Development notes

A piggy bank of commands, fixes, succinct reviews, some mini articles and technical opinions from a (mostly) Perl developer.

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Quick reference

Command-line data processing 2023

Some developer tools with CLI  for processing XML, XHTML, HTML, JSON, YAML, etc.

XML

  • xsh (perl - Choroba)
    • cpm XML::XSH2
    • xsh -P file.xml
    • ls
    • help ls
    • help | less
    • <TAB> autocompletion
  • xmllint
    • xmllint --xpath "//foo" file.xml
    • xmllint --shell file.xml
  • xmltarlet
  • xq (golang - )
    • apt-get install xq
  • xq (python - jeffbr13)
    • pip install xq

JSON

  • jq
    • cat file.json | jq . # format
    • cat file.json | jq '.[]' # extract array

Search

  • fzf
  • ripgrep
  • ag
  • ack
    • Doesn't search "binary" files by default
  • vim - for searching files

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