Documentation appendix:reference:envvar https://www.omnidex.com/docs/v54/ 2026-04-29T21:51:48+0000 Documentation https://www.omnidex.com/docs/v54/ https://www.omnidex.com/docs/v54/lib/tpl/simple/images/favicon.ico text/html 2016-06-28T22:38:51+0000 Anonymous (anonymous@undisclosed.example.com) appendix:reference:envvar:home https://www.omnidex.com/docs/v54/doku.php?id=appendix:reference:envvar:home&rev=1467153531&do=diff Appendix: Reference Environment Variables Overview | Environment Variables | Shell Scripts | Uses | Reserved Variables ---------- Overview Omnidex supports the use of environment variables and shell scripts in several locations within the product. This allows some aspects of the metadata to be based upon the calling environment rather than always being explicitly stated in the Omnidex Environment File or the Omnidex SQL statements. This is useful for many different scenarios: text/html 2016-06-28T22:38:51+0000 Anonymous (anonymous@undisclosed.example.com) appendix:reference:envvar:reserved https://www.omnidex.com/docs/v54/doku.php?id=appendix:reference:envvar:reserved&rev=1467153531&do=diff Appendix: Reference Environment Variables Overview | Environment Variables | Shell Scripts | Uses | Reserved Variables ---------- Reserved Environment Variables Omnidex reserves some environment variables for its own use. Some of required, but most are optional. These variables either point to the location of the software or configure aspects of the software. text/html 2016-06-28T22:38:51+0000 Anonymous (anonymous@undisclosed.example.com) appendix:reference:envvar:shell https://www.omnidex.com/docs/v54/doku.php?id=appendix:reference:envvar:shell&rev=1467153531&do=diff Appendix: Reference Environment Variables Overview | Environment Variables | Shell Commands | Uses | Reserved Variables ---------- Shell Commands Omnidex allows shell commands to be used in place of environment variables as well. This allows for the use of shell scripts, regular expressions or other commands to be used when constructing a value. This can be especially helpful for externalizing the metadata. text/html 2016-06-28T22:38:51+0000 Anonymous (anonymous@undisclosed.example.com) appendix:reference:envvar:uses https://www.omnidex.com/docs/v54/doku.php?id=appendix:reference:envvar:uses&rev=1467153531&do=diff Appendix: Reference Environment Variables Overview | Environment Variables | Shell Scripts | Uses | Reserved Variables ---------- Uses of Environment Variables and Shell Commands Environment variables and shell commands can be used in many locations in the Omnidex product. In most cases, environment variables and shell commands can be used whenever a filename can be referenced in the Omnidex product. Environment variables and shell commands can also be used in CREATE statements that gene… text/html 2016-06-28T22:38:51+0000 Anonymous (anonymous@undisclosed.example.com) appendix:reference:envvar:variables https://www.omnidex.com/docs/v54/doku.php?id=appendix:reference:envvar:variables&rev=1467153531&do=diff Appendix: Reference Environment Variables Overview | Environment Variables | Shell Scripts | Uses | Reserved Variables ---------- Environment Variables Omnidex allows environment variables to be used in several locations within the product. The general syntax for environment variables differs between Microsoft Windows and Linux, and so Omnidex provides a common syntax that can be used on all platforms.