Visit Our UNIX and Linux User Community


Loop through between 2 found lines


 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting Loop through between 2 found lines
# 1  
Old 07-27-2009
Loop through between 2 found lines

Hi frnd , hv nice week ahead,

in shell script i found 2 words as below

1 ) targ_found=`sed -n \`echo $line_no\`p sesslog.txt | grep -ic 'Targ Rowid'`


2 ) bracket_found=`sed -n \`echo $line_no\`p sesslog.txt | grep -wc ')'`

now we got he line number of 2 words. now i want to dispaly all the lines that resides between both the found lines. plz help in shell script or SED

Last edited by otheus; 08-05-2009 at 06:26 AM..
# 2  
Old 07-27-2009
Quote:
Originally Posted by Gopal_Engg
...
now we got he line number of 2 words. now i want to dispaly all the lines that resides between both the found lines. plz help in shell script or SED
Code:
$ 
$ # contents of my data file
$ cat data.txt
This is line: 1
This is line: 2
This is line: 3
This is line: 4
This is line: 5
This is line: 6
$ 
$ targ_found=2
$ bracket_found=5
$ 
$ # display all lines in data.txt between $targ_found and $bracket_found, both inclusive
$ sed -n ${targ_found},${bracket_found}p data.txt
This is line: 2
This is line: 3
This is line: 4
This is line: 5
$ 
$ # the same using perl
$ perl -ne "print if $.>=$targ_found and $.<=$bracket_found" data.txt
This is line: 2
This is line: 3
This is line: 4
This is line: 5
$ 
$

HTH,
tyler_durden

Previous Thread | Next Thread
Test Your Knowledge in Computers #242
Difficulty: Easy
In September 1984 work was completed on restructuring the ARPANET giving U.S. military sites their own Military Network (MILNET) for unclassified defense department communications.
True or False?

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Continue the loop if the value is not found

Dear Help, Is it possible to continue the loop by going to the next available value, if the 'expected value' is not found. I have a list of values which might not get incremented by fixed value and hence the loop could break and the script could terminate. Any suggestion is appreciated. ... (1 Reply)
Discussion started by: Indra2011
1 Replies

2. Shell Programming and Scripting

Variable not found error in while loop

I am unable to use the value of a variable. while ] do LstFldDataPart =`head -n "$LstFldDataPartCntr" "${FeedFileDir}/${FeedFileBadRecs}" | tail -1 | tr -d '\n'` echo $LstFldDataPart JndLstFldDataPart="${JndLstFldDataPart}${LstFldDataPart}" LstFldDataPartCntr=... (3 Replies)
Discussion started by: TomG
3 Replies

3. UNIX for Dummies Questions & Answers

awk - (URGENT!) Print lines sort and move lines if match found

URGENT HELP IS NEEDED!! I am looking to move matching lines (01 - 07) from File1 and 77 tab the matching string from File2, to File3.txt. I am almost done but - Currently, script is not printing lines to File3.txt in order. - Also the matching lines are not moving out of File1.txt ... (1 Reply)
Discussion started by: High-T
1 Replies

4. Shell Programming and Scripting

while loop error. (command not found)

can any1 please tell me what is problem with following code: i=1; cat test| while read CMD; do Var$i=$CMD; or Var$i=$(echo $CMD) ; let i++ doneI keep getting error : line 4: Var1=sometext: command not found (2 Replies)
Discussion started by: kashif.live
2 Replies

5. Shell Programming and Scripting

search and replace, when found, delete multiple lines, add new set of lines?

hey guys, I tried searching but most 'search and replace' questions are related to one liners. Say I have a file to be replaced that has the following: $ cat testing.txt TESTING AAA BBB CCC DDD EEE FFF GGG HHH ENDTESTING This is the input file: (3 Replies)
Discussion started by: DeuceLee
3 Replies

6. Shell Programming and Scripting

For loop and file not found

Hi All, I have a simple script.sh file. It gives me " file.txt' for reading (no such file or directory)" Why can this happen? %ls ch1file.txt ch2file.txt ch3file.txt % chmod +x script.sh % bash % ./script.sh where script.sh is as follows for i in seq(3) do awk '{print $1}'... (1 Reply)
Discussion started by: senayasma
1 Replies

7. Shell Programming and Scripting

Renaming of files with different extensions on the same path to .found with the help of loop

hi , I have certain files at the same path with differeent extensions like .dat , .txt etc ...........i need to rename them with extension .found at the same path with the help of loop.... also the files names will be like this ; abc_2010_c1.dat abc_2010_c2.dat xyz_2010_c1.txt (2 Replies)
Discussion started by: amitpta
2 Replies

8. Shell Programming and Scripting

file not found error during loop

Hi, I have a strange problem and I'm sure its because I'm doing something stupid. When I loop through all of the files in a directory they cannot be found. Any help would be greatly appreciated. Thanks, -E $ touch a.txt $ touch b.txt $ ls a.txt b.txt $ for f in `ls` ; do... (3 Replies)
Discussion started by: earls
3 Replies

9. Shell Programming and Scripting

Loop through found files

Hi I am trying to write a script which will loop through all files that end in ".txt" and ask user if they want to delete the file or not #this print out all files dir=/root/etc/ find $dir -name "*.txt" output: 1.txt 2.txt etc but what i really want is 1.txt delete(Y/N): 2.txt ... (11 Replies)
Discussion started by: Calypso
11 Replies

10. Shell Programming and Scripting

variable not found with loop?

I cannot seem to pass the value of the variable assigned in the "else" statment below to an "if" statement outside of the loop. When I debug using "set -x", I find that the value of "$A" is empty. Is there something I'm missing here? Code is below: do if ] then echo "Good Match"... (2 Replies)
Discussion started by: douknownam
2 Replies

Featured Tech Videos