Jim Meyering <[EMAIL PROTECTED]> writes:
> The only part remaining is to update the texinfo documentation
> with a description of the new feature. Would you like to do that,
> including the nice example you gave above?
Here's a little something. Funny how looking for fixed-width data
brings you to all sorts of sites you usually don't want to visit.
Sorry it took so long, it's been a rather busy week.
Greetings,
Jan.
--- coreutils.texi.orig 2003-01-19 18:26:51.000000000 +0100
+++ coreutils.texi 2003-01-19 22:14:58.000000000 +0100
@@ -11790,8 +11790,46 @@
@end example
With the @option{-c} option, @command{cut} will cut out specific characters
-(i.e., columns) in the input lines. This command looks like it might be
-useful for data filtering.
+(i.e., columns) in the input lines. This is useful for input data
+that has fixed width fields, and does not have a field separator. For
+example, list the Monday dates for the current month:
+
+@c Is using cal ok? Looked at gcal, but I don't like it.
+@example
+$ cal | cut -c 3-5
+@print{}Mo
+@print{}
+@print{} 6
+@print{} 13
+@print{} 20
+@print{} 27
+@end example
+
+Cut can also add field separators to fixed width data, using the
+@option{--output-delimiter} option. This can be very useful to fill a
+database:
+
+@c [Why] can't that silly total line for directories be switched off?
+@example
+$ ls -ld ~/* | cut --output-delimiter=, -c1,2-4,5-7,8-10,57- | tee home.cs
+@print{} d,rwx,r-x,r-x,CVS
+@print{} d,rwx,---,---,Mail
+@print{} d,rwx,r-x,r-x,lilypond
+@print{} d,rwx,r-x,r-x,savannah
+$ mysql -e 'create table home \
+ (d char(1),u char(3), g char (3), o char (3), name text)' test
+$ mysqlimport --fields-terminated-by=, test home.cs
+@print{} test.home: Records: 4 Deleted: 0 Skipped: 0 Warnings: 0
+$ mysql -e 'select * from home' test
+@print{} +------+------+------+------+---------------------+
+@print{} | d | u | g | o | name |
+@print{} +------+------+------+------+---------------------+
+@print{} | d | rwx | r-x | r-x | /home/fred/CVS |
+@print{} | d | rwx | --- | --- | /home/fred/Mail |
+@print{} | d | rwx | r-x | r-x | /home/fred/lilypond |
+@print{} | d | rwx | r-x | r-x | /home/fred/savannah |
+@print{} +------+------+------+------+---------------------+
+@end example
@node The sort command
--
Jan Nieuwenhuizen <[EMAIL PROTECTED]> | GNU LilyPond - The music typesetter
http://www.xs4all.nl/~jantien | http://www.lilypond.org
_______________________________________________
Bug-coreutils mailing list
[EMAIL PROTECTED]
http://mail.gnu.org/mailman/listinfo/bug-coreutils
