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Read YAML file from Bash script
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development: | |
adapter: mysql2 | |
encoding: utf8 | |
database: my_database | |
username: root | |
password: |
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#!/bin/sh | |
parse_yaml() { | |
local prefix=$2 | |
local s='[[:space:]]*' w='[a-zA-Z0-9_\.]*' fs=$(echo @|tr @ '\034') | |
sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \ | |
-e "s|^\($s\)\($w\)$s:$s\(.*\)$s\$|\1$fs\2$fs\3|p" $1 | | |
awk -F$fs '{ | |
indent = length($1)/2; | |
vname[indent] = $2; | |
for (i in vname) {if (i > indent) {delete vname[i]}} | |
if (length($3) > 0) { | |
vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")} | |
printf("%s%s%s=\"%s\"\n", "'$prefix'",vn, $2, $3); | |
} | |
}' | |
} |
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#!/bin/sh | |
# include parse_yaml function | |
. parse_yaml.sh | |
# read yaml file | |
eval $(parse_yaml config.yml "config_") | |
# access yaml content | |
echo $config_development_database |
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