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Combining many lines to one using awk or any unix cmd

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# 1  
Old 05-06-2009
Combining many lines to one using awk or any unix cmd
Combining many lines to one using awk or any unix cmd


Inputfile:
Quote:
ID,place,org,animal,country
ITS234,chicago,zoo,Tiger,America
ITS234,chicago,zoo,lion,America
ITS234,chicago,zoo,zebra,America
Output :
Quote:
ID,place,org,animal,country
ITS234,chicago,zoo,Tiger lion zebra,America
Appreciate help on this.
# 2  
Old 05-06-2009
zenith,
were exactly are stuck in your code?
# 3  
Old 05-06-2009
Quote:
Originally Posted by vgersh99
zenith,
were exactly are stuck in your code?

I tried till here but doesnt work:
Code:
nawk -F, '{k= ($1 SUBSEP $2 SUBSEP $3) u[k]++ d[k] = d[k] ? d[k] RS $0: $0} END { for (K in u) if (u[K] > 1) print d[K] } ' infile


The below input file i modified.
Quote:
Inputfile:
ID,place,org,animal,country
ITS234,chicago,zoo,Tiger,America
ITS234,chicago,USzoo,lion,America
ITS234,chicago,INzoo,zebra,America

Output file:

Quote:
ITS234,chicago,zoo USZoo INzoo,Tiger lion zebra,America

The key is first 2 columns of file.
If the first 2 columns matches then the remaining columns are combined to on column for different records

This is complex to implement.
Help is highly appreciated
# 4  
Old 05-06-2009
Quote:
Originally Posted by zenith
I tried till here but doesnt work:
Code:
nawk -F, '{k= ($1 SUBSEP $2 SUBSEP $3) u[k]++ d[k] = d[k] ? d[k] RS $0: $0} END { for (K in u) if (u[K] > 1) print d[K] } ' infile


The below input file i modified.



Output file:




The key is first 2 columns of file.
If the first 2 columns matches then the remaining columns are combined to on column for different records

This is complex to implement.
Help is highly appreciated

I think this cannot be implemented in unix
# 5  
Old 05-06-2009
nawk -f zen.awk myInputFile

zen.awk:
Code:
BEGIN {
  FS=OFS=","
  SEP=" "
}
{
  idx=$1 OFS $2
  idxA[idx]
  for(i=3; i<=NF; i++) {
    n=split(cols[idx, i], tmp, OFS)
    if (n==0)
       cols[idx,i]=$i
    else {
      for(j=1; j<=n; j++)
        if (tmp[j]==$i) break
      if (j>n) cols[idx,i]=cols[idx,i] SEP $i
    }
  }
  nf=NF
}
END {
  for(i in idxA) {
    printf("%s%c", i, OFS)
    for(j=3; j<=nf; j++)
      printf("%s%c", cols[i,j], (j==nf)?RS:OFS)
  }
}

# 6  
Old 05-06-2009
Quote:
Originally Posted by vgersh99
nawk -f zen.awk myInputFile

zen.awk:
Code:
BEGIN {
  FS=OFS=","
  SEP=" "
}
{
  idx=$1 OFS $2
  idxA[idx]
  for(i=3; i<=NF; i++) {
    n=split(cols[idx, i], tmp, OFS)
    if (n==0)
       cols[idx,i]=$i
    else {
      for(j=1; j<=n; j++)
        if (tmp[j]==$i) break
      if (j>n) cols[idx,i]=cols[idx,i] SEP $i
    }
  }
  nf=NF
}
END {
  for(i in idxA) {
    printf("%s%c", i, OFS)
    for(j=3; j<=nf; j++)
      printf("%s%c", cols[i,j], (j==nf)?RS:OFS)
  }
}

Thank you very much vgersh99

The output is
Quote:
ITS234,chicago,zoo USzoo INzoo,Tiger lion zebra,America America
But i wanted
Quote:
ITS234,chicago,zoo USzoo INzoo,Tiger lion zebra,America
This coded provied by you helped.
Thanks
# 7  
Old 05-06-2009
make sure your fields have no 'leading' and/or 'trailing spaces.
Otherwise:
Code:
BEGIN {
  FS=OFS=","
  SEP=" "
}
function trim(str)
{
    sub("^[ ]*", "", str);
    sub("[ ]*$", "", str);
    return str;
}

{
  idx=trim($1) OFS trim($2)
  idxA[idx]
  for(i=3; i<=NF; i++) {
    n=split(cols[idx, i], tmp, OFS)
    if (n==0)
       cols[idx,i]=trim($i)
    else {
      for(j=1; j<=n; j++)
        if (tmp[j]==trim($i)) break
      if (j>n) cols[idx,i]=cols[idx,i] SEP trim($i)
    }
  }
  nf=NF
}
END {
  for(i in idxA) {
    printf("%s%c", i, OFS)
    for(j=3; j<=nf; j++)
      printf("%s%c", cols[i,j], (j==nf)?RS:OFS)
  }
}
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