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Break on record with multiple with userid

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# 1  
Old 08-31-2015
Question Break on record with multiple with userid
I'm using the unix terminal in Mac osx yosemite.

I have a file
Code:
1;2015p;2014r;2013r;2013p
2;2013p;2013r;2012g
3;2013g
4;2015g;2014g;2013r;2012s;2011s

The first column is the userid, the second column is each event.

I'd like a separate record for each event.
Code:
1   2015p
1   2014r
1   2013r
1   2013p
2   2013p
2   2013r
2   2012g
3   2013g
4   2015g
4   2014g

Any help would be marvelous!
Last edited by Scrutinizer; 08-31-2015 at 03:19 PM.. Reason: code tags
# 2  
Old 08-31-2015
Hello Nataliemf,

Welcome to forums, please use code tags in your posts while using commands/codes/inputs as per forum rule.
Following may help you in same.
Code:
awk -F";" '{for(i=2;i<=NF;i++){print NR OFS $i}}' Input_file

Output will be as follows.
Code:
1 2015p
1 2014r
1 2013r
1 2013p
2 2013p
2 2013r
2 2012g
3 2013g
4 2015g
4 2014g
4 2013r
4 2012s
4 2011s

EDIT: Considering if $1 is NOT a line number which I assumed in previous 1st solution, then you can use following for same.
Code:
 awk -F";" '{for(i=2;i<=NF;i++){print $1 OFS $i}}' Input_file

EDIT2: One more solution for same considering that you need line number before each word as like same 1st solution of mine.
Code:
 awk '{sub(/\;/,OFS,$0);gsub(/\;/,ORS NR OFS,$0);print}' Input_file

Thanks,
R. Singh
Last edited by RavinderSingh13; 08-31-2015 at 03:07 PM.. Reason: Added one more solution, added one more solution for same
This User Gave Thanks to RavinderSingh13 For This Post:
Nataliemf
# 3  
Old 08-31-2015
Thank you for your quick response. It looks like I need to give more info. The first field is alphanumeric 15 digits, then the following fields are years with a letter tag.
Code:
AB0004897;2014g;2014r;2013g;2012r;
CX00003241;2015g;2013r
LA000023984;2013r

I tried your second solution and it repeated the first column of the first record in each of the records.
Code:
AB0004897   2014g
AB0004897   2014r
AB0004897   2013g
AB0004897   2012r
CX00003241
AB0004897   2015g
AB0004897   2013r
LA000023984
AB0004897   2013r

I will not need any line numbering in my solution. Thank you!
Last edited by Nataliemf; 08-31-2015 at 06:35 PM..
# 4  
Old 08-31-2015
Maybe you're looking for something more like:
Code:
awk -F ';' '{for(i = 2; i <= NF; i++) printf("%-15s %s\n", $1, $i)}' file

which, if file contains your two sample input files concatenated:
Code:
1;2015p;2014r;2013r;2013p
2;2013p;2013r;2012g
3;2013g
4;2015g;2014g;2013r;2012s;2011s
AB0004897;2014g;2014r;2013g;2012r;
CX00003241;2015g;2013r

produces the output:
Code:
1               2015p
1               2014r
1               2013r
1               2013p
2               2013p
2               2013r
2               2012g
3               2013g
4               2015g
4               2014g
4               2013r
4               2012s
4               2011s
AB0004897       2014g
AB0004897       2014r
AB0004897       2013g
AB0004897       2012r
AB0004897       
CX00003241      2015g
CX00003241      2013r

(Note that the red output line is there because you have a trailing semicolon at the end of the 1st line in your 2nd sample input file.)

If you want to try this on a Solaris/SunOS system, change awk to /usr/xpg4/bin/awk or nawk.
This User Gave Thanks to Don Cragun For This Post:
Nataliemf
# 5  
Old 08-31-2015
Thanks!
Turns out your answers work as designed. My file is encoded wrong. I have to delete and re insert the returns at the end of the line in text edit, for you answers to work. Since the master file is only 10 million records, I'll have to try exporting it another way!

Thank you again!
# 6  
Old 08-31-2015
If you mean that you have a DOS format file with carriage-return linefeed character pairs as line terminators and you want the same format in your output file, try:
Code:
awk -F ';' '{gsub("\r", "")}{for(i = 2; i <= NF; i++) printf("%-15s %s\r\n", $1, $i)}' file

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