CGIplus Variables (usage count 1)
-----------------
AUTH_TYPE=""
CONTENT_LENGTH="0"
CONTENT_TYPE=""
CSP_NONCE="c6549c4c76127f22777a9dec6545edf"
DOCUMENT_ROOT=""
GATEWAY_BG="BG1081:"
GATEWAY_EOF="$Z-202FB58EE7FA98B71624958C-"
GATEWAY_EOT="$D-2C6FDD1D20EB893ADBCED573-"
GATEWAY_ESC="$E-5AEAC4187E0C3F39CE3D85A6-"
GATEWAY_INTERFACE="CGI-PerlEx"
GATEWAY_MRS="16492"
HTTP_ACCEPT="*/*"
HTTP_ACCEPT_ENCODING="gzip, br, zstd, deflate"
HTTP_HOST="wasd.vsm.com.au"
HTTP_USER_AGENT="Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
KEY_1="this"
KEY_2="is"
KEY_3="a"
KEY_4="query"
KEY_5="string"
KEY_COUNT="5"
PATH_INFO="/wasd_root/src/perl/"
PATH_ODS="5"
PATH_TRANSLATED="WASD_ROOT:[src.perl]"
QUERY_STRING="this+is+a+query+string"
REMOTE_ADDR="3.16.148.128"
REMOTE_HOST="ec2-3-16-148-128.us-east-2.compute.amazonaws.com"
REMOTE_PORT="50801"
REMOTE_USER=""
REQUEST_METHOD="GET"
REQUEST_PROTOCOL="HTTP/1.1"
REQUEST_SCHEME="http:"
REQUEST_TIME_GMT="Sat, 18 May 2024 03:55:40 GMT"
REQUEST_TIME_LOCAL="Sat, 18 May 2024 13:25:40"
REQUEST_URI="/cgiplus-bin/CGIplusPM_example1.pl/wasd_root/src/perl/?this+is+a+query+string"
SCRIPT_FILENAME="CGI-BIN:[000000]CGIPLUSPM_EXAMPLE1.PL"
SCRIPT_NAME="/cgiplus-bin/CGIplusPM_example1.pl"
SERVER_ADDR="119.252.17.13"
SERVER_CHARSET="ISO-8859-1"
SERVER_GMT="+09:30"
SERVER_NAME="wasd.vsm.com.au"
SERVER_PORT="80"
SERVER_PROTOCOL="HTTP/1.1"
SERVER_SIGNATURE="<address>WASD/12.2.1 Server at wasd.vsm.com.au Port 80</address>"
SERVER_SOFTWARE="HTTPd-WASD/12.2.1 OpenVMS/IA64 SSL"
UNIQUE_ID="f65ba13a1b78f0651c3"
-----------------

Demonstrate that the CGIplus::var() function and $ENV associative array contents are identical ...

$ENV{'SCRIPT_NAME'}  |/cgiplus-bin/CGIplusPM_example1.pl|
CGIplus::var('SCRIPT_NAME')  |/cgiplus-bin/CGIplusPM_example1.pl|

$ENV{'PATH_INFO'}    |/wasd_root/src/perl/|
CGIplus::var('PATH_INFO'}    |/wasd_root/src/perl/|

$ENV{'QUERY_STRING'} |this+is+a+query+string|
CGIplus::var('QUERY_STRING') |this+is+a+query+string|

SERVER_SOFT does not exist and looks like an empty string ...
SERVER_SOFT ||

SERVER_SOFTWARE should exist ...
SERVER_SOFTWARE |HTTPd-WASD/12.2.1 OpenVMS/IA64 SSL|