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Check if last char in a line is '.' and if not, insert it

 
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Old 07-26-2010
Check if last char in a line is '.' and if not, insert it
Hi all,

I've searched for this but couldn't seem to find the answer I'm looking for. I have a text file that looks like this:

sgea0447 Earnings followed the same path. earnings followed the same path
sgea0448 Economic growth slowed further. economic growth slowed further
sgea0449 Emergency vehicles flash red or red blue. emergency vehicles flash red or red blue.
sgea0450 Encourage someone who is in low spirits. encourage someone who is in low spirits,
sgea0451 Enter the corporate raider. enter the corporate raider,
sgea0452 Entertaining leaves you feeling relaxed. entertaining leaves you feeling relaxed
sgea0453 Especially by your wife. especially by your wife,

As you can see, the last character of each line either already has a period, or it has commas, or it just has no punctuation. What I want is for all the lines to have a period at the end, should look like this:

sgea0447 Earnings followed the same path. earnings followed the same path.
sgea0448 Economic growth slowed further. economic growth slowed further.
sgea0449 Emergency vehicles flash red or red blue. emergency vehicles flash red or red blue.
sgea0450 Encourage someone who is in low spirits. encourage someone who is in low spirits.
sgea0451 Enter the corporate raider. enter the corporate raider.
sgea0452 Entertaining leaves you feeling relaxed. entertaining leaves you feeling relaxed.
sgea0453 Especially by your wife. especially by your wife.

Can anyone help??
 
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LEARN ABOUT NETBSD

af_history

af_history(3)						    Attribute Filesystem (AtFS) 					     af_history(3)

NAME

       af_histories, af_access - AtFS history functions

SYNOPSIS

       #include <atfs.h>

       char**af_histories (char *path, char *pattern)

       char**af_cachenames (char *path, char *pattern);

       int   af_access (char *path, char *name, char *type, int mode)

DESCRIPTION

       af_histories  returns  a  list  of source history names from the directory pointed to by path, that match the given pattern. Histories in a
       directory are represented by at least one version. The pattern must be ed(1)  patterns,	processable  by  re_comp(3)  and  re_exec(3).  The
       resulting  list of af_histories resides in allocated memory. Use free(3) to free the memory for further allocation. af_histories returns an
       empty list (not a NULL pointer !), when no histories are found.

       af_cachenames does the same as af_histories but on derived object caches.

       af_access determines the existence of an object history.  If any ASO (any version) with the given path, name and  type  attributes  exists,
       af_access returns zero, otherwise -1.  The mode argument can either be

       AF_CLASS_SOURCE
		 indicating that only source objects shall be searched or

       AF_CLASS_DERIVED
		 which means that only the derived object cache shall be searched for existence of a matching ASO.

SEE ALSO

       ed(1), re_comp(3), re_exec(3), free(3)

DIAGNOSTICS

       Upon error, -1 or a null pointer (depending on the return type) is returned and af_errno is set to the corresponding error number.

AtFS-1.71						     Fri Jun 25 14:33:09 1993						     af_history(3)