Help on Merge multi-lines into one single line


 
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# 1  
Old 05-25-2009
Help on Merge multi-lines into one single line

Hello,

Can anyone let me know how to use Perl script to Merge following multi-lines into one single line...

***** Multi-line*****
FILE_Write root OK Tue Jul 01 00:00:00 2008 cl_get_path
file descriptor = 1
FILE_Write root OK Tue Jul 01 00:00:00 2008 cp
file descriptor = 4
*****************


***** Single-line*****
FILE_Write root OK Tue Jul 01 00:00:00 2008 cl_get_path file descriptor = 1
FILE_Write root OK Tue Jul 01 00:00:00 2008 cp file descriptor = 4
*****


Thank You

HappyDay
# 2  
Old 05-25-2009
this sed command will do it
Code:
sed '
/^[ ]*$/ !{
N
s/\n/ /
}
' filename

# 3  
Old 05-25-2009
Quote:
Originally Posted by happyday
Hello,

Can anyone let me know how to use Perl script to Merge following multi-lines into one single line...

***** Multi-line*****
FILE_Write root OK Tue Jul 01 00:00:00 2008 cl_get_path
file descriptor = 1
FILE_Write root OK Tue Jul 01 00:00:00 2008 cp
file descriptor = 4
*****************


***** Single-line*****
FILE_Write root OK Tue Jul 01 00:00:00 2008 cl_get_path file descriptor = 1
FILE_Write root OK Tue Jul 01 00:00:00 2008 cp file descriptor = 4
*****


Thank You

HappyDay
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# 4  
Old 05-25-2009
You posted the same question one week ago and got lots of feedback

https://www.unix.com/shell-programmin...ngle-line.html
# 5  
Old 05-25-2009
Neo,

Thanks for the comments, will follow it next time

HappyDay
# 6  
Old 05-25-2009
Code:
$/="FILE";
open $fh,"<","a.spl";
while(<$fh>){
	chomp;
	s/\n/ /g;
	print "FILE",$_,"\n" if $_;
}

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