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Full Discussion: sed usage with special characters - text manipulation
Top Forums Shell Programming and Scripting sed usage with special characters - text manipulation Post 302342463 by TheMrOrange on Sunday 9th of August 2009 11:29:14 PM
Old 08-10-2009
Quote:
Originally Posted by edidataguy
Understand how the given solutions works and modify to your requirement.
The above code with a little modification will meet you requirement.
Code:
cat fileIN.txt | sed 'N; s~\n/>~,,,,~' >> fileOUT.txt

this works perfectly!
I get the solution using grep for all lines not empty but your solution is much better and I'm going to use it. (thanks)

Anyway I've the last problem to solve:
even if I use your code or mine (that use grep), I always have an empty line at the end of the output-file (fileOUT.txt). The input-file (fileIN.txt) have an empty line at the end as well as the output.
Do you know how I can delete also the last empty line?
 

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LEARN ABOUT DEBIAN

x2sys_merge

X2SYS_MERGE(1gmt)					       Generic Mapping Tools						 X2SYS_MERGE(1gmt)

NAME

       x2sys_merge - Merge an updated COEs tables

SYNOPSIS

       x2sys_merge -Amain_COElist.d -Mnew_COElist.d

DESCRIPTION

       x2sys_merge  will read two crossovers data base and output the contents of the main one updated with the COEs in the second one. The second
       file should only contain updated COEs relatively to the first one.  That is, it MUST NOT contain any new  two  tracks  intersections  (This
       point  is  NOT checked in the code). This program is useful when, for any good reason like file editing NAV correction or whatever, one had
       to recompute only the COEs between the edited files and the rest of the database.

       -A     Specify the file main_COElist.d with the main crossover error data base.

       -M     Specify the file new_COElist.d with the newly computed crossover error data base.

OPTIONS

       No space between the option flag and the associated arguments.

       EXAMPLES
	      To update the main COE_data.txt with the new COEs estimations saved in the smaller COE_fresh.txt, try

	      x2sys_merge -ACOE_data.txt -MCOE_fresh.txt > COE_updated.txt

SEE ALSO

       x2sys_binlist(1), x2sys_cross(1), x2sys_datalist(1), x2sys_get(1), x2sys_init(1), x2sys_list(1), x2sys_put(1), x2sys_report(1)

GMT 4.5.7							    15 Jul 2011 						 X2SYS_MERGE(1gmt)
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