fix: revert to platform agnostic IFS approach, delete unnecessary comments

op-challenger/scripts/alphabet/init_game.sh

@@ -34,10 +34,7 @@ echo " Block Oracle Proxy at $BLOCK_ORACLE_PROXY"
 echo "----------------------------------------------------------------"
 
 CHARLIE_ADDRESS="0xF45B7537828CB2fffBC69996B054c2Aaf36DC778"
-# CHARLIE_KEY="74feb147d72bfae943e6b4e483410933d9e447d5dc47d52432dcc2c1454dabb7"
-
 MALLORY_ADDRESS="0x4641c704a6c743f73ee1f36C7568Fbf4b80681e4"
-# MALLORY_KEY="28d7045146193f5f4eeb151c4843544b1b0d30a7ac1680c845a416fac65a7715"
 
 echo "----------------------------------------------------------------"
 echo " - Fetching balance of the sponsor"

op-challenger/scripts/list_claims.sh

@@ -11,9 +11,11 @@ echo "Claim count: ${COUNT}"
 for i in $(seq 0 "${COUNT}")
 do
   CLAIM=$(cast call --rpc-url "${RPC}" "${GAME_ADDR}" 'claimData(uint256) returns(uint32 parentIndex, bool countered, bytes32 claim, uint128 position, uint128 clock)' "${i}")
-  # Use read -ra to safely split the string into an array named CLAIM, assuming
-  # data is newline-separated.
-  IFS=$'\n' read -ra CLAIM <<< "$CLAIM"
+  SAVEIFS=$IFS   # Save current IFS (Internal Field Separator)
+  IFS=$'\n'      # Change IFS to newline char
+  # shellcheck disable=SC2206
+  CLAIM=($CLAIM) # split the string into an array by the same name
+  IFS=$SAVEIFS # Restore original IFS
 
   echo "${i}  Parent: ${CLAIM[0]} Countered: ${CLAIM[1]} Claim: ${CLAIM[2]} Position: ${CLAIM[3]} Clock ${CLAIM[4]}"
 done

op-challenger/scripts/list_games.sh

@@ -15,9 +15,11 @@ fi
 for i in $(seq 0 "${COUNT}")
 do
   GAME=$(cast call --rpc-url "${RPC}" "${FACTORY_ADDR}" 'gameAtIndex(uint256) returns(uint8, uint64, address)' "${i}")
-  # Use read -ra to safely split the string into an array named GAME, assuming
-  # data is newline-separated.
-  IFS=$'\n' read -ra GAME <<< "$GAME"
+  SAVEIFS=$IFS   # Save current IFS (Internal Field Separator)
+  IFS=$'\n'      # Change IFS to newline char
+  # shellcheck disable=SC2206
+  GAME=($GAME) # split the string into an array by the same name
+  IFS=$SAVEIFS   # Restore original IFS
 
   GAME_ADDR="${GAME[2]}"
   CLAIMS=$(cast call --rpc-url "${RPC}" "${GAME_ADDR}" "claimDataLen() returns(uint256)")