pattern searching


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting pattern searching
# 1  
Old 09-19-2012
pattern searching

Hi,


Can you please help me out here? I am trying develop a search pattern to extract certain words from the two strings below.

I want to extract ericsson_msc_live from the 2 strings and then the date, which is a part of the filename just before the .jar extension.

ericsson_msc_live_bln_western1_20120809.jar

ericsson_msc_live_bln_western_20120711.jar

I am able to extract ericsson_msc from string below using awk and '_live' as the delimiter, but then it doesnt give me the full name so I have to append '_live' as a print statement. Using sed I am able to extract only numbers from the strings but then again it doesnt give me the correct output as western1 is also a part of the file name




Looking forward for some advice

Thanks
# 2  
Old 09-19-2012
Quote:
Originally Posted by danish0909
Hi,


Can you please help me out here? I am trying develop a search pattern to extract certain words from the two strings below.

I want to extract ericsson_msc_live from the 2 strings and then the date, which is a part of the filename just before the .jar extension.

ericsson_msc_live_bln_western1_20120809.jar

ericsson_msc_live_bln_western_20120711.jar

I am able to extract ericsson_msc from string below using awk and '_live' as the delimiter, but then it doesnt give me the full name so I have to append '_live' as a print statement. Using sed I am able to extract only numbers from the strings but then again it doesnt give me the correct output as western1 is also a part of the file name




Looking forward for some advice

Thanks
Code:
Provide the details about the output and it's format, when you are giving the file names as input.

# 3  
Old 09-19-2012
Code:
ls -1 *.jar|awk -F "_live" '{print $1"_live"}'

gives me output as ericsson_msc_live

and the below gives me the date (or only numbers in the string)

Code:
ls -1 *.jar|awk -F "_live" '{print $2}'|sed "s/[^0-9]//g"|awk '{print substr($0,1,8)}'

but the problem is, the above command gives me this too 12012072, which is not the date because the string contains 'western1_20120809.jar' also

hope that helps
# 4  
Old 09-19-2012
If all files under the directory in the same format u can try

Code:
 
for filename in *.jar ; do
basename $filename|sed -e 's/_bln_western1//g'
done

# 5  
Old 09-19-2012
Dear Vidya,

thats the problem..all files are not in the same format. i have mentioned it in the previous post:


ericsson_msc_live_bln_western1_20120809.jar

ericsson_msc_live_bln_western_20120711.jar
# 6  
Old 09-19-2012
then you have to try something like

Code:
ls -1 *.jar|awk -F"[_.]" '{print $1"_"$2"_"$3"_"$(NF-1)}'

# 7  
Old 09-19-2012
Hope this is what you are expecting.
Code:
for file in ericsson_msc_live_bln_western1_20120809.jar ericsson_msc_live_bln_western_20120711.jar
do
echo "$file" | sed -n 's/\(ericsson_msc_live\).*\([0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]\).*/\1\2/p'
done

Code:
ericsson_msc_live20120809
ericsson_msc_live20120711


Last edited by Franklin52; 09-19-2012 at 10:49 AM.. Reason: fixed code tags
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Searching for a pattern and extracting records related to that pattern

Hi there, Looking forward to your advice for the below: I have a file which contains 2 paragraphs related to a particular pattern. I have to search for those paragraphs from a log file and then print a particular line from those paragraphs. Sample: I have one file with the fixed... (3 Replies)
Discussion started by: danish0909
3 Replies

2. UNIX for Dummies Questions & Answers

searching pattern in VI

in my file i have somthing likre kpk_12 kpk_1 kpk_1.tcl kpk_3.tcl kpk kpk kpk i want search only kpk i am using this cmd /kpk ...results it is showing all . any cmd is ther other then this to search exactword in this example kpk it shoulsnot show kpk_* etc Thanks in Advance ... (2 Replies)
Discussion started by: prakumar
2 Replies

3. UNIX for Dummies Questions & Answers

Pattern searching

Hi, I need small help from you people. In a directory there are around 150 odd files and few them contain the word "TRACK" and few are not. How can I find out the the list of those files which doesn't contain the word "TRACK"? Thanks, Siba (4 Replies)
Discussion started by: siba.s.nayak
4 Replies

4. Shell Programming and Scripting

Searching for a pattern

How do I search for a pattern - N/A in a particular column using awk? (11 Replies)
Discussion started by: rabiu
11 Replies

5. 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

6. Shell Programming and Scripting

searching for a pattern

can anybode tell me ? I want to search for a pattern present in a whole directory and subdirectories's files containg " crat" I tried grep -r "crat" */* ; is it right ? (3 Replies)
Discussion started by: pranabrana
3 Replies

7. Shell Programming and Scripting

Pattern searching pattern in c files

I have a problem in searching a specific pattern in c files. My requirement: I have to find all the division operator in all cfiles. The problem is, the multi line comments and single line comments will also have forward slash in it. Even after avoiding these comments also, if both... (6 Replies)
Discussion started by: murthybptl
6 Replies

8. Shell Programming and Scripting

Regarding Searching Pattern

Hi Guys, Can you help with the shell script: I would like to search a fixed width pattern from a file say for each line from a fixed position and lenght it has to return all rows from the file. Example: To search the third column for "def" it has to return 1 and 4th rows only ... (2 Replies)
Discussion started by: sbasetty
2 Replies

9. Filesystems, Disks and Memory

Searching for a pattern in a Directory

How to search a given pattern in the files which are present in my current working directory and its subdirectories recursively (1 Reply)
Discussion started by: gandhevinod
1 Replies

10. Programming

pattern searching using C

i think grep can only find char in files matching a pattern without any wildcards like ? correct? It works with * but not ?. how can i write a small c program to find words in a file, like a list, that matches a pattern like ma?y, b??con, etc if grep doesn't understand ? in a pattern search. if... (1 Reply)
Discussion started by: giannicello
1 Replies
Login or Register to Ask a Question