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Help with matching pattern inside a file

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Top Forums Shell Programming and Scripting Help with matching pattern inside a file
# 15  
Old 06-03-2011
I am not sure about what's going on, but my output file is empty when I run the script. I did not change anything. I just copied and pasted. any idea?
Thanks!

---------- Post updated at 03:44 PM ---------- Previous update was at 03:32 PM ----------

Shell, all your assumptions are correct and I want to get exactly your output. My only issue so far is that my output file is empty when I use the code. cannot quite understand why.

Thanks!
Last edited by Ernst; 06-03-2011 at 04:59 PM..
# 16  
Old 06-03-2011
When building your big file from many logfiles,
did you try this :

Code:
paste -d"\n" *.log

?

---------- Post updated at 09:52 PM ---------- Previous update was at 09:47 PM ----------

Code:
$ cat f1
file 1
1
1
1
1
1
1
$ cat f2
file2
2
2
2
2
2
2
2
2
2
2
2
2
$ cat f3
file3
3
3
3
$ paste -d"\t" f?
file 1  file2   file3
1       2       3
1       2       3
1       2       3
1       2
1       2
1       2
        2
        2
        2
        2
        2
        2
$ paste -d"\n" f?
file 1
file2
file3
1
2
3
1
2
3
1
2
3
1
2

1
2

1
2


2


2


2


2


2


2

$

NOTE : the number of empty lines MATTER if you want to do some reverse processing based on line number such as the awk code i've posted earlier.
# 17  
Old 06-03-2011
ctsgn,

I meant to send my last reply to you. The output you posted is what I need. But my file is empty when I run your code.
Code:
nawk -v N="$(( $(grep '>' tst | wc -l) ))" '{A[NR]=$0}END{for(i=0;++i<=N;){for(j=0;++j<=NR;)if(j%N==i%N) print A[j];print}}' tst

I do not know why this code does not work for me the same way it does for you. I want to get the same output.
# 18  
Old 06-03-2011
1) On which OS are you ?
2) make sure you have replaced 'tst' with the name of your own file

try with "awk" instead of "nawk" (the rest of the syntax should remain the same)

If you are on SunOS / Solaris plateform you can go with 'nawk', otherwise try 'awk'

---------- Post updated at 10:10 PM ---------- Previous update was at 10:04 PM ----------

Code:
awk -v N="$(( $(grep '>' yourbiginputfile | wc -l) ))" '{A[NR]=$0}END{for(i=0;++i<=N;){for(j=0;++j<=NR;)if(j%N==i%N) print A[j];print}}' yourbiginputfile

# 19  
Old 06-03-2011
This is the error I get with "awk"
Quote:
./tester: syntax error at line 1: `(' unexpected
# 20  
Old 06-03-2011
On which Operating system are you ?
Code:
uname -a

?
Which shell are you running ?

Please post (copy paste as is , the command you paste on your screen)

Sometimes, Copy/Paste can mess the character, retype it manually on your screen and make sure you don't forget any parenthesis () nor curly brace {} nor space !!!
Last edited by ctsgnb; 06-03-2011 at 05:26 PM..
# 21  
Old 06-03-2011
uname -a
Quote:
SunOS xxxxxx-abc 5.10 Generic_142900-09 sun4u sparc SUNW,Netra-440
env
Quote:
SHELL=/sbin/sh
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