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Replace awk -F based csv iteration by IFS + built-in for loop #175

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Replace awk -F based csv iteration by IFS + built-in for loop #175

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2c0eef8
Replace `awk -F` based csv iteration by IFS + built-in for loop
kkimurak Jul 16, 2025
420ce73
Fix IFS parsing
kkimurak Jul 31, 2025
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2 changes: 2 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -194,6 +194,8 @@ docker run --name postgresql -itd \

The above command enables the `unaccent` and `pg_trgm` modules on the databases listed in `DB_NAME`, namely `db1` and `db2`.

Each comma separated field can contain whitespace, allowing you to set arbitrary options (such as `CASCADE` ). For full syntax, refer official documentation about [CREATE EXTENSION](https://www.postgresql.org/docs/current/sql-createextension.html).

> **NOTE**:
>
> This option deprecates the `DB_UNACCENT` parameter.
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10 changes: 8 additions & 2 deletions runtime/functions
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Expand Up @@ -318,10 +318,13 @@ load_extensions() {
psql -U ${PG_USER} -d ${database} -c "CREATE EXTENSION IF NOT EXISTS unaccent;" >/dev/null 2>&1
fi

for extension in $(awk -F',' '{for (i = 1 ; i <= NF ; i++) print $i}' <<< "${DB_EXTENSION}"); do
local IFS_ORG=$IFS
IFS=,
for extension in ${DB_EXTENSION}; do
echo "‣ Loading ${extension} extension..."
psql -U ${PG_USER} -d ${database} -c "CREATE EXTENSION IF NOT EXISTS ${extension};" >/dev/null 2>&1
done
IFS=$IFS_ORG
}

create_database() {
Expand All @@ -331,7 +334,9 @@ create_database() {
echo "INFO! Database cannot be created on a $REPLICATION_MODE node. Skipping..."
;;
*)
for database in $(awk -F',' '{for (i = 1 ; i <= NF ; i++) print $i}' <<< "${DB_NAME}"); do
local IFS_ORG=$IFS
IFS=,
for database in ${DB_NAME}; do
echo "Creating database: ${database}..."
if [[ -z $(psql -U ${PG_USER} -Atc "SELECT 1 FROM pg_catalog.pg_database WHERE datname = '${database}'";) ]]; then
psql -U ${PG_USER} -c "CREATE DATABASE \"${database}\" WITH TEMPLATE = \"${DB_TEMPLATE}\";" >/dev/null
Expand All @@ -344,6 +349,7 @@ create_database() {
psql -U ${PG_USER} -c "GRANT ALL PRIVILEGES ON DATABASE \"${database}\" to \"${DB_USER}\";" >/dev/null
fi
done
IFS=$IFS_ORG
;;
esac
fi
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