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Herbert Greenlee, 01/05/2015 02:42 PM
The experiment environment setup script¶
Every experiment has a script for initializing its standard software environment. This script may do any or all of the following things.
- Initialize ups products system and products areas.
- Set up some basic ups products.
- Set environment variables.
This section the recommended way of writing this script.
Initializing ups¶
After initializing ups, the following should be the case:
- The executable
ups
should be on the execution path. - Command or alias
setup
should be defined. - The products path (environment variable
PRODUCTS
) should be defined as a colon-separated list of ups products areas.
With respect to the last point, the $PRODUCTS
path may include the following ups products areas (in order).
- Experiment-specific products (e.g.
/grid/fermiapp/products/uboone
). - Larsoft products (for larsoft experiments, e.g.
/grid/fermiapp/products/larsoft
). - Fermilab common products (e.g.
/grid/fermiapp/products/common/db
).
Generally, ups is initialized by sourcing a script called "setups
" (or "setups.sh
" or "setups.csh
", etc.) from some standard place. It is acceptable to source multiple "setups
" scripts from multiple products areas, as well as extending the products path to include additional products areas manually.