10 More Discussions You Might Find Interesting
1. UNIX for Beginners Questions & Answers
Hi All,
I need to print the characters in the previous line just before the regular expression match
Please have a look at the input file as attached
I need to match the regular expression ^ with the character of the previous like and also the pin numbers
and the output file should be like... (6 Replies)
Discussion started by: kshitij
6 Replies
2. Shell Programming and Scripting
hello everyone,
im new here, and also programming with awk, sed and grep commands on linux.
In my text i have many lines with this config:
1 1 4 3 1 1 2 5
2 2 1 1 1 3 1 2
1 3 1 1 1 2 2 2
5 2 4 1
3 2 1 1 4 1 2 1
1 1 3 2 1 1 5 4
1 3 1 1... (3 Replies)
Discussion started by: satir
3 Replies
3. Shell Programming and Scripting
I am trying to delete lines in archived Apache httpd logs
Each line has the pattern:
<ip-address> - - <date-time> <document-request-URL> <http-response> <size-of-req'd-doc> <referring-document-URL>
This pattern is shown in the example of 6 lines from the log in the code box below. These 6... (1 Reply)
Discussion started by: Proteomist
1 Replies
4. Shell Programming and Scripting
Hello,
I'm new to this forum. I've been doing a lot of sed work lately and have found many useful tips on this forum. I've hit a roadblock in a project, though, and could really use some help.
I have a text file with many lines like the following, i.e., some lines begin with a single word... (3 Replies)
Discussion started by: paroikoi
3 Replies
5. Shell Programming and Scripting
Hello everyone,
I am working with some train time tables, and i have hit a bit of a road block.
Using grep/sed i have done a reasonable job of parsing the html into comma delimited format, but NJ transit prints The Track number and status on a new line, and I would much prefer it all on a... (6 Replies)
Discussion started by: mussen
6 Replies
6. Shell Programming and Scripting
Hi,
I have a written a shell script to get the previous line based on the pattern.
For example if a file has below lines:
----------------------------------------------
#UNBLOCK_As _per
#As per
205.162.42.92
#BLOCK_As_per
#-----------------------
#input checks
abc.com... (5 Replies)
Discussion started by: Anjan1
5 Replies
7. Shell Programming and Scripting
Hello,
Can anybody help me to correct my sed syntax to find the string and print previous two lines and current line and next one line.
i am using string as "testing"
netstat -v | sed -n -e '/test/{x;2!p;g;$!N;p;D;}' -e h
i am able to get the previous line current line next line but... (1 Reply)
Discussion started by: nmadhuhb
1 Replies
8. Shell Programming and Scripting
I know this has been asked before but I just can't parse the syntax as explained. I have a set of files that has user information spread out over two lines that I wish to merge into one:
User1NameLast User1NameFirst User1Address
E-Mail:User1email
User2NameLast User2NameFirst User2Address... (11 Replies)
Discussion started by: walkerwheeler
11 Replies
9. Shell Programming and Scripting
Hi all,
I have to append every alternate line after its previous line. For example if my file has following contents
line 1: unix is an OS
line 2: it is open source
line 3: it supports shell programming
line 4: we can write shell scripts
Required output should be
line1: unix is an OS it is... (4 Replies)
Discussion started by: rish_max
4 Replies
10. Shell Programming and Scripting
Hi,
how can i print the previous, current and next line using sed?
current line is the matching line.
The following prints all lines containing 'Failure' and also the immediate next line
cat $file | sed -n -e '/Failure/{N;p;}'
Now, i also want to print the previous line too.
Thanks,... (8 Replies)
Discussion started by: ysrinu
8 Replies