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sed command to arrange words

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# 1  
Old 09-30-2015
sed command to arrange words
Hi

I have a text file as given below:

Input format

Code:
I
have
a
text
file
as
given
below
.

This
is
a
sample
test
file
.

There is a space between the sentences in the above format.

I want to write sed command to arrange these words in such a way that they appear as given below.


Output Format:

Code:
I have a text file as given below .
This is a sample test file .

Thanks in advance. Smilie
Last edited by my_Perl; 09-30-2015 at 05:32 PM.. Reason: editing
# 2  
Old 09-30-2015
Code:
sed -e ':L' -e '/\./{p;d;}' -e 'N;s/\n/ /;bL' file

label L
If there is . then print, delete and next cycle.
Append Next line (with embedded \n), substitute the \n by a space, jump to label L
With some debug code you see how it works:
Code:
sed -e ':L' -e '/\./{p;d;}' -e '=;p;N;s/\n/ /;bL' file

print current line number and current pattern space.
This User Gave Thanks to MadeInGermany For This Post:
my_Perl
# 3  
Old 09-30-2015
I got the following output:

Code:
I
have
a
text
file
as
given
below
.

This
is
a
sample
test
file
.
I have a text file as given below .
 This is a sample test file .


But I want to get the following output only:

Code:
I have a text file as given below .
This is a sample test file .

# 4  
Old 09-30-2015
Code:
sed -e ':L' -e '/\./{p;d;}' -e 's/^ //' -e 'N;s/\n/ /;bL'

Will do the trick!

---------- Post updated at 04:46 PM ---------- Previous update was at 04:44 PM ----------

Sorry, new here--

Code:
sed -e ':L' -e '/\./{p;d;}' -e 's/^ //' -e 'N;s/\n/ /;bL'

let's see if this is kosher!
Last edited by Scrutinizer; 10-03-2015 at 04:27 AM.. Reason: Corrected code tags
This User Gave Thanks to Klasform For This Post:
my_Perl
# 5  
Old 09-30-2015
I got the following output:

Code:
I
have
a
text
file
as
given
below
.

This
is
a
sample
test
file
.
I have a text file as given below .
This is a sample test file .

How do I get only:

Code:
I have a text file as given below .
This is a sample test file .


Thanks.Smilie
# 6  
Old 09-30-2015
Code:
sed -e ':L' -e '/\./{p;d;}' -e 's/^ //' -e 'N;s/\n/ /;bL'

Ah git it!!
This User Gave Thanks to Klasform For This Post:
my_Perl
# 7  
Old 09-30-2015
Or substitute the leading space only once before the print
Code:
sed -e ':L' -e '/\./{s/^ //;p;d;}' -e 'N;s/\n/ /;bL' file

You don't get the input repeated in the output. (What did you do?)
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