Sponsored Content
Top Forums Shell Programming and Scripting awk - writing matching pattern to a new file and deleting it from the current file Post 302738499 by goddevil on Saturday 1st of December 2012 03:57:09 PM
Old 12-01-2012
Quote:
Originally Posted by Scrutinizer
Hi, try:
Code:
awk -F, '$1=="" || $3=="" || $8=="" {print>f; next}1' f=test_exc file.out > filenew.out

Cheers.. It worked a charm
 

10 More Discussions You Might Find Interesting

1. UNIX for Dummies Questions & Answers

Checking for a file in file pattern before deleting it

Hi, I need a script where I have delete all the files of type abc*.* from the directory /lmn/opq (passed as parameter to script) But I need to check if there is file of type abc*.* existing in the directory or not before I use the rm abc*.* command. Thanks (1 Reply)
Discussion started by: dsrookie
1 Replies

2. Shell Programming and Scripting

deleting a pattern from a file

say i have a file with the following contents 0x20 0x20 0xc23886 > 0xc12354 > 0xc567555555 i want to delete "> " pattern and keep the rest of the file (6 Replies)
Discussion started by: lassimanji
6 Replies

3. Shell Programming and Scripting

Searching a pattern in file and deleting th ewhole line containing the pattern

Hi All, Please can someone assist in the script I have made that searches a pattern in a file and delete the whole line containing the pattern. #!bin/sh # The pattern that user want to add to the files echo "Enter the pattern of the redirect" read value # check if the user has... (1 Reply)
Discussion started by: Shazin
1 Replies

4. Shell Programming and Scripting

pattern matching over multiple lines and deleting the first

I've got a longish log file with content such as Uplink traffic: Downlink traffic: I want to parse the log file and remove any line that contains the string "Uplink traffic:" at the beginning of the line, but only if the line following it beginnings with the string "Downlink traffic:" (in... (7 Replies)
Discussion started by: Yorkie99
7 Replies

5. Shell Programming and Scripting

Deleting lines from a stream after matching a pattern

Hi, I have a requirement to to an ldapsearch and remove the shadow attributes in the output file. What I do is ldapsearch() | operation to remove shadow > FILE The ldapsearch gives output like this(with same line formation): objectClass: FSConfig objectClass: extensibleObject fsCAIP:... (10 Replies)
Discussion started by: lorzinian
10 Replies

6. Shell Programming and Scripting

Read from one file-Replace a pattern in another with the current one

Hi Friends, I have a text file like this cat main.txt I like this website cat website > new_website grep website > hello_website cat replace.txt hello unix apple Now, for each line read in 2.txt, I want the pattern "website" in 1.txt to be replaced with it. Basically, I... (9 Replies)
Discussion started by: jacobs.smith
9 Replies

7. UNIX for Dummies Questions & Answers

How to append portion of a file content to another file when a certain pattern is matching?

Hi ladies and gentleman.. I have two text file with me. I need to replace one of the file content to another file if one both files have a matching pattern. Example: text1.txt: ABCD 1234567,HELLO_WORLDA,HELLO_WORLDB DCBA 3456789,HELLO_WORLDE,HELLO_WORLDF text2.txt: XXXX,ABCD... (25 Replies)
Discussion started by: bananamen
25 Replies

8. Shell Programming and Scripting

Awk: Matching Pattern From other file with length

Hi, I have input file whose first column needs(match.txt) to be matched with the first column of the input file with min & max length as defined in match.txt. But conditions are not matching. Please help on the changes in the code below as for multiple enteries in match.txt complete match.txt will... (3 Replies)
Discussion started by: siramitsharma
3 Replies

9. Shell Programming and Scripting

Deleting lines on matching certain pattern

hi I have a large xml file from which i have taken few lines . In this file I have to find for the string </invoices> and check if the 3 rd line after this string does not begin with <portCode> ,then i have to delete the string </invoices> and the next line having the string </shippingBill>... (13 Replies)
Discussion started by: sunnyboy
13 Replies

10. Shell Programming and Scripting

Big pattern file matching within another pattern file in awk or shell

Hi I need to do a patten match between files . I am new to shell scripting and have come up with this so far. It take 50 seconds to process files of 2mb size . I need to tune this code as file size will be around 50mb and need to save time. Main issue is that I need to search the pattern from... (2 Replies)
Discussion started by: nitin_daharwal
2 Replies
gmatch(3GEN)					     String Pattern-Matching Library Functions					      gmatch(3GEN)

NAME
gmatch - shell global pattern matching SYNOPSIS
cc [ flag ... ] file ... -lgen [ library ... ] #include <libgen.h> int gmatch(const char *str, const char *pattern); DESCRIPTION
gmatch() checks whether the null-terminated string str matches the null-terminated pattern string pattern. See the sh(1), section File Name Generation, for a discussion of pattern matching. A backslash () is used as an escape character in pattern strings. RETURN VALUES
gmatch() returns non-zero if the pattern matches the string, zero if the pattern does not. EXAMPLES
Example 1 Examples of gmatch() function. In the following example, gmatch() returns non-zero (true) for all strings with "a" or "-" as their last character. char *s; gmatch (s, "*[a-]" ) ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
sh(1), attributes(5) NOTES
When compiling multithreaded applications, the _REENTRANT flag must be defined on the compile line. This flag should only be used in mul- tithreaded applications. SunOS 5.11 29 Dec 1996 gmatch(3GEN)
All times are GMT -4. The time now is 08:18 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy