Reformat a file

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# 1  
Old 08-30-2011
Reformat a file

I have a csv file with 11 columns. The first columns contains the User Id. One User id can have multiple sub Id.
The value of Sub Id is in column 10.
100026, ,jason ,wolford ,1/16/1969, ,US, ,96761 ,15 ,seg_id
100026, ,jason ,wolford ,1/16/1969, ,n/a, ,96761 ,15 ,seg_id
100026, ,jason ,wolford ,1/16/1969, ,US, ,96761 ,10 ,seg_id
1000153, ,Jason ,Shytle ,8/16/1976, ,US, ,45245 ,12 ,seg_id
1000153, ,Jason ,Shytle ,8/16/1976, ,n/a, ,45245 ,12 ,seg_id
1000153, ,Jason ,Shytle ,8/16/1976, ,US, ,45245 ,15 ,seg_id

the requirement is to publish one line per USER_ID group with 11th field having all the sub id in that group
100026, ,jason ,wolford ,1/16/1969 ,US ,96761 ,15|10 ,seg_id
1000153, ,Jason ,Shytle ,8/16/1976 ,US ,45245 ,12|15 ,seg_id

Last edited by pludi; 08-30-2011 at 07:52 AM..
# 2  
Old 08-30-2011
100026, ,jason ,wolford ,1/16/1969, ,US, ,96761 ,15 ,seg_id 
100026, ,jason ,wolford ,1/16/1969, ,n/a, ,96761 ,15 ,seg_id

how to handle the red part if two lines with same userId and subId?
# 3  
Old 08-30-2011
For rows having same userid and subuserid , discard the rows which have the country specified as 'n/a'
# 4  
Old 08-30-2011
awk -F',' 'BEGIN{OFS=","}NR==FNR{ if($1 in s && !match(s[$1],$10)) s[$1]=s[$1]"|"$10; else s[$1]=$10; } NR>FNR{ if(!($1 in a)){ a[$1]=1; $10=s[$1]; gsub(/ /,"",$10); print $0 } }' yourFile yourFile

'n/a' handling is not considered.
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