This topic discusses pre-defined and custom shell variables in gfsh, the VMware Tanzu GemFire command-line interface.
You can use the pre-defined gfsh shell variables in scripts.
You can also use the set variable command to modify shell behavior or to define your own variables.
To see a list of all gfsh shell variables and their current values, use the following command:
gfsh>echo --string=$*
To obtain the current value of an existing variable, use the following command syntax (the variable must be enclosed in braces):
gfsh>echo --string=${VARIABLE}
For example:
gfsh>echo --string=${SYS_CLASSPATH}
System Variables
| SYS_CLASSPATH | CLASSPATH of the gfsh JVM (read only). |
| SYS_GEMFIRE_DIR | Product directory where Tanzu GemFire has been installed (read only). |
| SYS_HOST_NAME | Host from which gfsh is started (read only). |
| SYS_JAVA_VERSION | Java version used (read only). |
| SYS_OS | OS name (read only). |
| SYS_OS_LINE_SEPARATOR | Line separator (\ or ^) variable that you can use when writing gfsh scripts. (read only). |
| SYS_USER | User name (read only). |
| SYS_USER_HOME | User’s home directory (read only). |
GFSH Environment Variables
| APP_FETCH_SIZE | Fetch size to be used while querying. Values: 0 - 2147483647. Default value is 100. |
| APP_LAST_EXIT_STATUS | Last command exit status. Similar to $? (Unix) and %errorlevel% (Windows). Values: 0 (successful), 1 (error), 2 (installation failure). |
| APP_LOGGING_ENABLED | Whether gfsh logging is enabled. Default: false (read only). You can enable gfsh logging by setting the gfsh.log-level Java system property to a supported Java log level. |
| APP_LOG_FILE | Path and name of current gfsh log file (read only). |
| APP_NAME | Name of the application– “gfsh” (read only). |
| APP_PWD | Current working directory where gfsh was launched (read only). |
| APP_QUERY_RESULTS_DISPLAY_MODE | Toggle the display mode for returning query results. Values: table or catalog. Default value is table. |
| APP_QUIET_EXECUTION | Whether the execution should be in quiet mode. Values (case insensitive): true, false. Default value is false. |
| APP_RESULT_VIEWER | Unix only. Set this variable to external to enable viewing of the output using the UNIX less command. Default value is basic (gfsh). |
