j2(1)

j21

Command line tool for templating in shell-scripts

Overview

usage: j2 [-h] [-v] [-f {?,ini,json,yaml,env}] [-e VAR]

[--filters python-file [python-file ...]] [--tests python-file [python-file ...]] [--customize python-file.py] [--undefined] [-o outfile] template [data]

Command-line interface to Jinja2 for templating in shell scripts.

positional arguments:

template

Template file to process

data

Input data file path; "-" to use stdin

optional arguments:

-h, --help

show this help message and exit

-v, --version

show program's version number and exit

-f {?,ini,json,yaml,env}, --format {?,ini,json,yaml,env}

Input data format

-e VAR, --import-env VAR

Import environment variables as `var` variable. Use empty string to import into the top level

--filters python-file [python-file ...]

Load custom Jinja2 filters from a Python file: all top-level functions are imported.

--tests python-file [python-file ...]

Load custom Jinja2 tests from a Python file.

--customize python-file.py

A Python file that implements hooks to fine-tune the j2cli behavior

--undefined

Allow undefined variables to be used in templates (no error will be raised)

-o outfile

Output to a file instead of stdout

Releases

Unchanged in 2 releases since Debian 12 (Bookworm).

  1. 12–13

From j2cli 0.3.12b-5 in Debian 13 (Trixie). Parsed by carta from the page's man source.