https://hackage.haskell.org/package/jacinda

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jacinda: Functional, expression-oriented data processing language

[ agpl, data, interpreters, language, library, program, text ] [
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APL meets AWK. A command-line tool for summarizing and reporting,
powered by Rust's regex library.

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Flags

Manual Flags

Name           Description           Default
cross Enable to ease cross-compiling Disabled

Use -f <flag> to enable a flag, or -f -<flag> to disable that flag. 
More info

Downloads

  * jacinda-3.0.1.0.tar.gz [browse] (Cabal source package)
  * Package description (as included in the package)

Maintainer's Corner

Package maintainers

  * vmchale

For package maintainers and hackage trustees

  * edit package information

Candidates

  * No Candidates

Versions [RSS 0.1.0.0, 0.2.0.0, 0.2.1.0, 0.3.0.0, 0.3.1.0, 1.0.0.0,
      ]       1.1.0.0, 1.2.0.0, 2.0.0.0, 2.0.1.0, 2.0.2.0, 3.0.0.0,
              3.0.1.0
 Change log   CHANGELOG.md
              array, base (>=4.11.0.0 && <5), bytestring (>=0.11.0.0)
              , containers (>=0.6.0.1), deepseq, directory, filepath,
              jacinda, microlens, microlens-mtl (>=0.1.8.0), mtl, 
Dependencies  optparse-applicative (>=0.14.1.0), prettyprinter (>=
              1.7.0), recursion (>=1.0.0.0), regex-rure (>=0.1.2.0), 
              split, text, transformers, vector (>=0.12.2.0) [details
              ]
   License    AGPL-3.0-only
   Author     Vanessa McHale
 Maintainer   vamchale@gmail.com
  Category    Language, Interpreters, Text, Data
 Bug tracker  https://github.com/vmchale/jacinda/issues
 Source repo  head: git clone https://github.com/vmchale/jacinda
  Uploaded    by vmchale at 2024-05-09T19:13:25Z
Distributions NixOS:2.0.2.0
 Executables  ja
  Downloads   581 total (53 in the last 30 days)
   Rating     2.25 (votes: 2) [estimated by Bayesian average]
                * l
 Your Rating    * l
                * l

              Docs not available [build log]
   Status     All reported builds failed as of 2024-05-09 [all 2
              reports]

---------------------------------------------------------------------

Readme for jacinda-3.0.1.0

[back to package description]

Jacinda is a functional pattern sifting language, a smaller AWK.

Installation

Releases

There are binaries for some platforms on the releases page.

If you are on Mac, you will need to install *-librure.dylib as well.

From Source

First, install Rust's regex library. You'll need to put librure.so or
librure.dylib etc. in the appropriate place.

If you have cabal and GHC installed (perhaps via ghcup):

cabal install jacinda

Editor Support

There is a vim plugin and a VSCode extension.

Usefulness

Unix uses record separators in many places; we can display one entry
in the PATH variable with:

echo $PATH | ja -F: "{|[x+'\n'+y]|>\`$}"

Many Unix tools output much information separated with spaces. We use
regular expressions to match relevant lines and then select the field
with the data itself, viz.

otool -l $(locate libpng.dylib) | ja '{`1 ~ /^name/}{`2}'

To get the value of a variable (say, PATH) from the output of
printenv:

printenv | ja -F= '{%/^PATH/}{`2}'

Rosetta

Replace

NF == 1 && $1 != "}" {
  haveversion[$1] = 1
}
END {
  for (i in haveversion)
    printf "have-%s = yes\n", i
}

with

(sprintf 'have-%s = yes')" ~.{nf=1 & `1 != '}'}{`1}

Documentation

See the guide, which contains a tutorial on some of the features as
well as examples.

The manpages document the builtins and provide a syntax reference.

Status

Missing Features & Bugs

  * No nested dfns
  * No list literal syntax
  * Postfix :f and :i are handled poorly
  * Streams of functions don't work
  * Higher-order functions are subtly broken

Intentionally missing features:

  * No loops

Advantages

  * Rust's regular expressions
      + extensively documented with Unicode support
  * Deduplicate builtin

Contributing

I have rewritten the code several times so forking and applying
patches is fraught!

Bug reports are welcome contributions.

Produced by hackage and Cabal 3.10.2.1.