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DelimColPackage

This page describes package Lisp:delim-col.el, by ViniciusJoseLatorre.

.:: v2.1 :: part of GNU Emacs ::.

About delim-col

DelimColPackage helps to prettify columns in a text region or rectangle.

To use it, make sure that this file is in load-path and insert in your .emacs:

   (require 'delim-col)

If you have, for example, the following columns:

   a	b	c	d
   aaaa	bb	ccc	ddddd
   aaa	bbb	cccc	dddd
   aa	bb	ccccccc	ddd

And the following settings:

   (setq delimit-columns-str-before "[ ")
   (setq delimit-columns-str-after " ]")
   (setq delimit-columns-str-separator ", ")
   (setq delimit-columns-before "")
   (setq delimit-columns-after "")
   (setq delimit-columns-separator "\t")
   (setq delimit-columns-format 'separator)
   (setq delimit-columns-extra t)

If you select the lines above and type:

   M-x delimit-columns-region RET

You obtain the following result:

   [ a   , b  , c      , d     ]
   [ aaaa, bb , ccc    , ddddd ]
   [ aaa , bbb, cccc   , dddd  ]
   [ aa  , bb , ccccccc, ddd   ]

But if you select start from the very first b to the very last c and type:

   M-x delimit-columns-rectangle RET

You obtain the following result:

   a	[ b  , c       ]	d
   aaaa	[ bb , ccc     ]	ddddd
   aaa	[ bbb, cccc    ]	dddd
   aa	[ bb , ccccccc ]	ddd

Now, if we change settings to:

   (setq delimit-columns-before "<")
   (setq delimit-columns-after ">")

For the ‘delimit-columns-region’ example above, the result is:

   [ <a>   , <b>  , <c>      , <d>     ]
   [ <aaaa>, <bb> , <ccc>    , <ddddd> ]
   [ <aaa> , <bbb>, <cccc>   , <dddd>  ]
   [ <aa>  , <bb> , <ccccccc>, <ddd>   ]

And for the ‘delimit-columns-rectangle’ example above, the result is:

   a	[ <b>  , <c>       ]	d
   aaaa	[ <bb> , <ccc>     ]	ddddd
   aaa	[ <bbb>, <cccc>    ]	dddd
   aa	[ <bb> , <ccccccc> ]	ddd

Note that ‘delimit-columns-region’ operates over all text region selected, extending the region start to the beginning of line and the region end to the end of line. While ‘delimit-columns-rectangle’ operates over the text rectangle selected which rectangle diagonal is given by the region start and end.

See ‘delimit-columns-format’ variable documentation for column formating.

‘delimit-columns-region’ is useful when you have columns of text that are not well aligned, like:

   horse	apple	bus
   dog	pineapple	car
   porcupine	strawberry	airplane

‘delimit-columns-region’ and ‘delimit-columns-rectangle’ handle lines with different number of columns, like:

   horse	apple	bus
   dog	pineapple	car	EXTRA
   porcupine	strawberry	airplane

Use ‘delimit-columns-customize’ to customize DelimColPackage variables.


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