linux source env file
set -a
. ./env.txt
set +alinux source env file
set -a
. ./env.txt
set +alinux source env file
# The problem with source is that it requires the file to have a proper bash syntax, and some special characters will ruin it: =, ", ', <, >, and others. So in some cases you can just
source development.env
# But This version, however, withstands every special character in values:
set -a
source <(cat development.env |
sed -e '/^#/d;/^s*$/d' -e "s/'/'\''/g" -e "s/=(.*)/='1'/g")
set +a
# Explanation:
# -a means that every bash variable would become an environment variable
# /^#/d removes comments (strings that start with #)
# /^s*$/d removes empty strings, including whitespace
# "s/'/'\''/g" replaces every single quote with ''', which is a trick sequence in bash to produce a quote :)
# "s/=(.*)/='1'/g" converts every a=b into a='b'
# As a result, you are able to use special characters :)
To debug this code, replace source with cat and you'll see what this command produces.show env in bash
#show all variable
printenv
#result one variable
echo $LOCALAPPDATAlinux source env file
export $(xargs < .env)
# Explanation
# When we have a .env file like this:
key=val
foo=barlinux source env file
# convenience command to prepend export to the beginning of
awk '{print "export " $0}' envfileCopyright © 2021 Codeinu
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