Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

Replace all but skip first instance in a line

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Replace all but skip first instance in a line
# 8  
Old 06-21-2011
A sed alternative:
Code:
sed 's/~/\
/; s/~//g; s/\n/~/'

Since we are guaranteed that initially there will not be any newlines in sed's pattern space, we can substitute the first occurrence of ~ with a newline. Then we can delete any remaining ~ before restoring the newline back to a ~.

Regards,
Alister
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Skip to next line if the variable is string

Hi I have the follwoing requirement I have a file as follows: # cat priy yyy.poweroff_cmd = /sbin/poweroff hhh.powersave-nap = 1 When this file is provided as input, I first used "awk" command and saved variables present after "=" replace=$line replace1=`echo $line | awk -F "="... (3 Replies)
Discussion started by: Priya Amaresh
3 Replies

2. Shell Programming and Scripting

Replace every second instance of delimeter

Hi, Need help on replacing every second instance of delimeter. Scenario: var="Name1,Value1,Name2,Value2,Name3,Value3,Name4,Value" I want every second "," to replace with "|" I tried like below echo $var| sed 's/,/|/2' But, it's not working. Expected output: ... (4 Replies)
Discussion started by: Sumanthsv
4 Replies

3. Shell Programming and Scripting

Skip first and last line

Hi All I have a sample file like below: 012312112 1372422843 1236712 1372422843 1275127 3109301010 from which I wan't to: 1.)delete... (10 Replies)
Discussion started by: swasid
10 Replies

4. Shell Programming and Scripting

sed command to skip the first line during find and replace operation

Hi Gurus, I did an exhaustive search for finding the script using "sed" to exclude the first line of file during find and replace. The first line in my file is the header names. Thanks for your help.. (4 Replies)
Discussion started by: ks_reddy
4 Replies

5. Shell Programming and Scripting

Script to replace last instance of . between two consecutive = sign by ,

Suppose you have a line like this: cn=user.blr.ou=blr.india.o=company The line should be converted like this: cn=user.blr,ou=blr.india,o=comapny Was wondering how to do that using shell script. Please use tags where appropriate, thank you (4 Replies)
Discussion started by: saurabhkoar
4 Replies

6. Shell Programming and Scripting

replace but skip data between certain commas

OK, I am one needy dude. However, how can I make the program NOT change any of the values BETWEEN the first and second "," ? I dont want any of the numbers changed that are preceded by "AT". I want ALL other numeric values > 300 changed to 300. cat qin.csv |head... (4 Replies)
Discussion started by: herot
4 Replies

7. Shell Programming and Scripting

replace nth instance of string

Hi all, I have file with following content ........................... ..........TEST.......... ..........TEST.......... ..................... .....TEST.......... ..................... ..................... .....TEST.......... I want to replace nth "TEST" with "OK" using... (4 Replies)
Discussion started by: uttamhoode
4 Replies

8. Shell Programming and Scripting

sed replace 2nd instance

Hello, I want to replace 2nd instance of "foo" in a file use sed. Any suggestions? (2 Replies)
Discussion started by: katrvu
2 Replies

9. Shell Programming and Scripting

replace first instance(not first instance in line)

Alright, I think I know what I am doing with sed(which probably means I don't). But I cant figure out how to replace just the first occurance of a string. I have tried sed, ed, and grep but can't seem to figure it out. If you have any suggestions I am open to anything! (3 Replies)
Discussion started by: IronHorse7
3 Replies

10. Shell Programming and Scripting

Skip new line

Hi, how can I skip the new line of echo? In SH!!!! echo "the date is :" date and result I want is the date is : Tue Oct 11 22:24:37 WEST 2005 I've already tried including the \c inside the echo, but it didn't work. Thanks! (2 Replies)
Discussion started by: pmpx
2 Replies
Login or Register to Ask a Question

LEARN ABOUT OPENSOLARIS

net_instance_register

net_instance_register(9F)				   Kernel Functions for Drivers 				 net_instance_register(9F)

NAME

       net_instance_register - register a set of instances to occur with IP instance events

SYNOPSIS

       #include <sys/neti.h>

       int net_instance_register(net_instance_t *instances);

INTERFACE LEVEL

       Solaris DDI specific (Solaris DDI).

PARAMETERS

       instances    must be a pointer returned by net_instance_alloc(9F).

DESCRIPTION

       The  net_instance_register()  function  attempts  to  record  the  set of functions passed by instances that are to be called when an event
       related to IP instance maintenance occurs.

RETURN VALUES

       If the net_instance_register() function succeeds, DDI_SUCCESS is returned. Otherwise, DDI_FAILURE is returned to indicate  failure  due	to
       the name in the instance already being present.

CONTEXT

       The net_instance_register() function may be called from user or kernel context.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Committed 		   |
       +-----------------------------+-----------------------------+

SEE ALSO

       net_instance_alloc(9F), net_instance_unregister(9F), attributes(5), net_instance_t(9S)

SunOS 5.11							    1 May 2008						 net_instance_register(9F)