====== Listing installed packages using stack ======

  * displays the currently installed packages
  * for each of the databases known to ghc-pkg
    * includes the global database
    * user’s local database
    * documented here [[https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/packages.html#package-management|Glasgow Haskell Compiler - Package management (the ghc-pkg command)]]

  * command line:
    * <code>
stack exec ghc-pkg -- list
</code>

  * example of an output:
    * <code>
C:\...\stack\x86_64-windows\ghc-8.10.4\lib\package.conf.d
    Cabal-3.2.1.0
    Win32-2.6.1.0
    array-0.5.4.0
    base-4.14.1.0
    binary-0.8.8.0
    bytestring-0.10.12.0
    containers-0.6.2.1
    deepseq-1.4.4.0
    directory-1.3.6.0
    exceptions-0.10.4
    filepath-1.4.2.1
    (ghc-8.10.4)
    ghc-boot-8.10.4
    ghc-boot-th-8.10.4
    ghc-compact-0.1.0.0
    ghc-heap-8.10.4
    ghc-prim-0.6.1
    ghci-8.10.4
    haskeline-0.8.0.1
    hpc-0.6.1.0
    integer-gmp-1.0.3.0
    libiserv-8.10.4
    mtl-2.2.2
    parsec-3.1.14.0
    pretty-1.1.3.6
    process-1.6.9.0
    rts-1.0
    stm-2.5.0.0
    template-haskell-2.16.0.0
    text-1.2.4.1
    time-1.9.3
    transformers-0.5.6.2
    xhtml-3000.2.2.1

C:\...\pkgdb
    HUnit-1.6.1.0
    ansi-terminal-0.10.3
    call-stack-0.2.0
    colour-2.3.5
    extensible-exceptions-0.1.1.4
    hostname-1.0
    mintty-0.1.2
    old-locale-1.0.0.7
    random-1.1
    regex-base-0.94.0.1
    splitmix-0.1.0.3
    xml-1.3.14

C:\...\.stack-work\install\...\pkgdb
    (no packages)
</code>


===== ✎ =====
~~DISCUSSION~~