Very simple templating system that replace {{VAR}} by $VAR environment value
Supports default values by writting {{VAR=value}} in the template
Based on lavoiesl/bash-templater and other forks
To install templater in linux type:
curl -L https://raw.githubusercontent.com/bash-suite/templater/maste r/templater.sh -o /usr/local/bin/templater
chmod +x /usr/local/bin/templater
# Passing arguments directly
VAR=value templater template
# Evaluate /tmp/foo and pass those variables to the template
# Useful for defining variables in a file
# Parentheses are important for not polluting the current shell
(set -a && . /tmp/foo && templater template)
# A variant that does NOT pass current env variables to the templater
sh -c 'set -a && . /tmp/foo && templater template'
VAR=value templater template
# Evaluate /tmp/foo and pass those variables to the template
# Useful for defining variables in a file
# Parentheses are important for not polluting the current shell
(set -a && . /tmp/foo && templater template)
# A variant that does NOT pass current env variables to the templater
sh -c 'set -a && . /tmp/foo && templater template'
# Read variables from file:
templater template -f variables.txt
# variables.txt
# The author
AUTHOR=Johan
# The version
VERSION=1.2.3
templater template -f variables.txt
# variables.txt
# The author
AUTHOR=Johan
# The version
VERSION=1.2.3
# Don't print any warning messages:
templater template -f variables.txt -s
templater template -f variables.txt -s
See examples/