sed / awk / grep on files in directory

Posted on 2009-03-28
Last Modified: 2013-12-26

I need some help please. I need a ksh script that will perform some rather basic sed/awk grep commands.

I have a directory full of .txt files. Each file in this directory needs to undergo a treatment.
(learned from earlier EE posting)

1. sed -e 's/~/~\n/g' $file1 > $file1.$$

I'm interested in lines starting with "W12" within these files.  When I grep for that pattern in each .txt file, it produces STANDARDIZED output like this. (Delimiter will always be a '*' and position is fixed.)


2. I'd like to see the filename _AND_ line number where the grep match took place
3. Also need to count the # of times 'CL' and 'CS' appear in that output shown above.
4. Need to put a tab between the 5th and 6th char in the 7 digit integer shown in lines above.
5. Need to e-mail the ultimate output to a list of users

Thank you very much.

Question by:cjb123
  • 2
LVL 45

Expert Comment

ID: 24011666
#matched lines
grep -n ^W12 $file1.$$

CL_count=`grep -n ^W12 $file1.$$ | grep CL | wc -l`
CS_count=`grep -n ^W12 $file1.$$ | grep CS | wc -l`

#4. Need to put a tab between the 5th and 6th char in the 7 digit integer shown in lines above.
grep -n ^W12 $file1.$$ | sed 's/\(.*\*\)\(.....\)\(..\)/\1\2\t\3/'   > final_out.txt

#5. Need to e-mail the ultimate output to a list of users
mutt -a final_out.txt  -s "the output"

Author Comment

ID: 24013020
thanks for quick reply.  Would you please help me get the FILENAME and LINE NUMBER from the grep commands where pattern "W12" isfound?  Thank you.
LVL 45

Accepted Solution

sunnycoder earned 500 total points
ID: 24013147
grep -n ^W12 $file1.$$ | awk -F: ' { print $1 } '

Line Number
grep -n ^W12 $file1.$$ | awk -F: ' { print $2 } '

File name and line number
grep -n ^W12 $file1.$$ |  awk -F: ' { print $1 " " $2 } '


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