template-replace

template-replace

Usage: cat {input-file} | ./template-replace --key val --key2 val2 ... > {output-file}

usage

app.conf.template

[section]
location=${location}

command-line

cat app.conf.template | ./template-replace --location "/opt/program/" > build/app.conf 

build/app.conf

[section]
location=/opt/program

configurations

$TEMPLATE_REPLACE_STYLE

cat input | TEMPLATE_REPLACE_STYLE="DEFAULT" ./template-replace --key value > output

styles:

• DEFAULT/BASH
  • ${key}
• DOUBLE
  • {{key}}
• SINGLE
  • {key}

(sub)command execution

you can directly invoke commands and insert the output into the template

note: you can't use formatter on the output

${$:echo "Hello World"}

variables

There are certain default variables

name	value
today	date today as iso-format string
now	time now as iso-format string

otherwise you can use shell variables (${$shell-variable})

or variables provided via --key value as command-line arguments

formatting

you can specify a formatting option with ${key:fmt opt1 opt2 ...}

formatting options:

escape

Escapes special characters ("|'|\t|\n|...) in a string.

${key:escape}

date

Format the value to a date

The value can either be a timestamp or either $TEMPLATE_REPLACE_STRPTIME (if available) or iso-format

${key:date [fmt]}

See here for information about the format.

align

${key:align left|center|right size [fillchar]}

dedent

Removes any common leading whitespace from every line in the text.

${key:dedent}

indent

Adds 'prefix' to the beginning of every line in the text.

${key:indent [prefix]}

trim

removes spaces and newlines on both sides or left/right

${key:trim [left|both|right]}

ltrim

removes spaces and newlines one the left side

Alias for ${key:trim left}

${key:ltrim}

rtrim

removes spaces and newlines one the right side

Alias for ${key:trim right}

${key:rtrim}