delete records from a file Post: 302135514

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Delete Duplicate records from a tilde delimited file

Hi All, I want to delete duplicate records from a tilde delimited file. Criteria is considering the first 2 fields, the combination of which has to be unique, below is a sample of records in the input file 1620000010338~2446694087~0~20061130220000~A00BCC1CT...

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Use records from one file to delete records in another file

file_in_1: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 file_in_2: 9 10 11 12 21 22 23 24 1 2 3 4 17 18 19 20 file_out:

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How can you delete records in a file matching a pattern?

I am curious if the following can be done in a file in unix. Let's say I have a flat file with the following data AAA,12,2,,,, BBB,3,1,,,, CCC,,,,, DDD,2,,,,, SQQ,,,,, ASJ,,3,5 I only want to capture the data with values into a new file. If the data contains the pattern ,,,,, as in...

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How to delete files with no records?

Hi, I have a file whose size is not zero but it has no records and another which has records. I want to delete all the files that have no records in it (even if size > 0). How do I do it? I have tried the below option #!/bin/ksh temp1 = $(wc -l < INVX102C.sf) if ; then echo "Data...

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Grep specific records from a file of records that are separated by an empty line

Hi everyone. I am a newbie to Linux stuff. I have this kind of problem which couldn't solve alone. I have a text file with records separated by empty lines like this: ID: 20 Name: X Age: 19 ID: 21 Name: Z ID: 22 Email: xxx@yahoo.com Name: Y Age: 19 I want to grep records that...

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Need unix commands to delete records from one file if the same record present in another file...

Need unix commands to delete records from one file if the same record present in another file... just like join ... if the record present in both files.. delete from first file or delete the particular record and write the unmatched records to new file.. tried with grep and while...

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Delete records from a big file based on some condition

Hi, To load a big file in a table,I have a make sure that all rows in the file has same number of the columns . So in my file if I am getting any rows which have columns not equal to 6 , I need to delete it . Delimiter is space and columns are optionally enclosed by "". This can be ...

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Delete records within a file upon a condition

Hi Friends, I have the following file, cat input chr1 1000 2000 chr1 600 699 chr1 701 1000 chr1 600 1710 chr2 900 1800 Now, I would like to see the difference of Record1.Col2 - Record2.Col2 Record1.Col2 - Record2.Col3 Record1.Col3 - Record2.Col2 Record1.Col3 - Record2.Col3 ...

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Delete records based on a text file from a text file

Hi Folks, I am a novice and need to build a script in bash. I have 2 text files data.txt file is big file, column 2 is the we need to search and delete in the output. The filter file contains the rows to be deleted. Data.txt state city zone Alabama Huntsville 4 California SanDiego 3...

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Delete the records in file based on lookup file.

Hi I have two files one.txt and two.txt one.txt 123 324 456 235 456 two txt abc one 000 123 abc abc one 000 456 abc abc one 000 122 abc abc one 000 111 abc My question here is, the records which are present in one.txt has to deleted in second file two.txt my output result...

LEARN ABOUT SUNOS

llabs

abs(3C) 						   Standard C Library Functions 						   abs(3C)

NAME

       abs, labs, llabs - return absolute value of integer

SYNOPSIS

       #include <stdlib.h>

       int abs(int val);

       long labs(long lval);

       long long llabs(long long llval);

DESCRIPTION

       The abs() function returns the absolute value of its int operand.

       The labs() function returns the absolute value of its long operand.

       The llabs() function returns the absolute value of its long long operand.

USAGE

       In 2's-complement representation, the absolute value of the largest magnitude negative integral value is undefined.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+
       |MT-Level		     |MT-Safe			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       attributes(5), standards(5)

SunOS 5.10							    24 Jul 2002 							   abs(3C)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Delete Duplicate records from a tilde delimited file

Discussion started by: irshadm

2. UNIX for Dummies Questions & Answers

Use records from one file to delete records in another file

Discussion started by: kenneth.mcbride

3. UNIX for Dummies Questions & Answers

How can you delete records in a file matching a pattern?

Discussion started by: mode09

4. UNIX and Linux Applications

How to delete files with no records?

Discussion started by: sangharsh