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awk to transpose every 7 rows into columns

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Top Forums Shell Programming and Scripting awk to transpose every 7 rows into columns
# 8  
Old 01-08-2014
if you have Ruby on your system
Code:
x = File.open("file").readlines.map(&:chomp)
x.each_slice(7) { |y|  puts y.join(" ") }

output
Code:
# ruby test.rb 
a1 a2 a3 a4 a5 a6 a7
b1 b2 b3 b4 b5 b6 b7
z1 z2 z3 z4 z5 z6 z7

# 9  
Old 01-08-2014
Hi.
Code:
$ paste - - - - - - - < data1
a1	a2	a3	a4	a5	a6	a7
b1	b2	b3	b4	b5	b6	b7

See man paste for details.

Best wishes ... cheers, drl
# 10  
Old 01-08-2014
sed python
If it is exactly a multiple of 7, below simple 'sed' should be ok for you.

Code:
sed -n '{N;N;N;N;N;N;s/\n/ /g;p}' a

If it is somehow not multiple of 7, use below awk.

Code:
awk '{
str=$0
pre_nr=NR
for(i=0;i<=5;i++){
 getline a
 if(NR!=pre_nr)
  str=sprintf("%s %s",str,a)
  pre_nr=NR
}
print str
}' your file

or below python
Code:
a=[]
with open("a.txt") as file:
 for line in file:
  line=line.replace("\n","")
  if len(a)==3:
   print(" ".join(a))
   a=[line]
  else:
   a.append(line)
if a:
 print(" ".join(a))

of course, perl is another good candidate
Code:
while(<DATA>){
    chomp;
    if($.%7==0){
        print $_,"\n";
    }
    else{
        print $_," ";
    }
}

__DATA__
1
2
3
4
5
6
7
8
9
10

# 11  
Old 01-09-2014
Or just use pr
...will also work if it is not an exact multiple of 7 :

Code:
pr -7at <yourfile

Code:
$ seq 1 17 | pr -7at
1         2         3         4         5         6         7
8         9         10        11        12        13        14
15        16        17

Just the use the relevant options man pr

The separator can also be changed with the -s option if needed pr -7ats' ' <yourfile
Last edited by ctsgnb; 01-09-2014 at 06:39 AM..
# 12  
Old 01-14-2014
Hi All,

I have a data coming in some text file as below:
Code:
                   .     351706    5861.8       0.026        0.012       12.584        0.026       0.012      12.582      0.000      0.000      0.000

Now i need the data to be transposed as below in Shell.

Code:
351706
5861.8
0.026
0.012
12.584
0.026
0.012
12.582
0.000
0.000
0.000

Please advise

Moderator's Comments:
Mod Comment Please don't hijack others threads. Open a new one instead.
# 13  
Old 01-14-2014
Code:
xargs -n1 <yourfile
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