Sponsored Content
Top Forums Shell Programming and Scripting how to start looping from the second line in .csv file Post 302266987 by schandrakar1 on Thursday 11th of December 2008 12:11:30 PM
Old 12-11-2008
May be we can think of writing the logic in awk/nawk...

awk '$0 != "Filename" { print $1,$2,$3,$4 }' filenames.csv

please modify the above logic or syntaxes as per your exact requirement.
 

9 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Looping through each line of text file

Dear all, I have a text file like below. eg.txt abcd efgh ijkl mnop I need a script, which should read the text file eg.txt and assign each line as a parameter. This , i wil use further to pass it a java command to invoke. All inside a for loop Need your help on this. With... (2 Replies)
Discussion started by: KrishnaSaran
2 Replies

2. Shell Programming and Scripting

Read csv file line by line

Folks , i want to read a csv file line by line till the end of file and filter the text in the line and append everything into a variable. csv file format is :- trousers:shirts,price,50 jeans:tshirts,rate,60 pants:blazer,costprice,40 etc i want to read the first line and get... (6 Replies)
Discussion started by: venu
6 Replies

3. Shell Programming and Scripting

How to start reading from the nth line till the last line of a file.

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)
Discussion started by: machomaddy
5 Replies

4. Shell Programming and Scripting

Put a # in start of a specific line of a file

Hello Guys Please let me know how to solve the below issue I have a file like below drop table R1416.ABC1 cascade constraints; drop table R1416.ABC2 cascade constraints; drop table R1416.ABC3 cascade constraints; drop table R1416.ABC4 cascade constraints; drop table R1416.ABC5... (7 Replies)
Discussion started by: Pratik4891
7 Replies

5. Shell Programming and Scripting

FILE_ID extraction from file name and save it in CSV file after looping through each folders

FILE_ID extraction from file name and save it in CSV file after looping through each folders My files are located in UNIX Server, i want to extract file_id and file_name from each file .and save it in a CSV file. How do I do that? I have folders in unix environment, directory structure is... (15 Replies)
Discussion started by: princetd001
15 Replies

6. Shell Programming and Scripting

Reading line by line from live log file using while loop and considering only those lines start from

Hi, I want to read a live log file line by line and considering those line which start from time stamp; Below code I am using, which read line but throws an exception when comparing line that does not contain error code tail -F /logs/COMMON-ERROR.log | while read myline; do... (2 Replies)
Discussion started by: ketanraut
2 Replies

7. Shell Programming and Scripting

Honey, I broke awk! (duplicate line removal in 30M line 3.7GB csv file)

I have a script that builds a database ~30 million lines, ~3.7 GB .cvs file. After multiple optimzations It takes about 62 min to bring in and parse all the files and used to take 10 min to remove duplicates until I was requested to add another column. I am using the highly optimized awk code: awk... (34 Replies)
Discussion started by: Michael Stora
34 Replies

8. Shell Programming and Scripting

How to extract start/end times from log file to CSV file?

Hi, I have a log file (log.txt) that which contains lines of date/time. I need to create a script to extract a CSV file (out.csv) that gets all the sequential times (with only 1 minute difference) together by stating the start time and end time of this period. Sample log file (log.txt) ... (7 Replies)
Discussion started by: Mr.Zizo
7 Replies

9. Shell Programming and Scripting

Printing string from last field of the nth line of file to start (or end) of each line (awk I think)

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)
Discussion started by: samonl
9 Replies
ucblinks(1B)					     SunOS/BSD Compatibility Package Commands					      ucblinks(1B)

NAME
ucblinks - adds /dev entries to give SunOS 4.x compatible names to SunOS 5.x devices SYNOPSIS
/usr/ucb/ucblinks [-e rulebase] [-r rootdir] DESCRIPTION
ucblinks creates symbolic links under the /dev directory for devices whose SunOS 5.x names differ from their SunOS 4.x names. Where possi- ble, these symbolic links point to the device's SunOS 5.x name rather than to the actual /devices entry. ucblinks does not remove unneeded compatibility links; these must be removed by hand. ucblinks should be called each time the system is reconfiguration-booted, after any new SunOS 5.x links that are needed have been created, since the reconfiguration may have resulted in more compatibility names being needed. In releases prior to SunOS 5.4, ucblinks used a nawk rule-base to construct the SunOS 4.x compatible names. ucblinks no longer uses nawk for the default operation, although nawk rule-bases can still be specifed with the -e option. The nawk rule-base equivalent to the SunOS 5.4 default operation can be found in /usr/ucblib/ucblinks.awk. OPTIONS
-e rulebase Specify rulebase as the file containing nawk(1) pattern-action statements. -r rootdir Specify rootdir as the directory under which dev and devices will be found, rather than the standard root directory /. FILES
/usr/ucblib/ucblinks.awk sample rule-base for compatibility links ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWscpu | +-----------------------------+-----------------------------+ SEE ALSO
devlinks(1M), disks(1M), ports(1M), tapes(1M), attributes(5) SunOS 5.10 13 Apr 1994 ucblinks(1B)
All times are GMT -4. The time now is 11:06 PM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy