jsonmunge.1.md

%jsonmunge(1) user manual | version 1.3.5 f86e208 % R. S. Doiel % 2026-02-12

NAME

jsonmunge

SYNOPSIS

jsonmunge [OPTIONS] TEMPLATE_FILENAME

DESCRIPTION

jsonmunge is a command line tool that takes a JSON document and one or more Go templates rendering the results. Useful for reshaping a JSON document, transforming into a new format, or filter for specific content.

• TEMPLATE_FILENAME is the name of a Go text tempate file used to render the outbound JSON document

OPTIONS

-help : display help

-license : display license

-version : display version

-E, -expression : use template expression as template

-i, -input : input filename

-nl, -newline : if true add a trailing newline

-o, -output : output filename

-quiet : suppress error messages

EXAMPLES

If person.json contained

   {"name": "Doe, Jane", "email":"jd@example.org", "age": 42}

and the template, name.tmpl, contained

   {{- .name -}}

Getting just the name could be done with

    cat person.json | jsonmunge name.tmpl

This would yield

    "Doe, Jane"

jsonmunge 1.3.5