Login or Register to Ask a Question and Join Our Community


Shell Programming and Scripting

awk script to split a file based on the condition

Login to Discuss or Reply to this Discussion in Our Community

 
Thread Tools Search this Thread
Top Forums Shell Programming and Scripting awk script to split a file based on the condition
# 8  
Old 06-14-2005
awk '{print > substr($0,length-4,2) "_" substr($0,length-2) ".txt"}' infile
# 9  
Old 06-14-2005
Quote:
Originally Posted by Ygor
awk '{print > substr($0,length-4,2) "_" substr($0,length-2) ".txt"}' infile
Shouldn't it be
awk '{print $0 >> substr($0,length-4,2) "_" substr($0,length-2) ".txt"}' infile

Vino
# 10  
Old 06-14-2005
No it shouldn't.
# 11  
Old 06-14-2005
Is it that, by default print outputs $0.

And I dont understand by you dont need to append to existing files. Else wouldnt already existing entries be over written ? What am I missing here ?

vino
# 12  
Old 06-14-2005
See Printing.
# 13  
Old 06-14-2005
have a look
DATA=`cat input.txt`
for data in $DATA
do
`echo $data > temp.txt`
length=`wc -c temp.txt | tr -s " " | cut -d " " -f 2`
prvlength=`expr $length - 5`
file_name=`cut -c $prvlength-$length temp.txt`
`echo $data >> $file_name.txt`
done
Login or Register to Ask a Question

Previous Thread | Next Thread

10 More Discussions You Might Find Interesting

1. UNIX for Beginners Questions & Answers

awk do not split if condition is meet

Trying to use awk to format the input based on the filed count being 5. Most lines are fine using the awk below, except the first two lines. I know the reason is the -1 in green and -2 in blue. But can not figure out how to not split on the - if it is followed by a digit then letter. Thank you :).... (1 Reply)
Discussion started by: cmccabe
1 Replies

2. UNIX for Beginners Questions & Answers

awk to add +1 to value based on condition in input

In the awk below I am trying to add a | that will adjust $2 in the ouput by adding +1 if the original value from file that was used in $3 had a - in it. Line 3 of file is an example of this. In my current awk I just subtract one but I am not sure how to only apply this to those values without a -.... (5 Replies)
Discussion started by: cmccabe
5 Replies

3. Shell Programming and Scripting

awk to change contents of field based on condition in same file

In the awk below I am trying to copy the entire contents of $6 there may be multiple values seperated by a ;, to $8, if $8 is . (lines 1 and 3 are examples). If that condition $8 is not . (line2 is an example) then that line is skipped and printed as is. The awk does execute but prints the output... (3 Replies)
Discussion started by: cmccabe
3 Replies

4. Shell Programming and Scripting

How to Split File to 2 depending on condition?

Hi , cat myfile.txt ! 3100.2.0.5 ! 3100.2.22.4 ! 3100.2.30.33 ! 3100.2.4.1 ! ! 3100.2.0.5 ! 3100.2.22.4 ! 3100.2.22.11 ! 3100.2.4.1 ! ! 3100.2.0.5 ! 3100.2.2.50 ! 3100.2.22.11 ! 3100.2.4.1 ! ! 3100.2.0.5 ! 3100.2.22.4 ! 3100.2.30.33 ! 3100.2.4.1 ! ! 3100.2.0.5 ! 3100.2.22.4 !... (6 Replies)
Discussion started by: OTNA
6 Replies

5. Shell Programming and Scripting

awk script to split file into multiple files based on many columns

So I have a space delimited file that I'd like to split into multiple files based on multiple column values. This is what my data looks like 1bc9A02 1 10 1000 FTDLNLVQALRQFLWSFRLPGEAQKIDRMMEAFAQRYCQCNNGVFQSTDTCYVLSFAIIMLNTSLHNPNVKDKPTVERFIAMNRGINDGGDLPEELLRNLYESIKNEPFKIPELEHHHHHH 1ku1A02 1 10... (9 Replies)
Discussion started by: viored
9 Replies

6. Shell Programming and Scripting

How to split file into multiple files using awk based on 1 field in the file?

Good day all I need some helps, say that I have data like below, each field separated by a tab DATE NAME ADDRESS 15/7/2012 LX a.b.c 15/7/2012 LX1 a.b.c 16/7/2012 AB a.b.c 16/7/2012 AB2 a.b.c 15/7/2012 LX2 a.b.c... (2 Replies)
Discussion started by: alexyyw
2 Replies

7. Shell Programming and Scripting

Split file based on file size in Korn script

I need to split a file if it is over 2GB in size (or any size), preferably split on the lines. I have figured out how to get the file size using awk, and I can split the file based on the number of lines (which I got with wc -l) but I can't figure out how to connect them together in the script. ... (6 Replies)
Discussion started by: ssemple2000
6 Replies

8. Shell Programming and Scripting

split file with condition

$ cat file H1:12:90 k:12:b n:22:i k:54:b k:42:b s:48:s a:41:b t:18:n c:77:a I am trying to split above file based on $2 such that if $2 is rounded to nearest 10's multiple (e.g. 10,20,30 etc), each sub file should contain 3 multiples and so on (also I want to keep header i.e. NR==1, in... (6 Replies)
Discussion started by: uwork72
6 Replies

9. Shell Programming and Scripting

Split a file based on pattern in awk, grep, sed or perl

Hi All, Can someone please help me write a script for the following requirement in awk, grep, sed or perl. Buuuu xxx bbb Kmmmm rrr ssss uuuu Kwwww zzzz ccc Roooowwww eeee Bxxxx jjjj dddd Kuuuu eeeee nnnn Rpppp cccc vvvv cccc Rhhhhhhyyyy tttt Lhhhh rrrrrssssss Bffff mmmm iiiii Ktttt... (5 Replies)
Discussion started by: kumarn
5 Replies

10. Shell Programming and Scripting

How to split the String based on condition?

hi , I have a String str="/opt/ibm/lotus/ibw/latest" or ="/opt/lotus/ibw/latest" this value is dynamic..I want to split this string into 2 strings 1. /opt/ibm/lotus(/opt/lotus) this string must ends with "lotus" 2./ibw/latest can any body help me on this? Regards, sankar (2 Replies)
Discussion started by: sankar reddy
2 Replies
Login or Register to Ask a Question