'm a command line novice working on a Macintosh computer (Bash shell) and have neither found advice that is pertinent to my problem on the internet nor in this forum. I have hundreds of .csv files in a directory. Now I would like to copy the subset of files that contains... (8 Replies)