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March 13, 2022 23:24
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standard-bash-script-header.sh
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# See: https://stackoverflow.com/questions/59895/how-to-get-the-source-directory-of-a-bash-script-from-within-the-script-itself | |
# Note: you can't refactor this out: its at the top of every script so the scripts can find their includes. | |
SOURCE="${BASH_SOURCE[0]}" | |
while [ -h "$SOURCE" ]; do # resolve $SOURCE until the file is no longer a symlink | |
DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )" | |
SOURCE="$(readlink "$SOURCE")" | |
[[ $SOURCE != /* ]] && SOURCE="$DIR/$SOURCE" # if $SOURCE was a relative symlink, we need to resolve it relative to the path where the symlink file was located | |
done | |
SCRIPT_DIR="$( cd -P "$( dirname "$SOURCE" )" >/dev/null 2>&1 && pwd )" | |
function log() { | |
echo "$*" 1>&2 | |
} | |
function fatal() { | |
echo "$*" 1>&2 | |
exit 1 | |
} |
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