Hello Guilers, I'm pleased to announce Guile-DSV 0.5.2: https://github.com/artyom-poptsov/guile-dsv/releases/tag/v0.5.2
This release includes a bugfix in RFC 4180 parser and adds some features
for fancy semi-graphic table formatting.
See the full list of user-visible changes below.
* What is Guile-DSV?
Guile-DSV is a library that allows to parse Delimiter-Separated Values
format (DSV). It supports two flavors of DSV: Unix-style[1] and RFC4180[2].
Also Guile-DSV is shipped with a program named "dsv" that allows to read
and process DSV format (including delimiter change and conversion from
one standard to another.) See README file for usage examples.
* List of user visible changes
Here's an excerpt from the NEWS file:
--8<---------------cut here---------------start------------->8---
* Changes in version 0.5.2 (2023-04-18)
** Bugfixes
*** RFC 4180 now handles empty trailing fields correctly
The library would skip a trailing empty field in a row thus a row shorter than
the rest of the table rows would be made. For example, the following data:
#+BEGIN_EXAMPLE
a,b
c,
#+END_EXAMPLE
Would result in:
#+BEGIN_EXAMPLE lisp
'(("a" "b")
("c"))
#+END_EXAMPLE
Now this behavior should be fixed so the result for the same data will look as
follows:
#+BEGIN_EXAMPLE lisp
'(("a" "b")
("c" ""))
#+END_EXAMPLE
** =dsv= now accepts =--table-presets-path= option
The option allows to set the path to a directory that contains table presets.
** =dsv= now reads =GUILE_DSV_TABLE_PRESETS_PATH= environment variable
This environment variable allows to specify the directory that contains table
presets, akin to =--table-presets-path= option.
** Table presets now allow to specify styles
The styles are in the format of GNU/Linux terminal colors, e.g. "107;100".
See the manual page for "dsv" or =dsv --help= for details.
** Now table preset parameters can be overridden
For example:
#+begin_example shell
$ dsv -b "graphic-with-shadow,bs=107;100,ts=107;100"
#+end_example
** Table presets now allow to specify a table shadow symbol and offsets
For example, a simple table with a semi-graphic shadow "░" with an offset
"2;1" can be created using the "graphic" preset with overrides:
#+begin_example shell
$ echo -e "a1,b1,c1\na2,b2,c2\n" | dsv -b
"graphic,s=░,so=2;1,ss=1;37,ts=1;44,bs=1;44"
#+end_example
** Update the help output of =dsv= and its man page
--8<---------------cut here---------------end--------------->8---
Thanks and happy hacking!
- Artyom
[1] http://www.catb.org/~esr/writings/taoup/html/ch05s02.html#id2901882
[2] https://tools.ietf.org/html/rfc4180
--
Artyom "avp" Poptsov <poptsov.art...@gmail.com>
Home page: https://memory-heap.org/~avp/
CADR Hackerspace co-founder: https://cadrspace.ru/
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