Configure enclosure escape character

#!/bin/bash

#
# This script is an "out of the box" script that goes through
# Login and configure the enclosure escape character using PUT /file-metadata API
# with the authentication token from Login.
# User need to set DOUBLE_ENCLOSURE, CUSTOM_ENCLOSURE_ESCAPE_CHARACTER and RULESET_ID accordingly
#

source apiHostInfo
eval $(cat loginCredentials)
source helpers

login

# Set DOUBLE_ENCLOSURE=true if you want to set enclosure escape character same as enclosure character,
# and if DOUBLE_ENCLOSURE=true then CUSTOM_ENCLOSURE_ESCAPE_CHARACTER value will be ignored.
DOUBLE_ENCLOSURE=true
# Replace * with your custom escape character if you want to set custom enclosure escape character
# and also DOUBLE_ENCLOSURE=false need to set
CUSTOM_ENCLOSURE_ESCAPE_CHARACTER="\"*\""
# Comment this RULESET_ID if you want to update for all delimited file ruleset for which enclosure is defined.
#RULESET_ID=1

echo "Calling GET /file-metadata API"
if [[ -z "$RULESET_ID" ]] || [ "$RULESET_ID" = "null" ] || [ "$RULESET_ID" = "" ]; then
   FILE_METADATA_RESPONSE=$(curl $SSL_CERT -X GET -H ''"$AUTH_HEADER"'' -H 'Accept: application/json' ''"$MASKING_ENGINE/file-metadata"'')
else
   FILE_METADATA_RESPONSE=$(curl $SSL_CERT -X GET -H ''"$AUTH_HEADER"'' -H 'Accept: application/json' ''"$MASKING_ENGINE/file-metadata?ruleset_id=$RULESET_ID"'')
fi

i=0
while true; do
   ENCLOSURE=$(jq '.responseList['$i'] .enclosure' <<<"$FILE_METADATA_RESPONSE")

   if [ "$DOUBLE_ENCLOSURE" = true ]; then
      CUSTOM_ENCLOSURE_ESCAPE_CHARACTER=$ENCLOSURE
   fi

   UPDATED_FILE_METADATA_RESPONSE=$(jq '.responseList['$i'] .enclosureEscapeCharacter='$CUSTOM_ENCLOSURE_ESCAPE_CHARACTER'' <<<"$FILE_METADATA_RESPONSE")
   FILE_METADATA_RESPONSE=$UPDATED_FILE_METADATA_RESPONSE
   FILE_METADATA_OBJECT=$(jq '.responseList['$i']' <<<"$FILE_METADATA_RESPONSE")
   FILE_METADATA_ID=$(jq '.responseList['$i'] .fileMetadataId' <<<"$FILE_METADATA_RESPONSE")

   if [[ -z "$FILE_METADATA_ID" ]] || [ "$FILE_METADATA_ID" = "null" ]; then
      break
   else
      if [[ ! -z "$ENCLOSURE" ]] && [ ! "$ENCLOSURE" = "null" ] && [ ! "$ENCLOSURE" = "" ]; then
         echo "Calling $MASKING_ENGINE/file-metadata/$FILE_METADATA_ID API to update enclosure escape character=$CUSTOM_ENCLOSURE_ESCAPE_CHARACTER"
         UPDATE_RESPONSE=$(curl $SSL_CERT -X PUT -H ''"$AUTH_HEADER"'' -H 'Content-Type: application/json' -H 'Accept: application/json' -d ''"$FILE_METADATA_OBJECT"'' ''"$MASKING_ENGINE/file-metadata/$FILE_METADATA_ID"'')
         check_error "$UPDATE_RESPONSE"
      fi
   fi
   ((i++))
done

echo