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converting rows into columns

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# 8  
Old 01-03-2011
use below:

form line to paragraphs:

Code:
perl -wlne '$_ =~ s/\s+/\n/g;print $_,"\n";' infile.txt > outfile.txt


for reverse:
from paragraphs to lines:

Code:
perl -00 -wne 's/\n/\t/g;print $_,"\n"'  infile.txt > outfile.txt

Last edited by ahmad.diab; 01-03-2011 at 02:17 PM..
This User Gave Thanks to ahmad.diab For This Post:
svajhala
# 9  
Old 01-03-2011
Code:
xargs -n3 < file

This User Gave Thanks to Franklin52 For This Post:
svajhala
# 10  
Old 01-03-2011
A bit fork/exec intensive, but yes, that is another way to collect N lines into one:
Code:
xargs -n4 echo < file

This User Gave Thanks to DGPickett For This Post:
svajhala
# 11  
Old 01-04-2011
Quote:
Originally Posted by Scrutinizer
Code:
awk '$1=$1' RS= file


when i try your command, it is giving me the following output.

Code:
PC_1
wf_test1
Test
PC_2
wf_test2
Test
PC_3
wf_test3
Test

but what i want is

Code:
PC_1 wf_test1 Test
PC_2 wf_test2 Test
PC_3 wf_test3 Test

---------- Post updated at 04:40 PM ---------- Previous update was at 04:31 PM ----------

Quote:
Originally Posted by DGPickett
A bit fork/exec intensive, but yes, that is another way to collect N lines into one:
Code:
xargs -n4 echo < file

It gives the following output.

Code:
PC_1 wf_test1 Test PC_2
wf_test2 Test PC_3 wf_test3
Test

But I want to start output in next line after encountering the word 'Test'

ex:

Code:
PC_1 wf_test1 Test 
PC_2 wf_test2 Test 
PC_3 wf_test3 Test

# 12  
Old 01-04-2011
Quote:
Originally Posted by svajhala
when i try your command, it is giving me the following output

Code:
PC_1
wf_test1
Test
PC_2
wf_test2
Test
PC_3
wf_test3
Test

but what i want is

[CODE]
PC_1 wf_test1 Test
PC_2 wf_test2 Test
PC_3 wf_test3 Test
It only works when there are empty lines between the records, as is the case in the sample input file.
This User Gave Thanks to Scrutinizer For This Post:
svajhala
# 13  
Old 01-04-2011
Back in #1 there were blank lines so 4 was a good number.
This User Gave Thanks to DGPickett For This Post:
svajhala
# 14  
Old 01-04-2011
Quote:
Originally Posted by svajhala
when i try your command, it is giving me the following output.

Code:
PC_1
wf_test1
Test
PC_2
wf_test2
Test
PC_3
wf_test3
Test

but what i want is

Code:
PC_1 wf_test1 Test
PC_2 wf_test2 Test
PC_3 wf_test3 Test

The supplied code only works with GNU awk for plain awk you might need something like this:
Code:
awk '!$0;$0{printf $0" "}END{print}' infile

Another version with extra space on end of each line removed:
Code:
awk '!$0{print; f=0}$0{printf(f++?" ":"")$0}END{if(f)print}' infile

Last edited by Chubler_XL; 01-04-2011 at 06:48 PM.. Reason: Added version with extra space removed
This User Gave Thanks to Chubler_XL For This Post:
svajhala
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