Add comment on last line if found match


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Add comment on last line if found match
Prev   Next
# 11  
Old 12-14-2017
Now this is extremely tricky to answer as it has many aspects to cover.

Quote:
Originally Posted by kttan
sorry for poor english , i'm din't mean that your code is complex and i'm dont want to understand, it very great explanation for your code.
You definitely don't need to be perfect nor fluent in English as this is an international site and erveryone in here is aware of possible language barriers and thus deploys maximum tolerance. Still you should target for best depiction of your problem in terms of precision and details.

Quote:
the question i'm asking is difference question regrading the question i'm asking previously, but i'm don't want open another topic , scare it become spam topic.
Don't be afraid. Moderators in here do their best to tell SPAM from meaningful contributions. You also can contact moderators in a dedicated forum if you feel there could be a misjudgement.

Quote:
.
.
.
so i'm asking is that any method for 2 awk share same variable, instate of create new file as a variable.
You can't share across awk invocations. You'll have to take the detour via files (or named pipes) or shell variables.
Quote:
below is a part from my script.
i have 2 type of condition.
1. if temp.rpt is empty then it will empty the content for board_temp (by using print "" >board_temp, so with this step will making the next awk "look like skip" , and go to 3rd awk.
2. if temp.rpt have content then proceed with next awk.
.
.
.
Methinks you're missing the initial part - where temp.rptis being written - or not. Without digging deeper into your code, why not use one single awk script, mayhap supplying e.g. shell variable having a boolean value indicating that file being empty or not, like e.g.
Code:
[ -s temp.rpt ] && FS=1 || FS=0
awk -vSIZE=$FS ' . . . '

or, check within awk with a system function call...
 
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

Modify text file if found multiple pattern match for every line.

Looking for help, i have input file like below and want to modify to expected output, if can without create additional file, hope can direct modify it. have 2 thing need do. 1st is adding a word (testplan generation off) after ! ! IPG: Tue Aug 07 14:31:17 2018 2nd is adding... (16 Replies)
Discussion started by: kttan
16 Replies

2. Shell Programming and Scripting

How to print the entire line if the mentioned match is found?

Hello Everyone, I have a file with 5 fields in each line just like mentioned below. Also the 4th field is time elapsed(hh:mm:ss) since the process is running xyz abc status 23:00:00 idle abc def status 24:00:00 idle def gji status 27:00:02 idle fgh gty status 00:00:00 idle Here I... (8 Replies)
Discussion started by: rahul2662
8 Replies

3. Shell Programming and Scripting

Displaying text till pattern match found in a line

Hi All, From the below line if we want to display all the text till found pattern dot/. I was trying with the below code but couldn't able to print text before the pattern. it display texts which is found after pattern. awk '/assed/{print;getline;print}' file_name | sed 's/^*. *//' input... (4 Replies)
Discussion started by: Optimus81
4 Replies

4. UNIX for Dummies Questions & Answers

Display n lines after match found and other line

I have a file like this DoctorName Address1 Address2 DOB InsuredName Address1 Address2 DOB PatientName Address1 Address2 DOB ClaimNo1 DoctorName Address1 Address2 DOB InsuredName (2 Replies)
Discussion started by: nsuresh316
2 Replies

5. UNIX for Dummies Questions & Answers

awk display the match and 2 lines after the match is found.

Hello, can someone help me how to find a word and 2 lines after it and then send the output to another file. For example, here is myfile1.txt. I want to search for "Error" and 2 lines below it and send it to myfile2.txt I tried with grep -A but it's not supported on my system. I tried with awk,... (4 Replies)
Discussion started by: eurouno
4 Replies

6. Shell Programming and Scripting

add line and remove comment in some script

Hi, i need some help. i am not sure about my idea. I have a script directory under my home directory,which has a lot of scripts in it. These are some names of the scripts in /axxhome/prdv/script aly300.sh axt300.sh arv300.sh clp300.sh ctth300.sh aly400.sh axt400.sh arv400.sh... (6 Replies)
Discussion started by: debu000
6 Replies

7. Shell Programming and Scripting

help with script to send email and if subject line match is found

Help with script that will check log, then find a match is found, add that as the subject line. 1. The script will always run as a deamon.. and scan the event.log file 2. when a new 101 line is added to the event.log file, have the script check position 5,6 and 7 which is the job name, which... (2 Replies)
Discussion started by: axdelg
2 Replies

8. Shell Programming and Scripting

Need one-liner to look for a line and add it if not found

I need a good one-liner to look in a specific text file for a line of text and if it's not found, add it at the bottom of the file. Perl, sed, not particular, whatever works. To make matters worse, the line of text is in a config script with lots of special characters and needs lots of... (3 Replies)
Discussion started by: brendaT
3 Replies

9. Shell Programming and Scripting

if match found go to a particular line in perl

Hello Experts, I am newbie to perl, just curious to know how to do the following in perl. suppose I ve a txt file like below. when it founds "*Main Start" Then go to "*Main End,,,,,,,," patteren and just collect the number from the previous line of "*Main End,,,,,,," pattern . In my... (17 Replies)
Discussion started by: user_prady
17 Replies

10. Shell Programming and Scripting

Need to add a comment line in a text file

Hi I need to add a comment line at the begining of a text file. The scenario is given below. 1. The number of servers that needs to be updated is around 80 2. The location of the text file in all the servers are the same including the file name. 3. The comment has to be added at the very... (2 Replies)
Discussion started by: orakhan
2 Replies
Login or Register to Ask a Question