|
|
Sponsored Content
Top Forums
Shell Programming and Scripting
how to extract columns from a text file
Post 302192026 by inquirer on Monday 5th of May 2008 11:33:37 PM
05-06-2008
|
|
10 More Discussions You Might Find Interesting
1. Shell Programming and Scripting
Hello!!
I have the text file with following format...
--SubTotal-----------------------------------0--161---------------44---13739369-67---
--SubTotal-----------------------------------0--147---------------0----49643---1----... (2 Replies)
Discussion started by: Danish Shakil
2 Replies
2. Shell Programming and Scripting
I have huge fixed width, text file in unix box and I need to extract columns found between the width 105 and 200 and output it to a new file.
Can anyone tell me how to extract it?
Thanks for your help. (1 Reply)
Discussion started by: kiran2k
1 Replies
3. Shell Programming and Scripting
Hi All,
Could you please help me with following:
I have to parse a .csv file.
For example: If the csv file contains 3 columns, then i have to print the column names. The field separator is (comma).
example.csv (contains 2 lines as follows)
This is,a test file, for validation... (2 Replies)
Discussion started by: vfrg
2 Replies
4. UNIX for Dummies Questions & Answers
Hello Gurus,
I have a text file containing nearly 12,000 tab delimited characters with 4000 rows. If the file size is small, excel can convert the text into coloumns. However, the file that I have is very big. Can some body help me in solving this problem?
The input file example,
... (6 Replies)
Discussion started by: Unilearn
6 Replies
5. UNIX for Dummies Questions & Answers
I have a text file that has three columns. But at the end of the text file, there are trailing lines that have missing second and third columns:
4 0.04972604 KLHL28
4 0.0497332 CSTB
4 0.04979822 AIF1
4 0.04983331 DECR2
4 0.04990344 KATNB1
4
4
4
4
How can I remove the trailing... (3 Replies)
Discussion started by: evelibertine
3 Replies
6. Shell Programming and Scripting
hello,
i have publicly available txt file with little less than 300000 rows. i want to extract from column 1 to column 218 and save it in another text file. i use the cut command but the file is saved with multiple rows from the source file onto a single row in the destination. basically it is... (6 Replies)
Discussion started by: madrazzii
6 Replies
7. Shell Programming and Scripting
Hello,
I want to concatenate 2-columns by 2-columns separated by colon. How can I do so? For example, I have a text file containing 6 columns separated by tab. I want to concatenate column 1 and 2; column 3 and 4; column 5 and 6, respectively, and put a colon in between.
input file:
1 0 0 1... (10 Replies)
Discussion started by: huiyee1
10 Replies
8. UNIX for Dummies Questions & Answers
Dear all,
I want to extract around 300 columns from a very large file with almost 2million columns. There are no headers, but I can find out which column numbers I want. I know I can extract with the function 'cut -f2' for example just the second column but how do I do this for such a large... (1 Reply)
Discussion started by: fndijk
1 Replies
9. Shell Programming and Scripting
I have a comma delimited file as per the one below and I am currently extracting the values in 2 columns (COL1 & COL6) to produce a smaller trimmed down version of the file which only contains the columns we need;
COL1,COL2,COL3,COL4,COL5,COL6,COL7,COL8,COL9... (1 Reply)
Discussion started by: Ads89
1 Replies
10. Shell Programming and Scripting
Kindly help merging information from two files with the following data structure.
I want to match for the CHR-SNP in Foo and get the columns that match from CHROM-rsID
Fields 1 & 2 of foo may have duplicates, however, a joint key of Fields $1$2$3$4 is unique.
Also would be helpful to clean up... (4 Replies)
Discussion started by: genehunter
4 Replies
LEARN ABOUT SUSE
scsi_free_consistent_buf
scsi_free_consistent_buf(9F) Kernel Functions for Drivers scsi_free_consistent_buf(9F) NAME
scsi_free_consistent_buf - free a previously allocated SCSI DMA I/O buffer SYNOPSIS
#include <sys/scsi/scsi.h> void scsi_free_consistent_buf(struct buf *bp); INTERFACE LEVEL
Solaris DDI specific (Solaris DDI). PARAMETERS
bp Pointer to the buf(9S) structure. DESCRIPTION
scsi_free_consistent_buf() frees a buffer header and consistent data buffer that was previously allocated using scsi_alloc_consis- tent_buf(9F). CONTEXT
scsi_free_consistent_buf() may be called from either the user or the interrupt levels. SEE ALSO
freerbuf(9F), scsi_alloc_consistent_buf(9F), buf(9S) Writing Device Drivers WARNING
scsi_free_consistent_buf() will call freerbuf(9F) to free the buf(9S) that was allocated before or during the call to scsi_alloc_consistent_buf(9F). If consistent memory is bound to a scsi_pkt(9S), the pkt should be destroyed before freeing the consistent memory. SunOS 5.10 20 Jul 1998 scsi_free_consistent_buf(9F)