Agenda for Lmod Zoom Mtg on Jan. 10th 2023

• Q/A
• TCL module support for break, help msg, puts
• Next Meeting Feb 14th at 9:30 Central (15:30 UTC)
• Next Topic: How to use check_module_tree_syntax to verify your module tree.

Attending

• Robert McLay (TACC)
• Kenneth Hoste (HPC-UGent, Belgium)
• Sebastian Moretti (SIB, Switzerland)
• Matthew Cawood (TACC)
• Virginia Williams (UNC Chapel Hill)

Notes

• recent discussions on Lmod-users mailing list / GitHub issues
  • problem on openSUSE Tumbleweed (https://github.com/TACC/Lmod/issues/620)
  • stack overflow issue (
  • https://sourceforge.net/p/lmod/mailman/lmod-users/thread/87y1qj3888.fsf%40hornfels.zedat.fu-berlin.de/#msg37756388)
    • due to adding current $MODULEPATH to $MODULEPATH
    • no reproducer yet
  • different results depending on Tcl or Lua module files (@ NCAR)
    • cfr. https://github.com/TACC/Lmod/issues/618
  • Should module aliases be dereferenced on listing?
    • cfr. https://github.com/TACC/Lmod/issues/617
    • how should module aliases be represented in 'module list' and 'ml --terse output'
• presentation "How TCL break, puts & help message are handled by Lmod"
  • slides available at https://github.com/TACC/Lmod/blob/main/my_docs/23/lmod_zoom_mtg_2023_01_10/presentation.pdf
  • question by Matt: why can't all files be evaluated the same way (module files, .version, .modulerc, etc.)
    • unclear what some statement's would mean (like 'module-version' in a regular module file, setenv in .version, etc.)
    • related issue: https://github.com/TACC/Lmod/issues/614
  • support for 'break' statement in Tcl module file is handled in 3 different ways by Tmod 3.x/4.x and Lmod
    • running example: module load A B C_with_break D
    • Tmod 3.x stops once break in C_with_break is hit (A B get loaded) (?)
    • Tmod 4.x treats break as an error, so cancels the whole operation (no changes made to environment)
    • Lmod loads A B D, ignores everything in C_with_break
• next meetings
  • Tue 14 Feb 2023 at 9:30 US Central (15:30 UTC)
  • Tue 7 Mar 2023 (before switch to Summer Time)