...

# define modules runtime quarantine configuration
set env(MODULES_RUN_QUARANTINE) "LD_LIBRARY_PATH LD_PRELOAD"

# setup quarantine if defined
set _mlre {}; set _mlv ""; set _mlrv "";
if {[info exists env(MODULES_RUN_QUARANTINE)]} {
   foreach _mlv [split $env(MODULES_RUN_QUARANTINE) " "] {
     if {[regexp {^[A-Za-z_][A-Za-z0-9_]*$} $_mlv]} {
        if {[info exists env($_mlv)]} {
           lappend _mlre "__MODULES_QUAR_${_mlv}=$env($_mlv)"
        }
        set _mlrv "MODULES_RUNENV_${_mlv}"
        if {[info exists env($_mlrv)]} {
           lappend _mlre "${_mlv}=$env($_mlrv)"
        } else {
           lappend _mlre "${_mlv}="
        }
     }
   }
   if {[llength $_mlre] > 0} {
     lappend _mlre "__MODULES_QUARANTINE_SET=1"
     set _mlre [linsert $_mlre 0 "env"]
   }
}

# define module command and surrounding initial environment (default value
# for MODULESHOME, MODULEPATH, LOADEDMODULES and parse of init config files)
eval [exec {*}$_mlre {/usr/bin/tclsh}\
   {/usr/share/Modules/libexec/modulecmd.tcl} tcl autoinit 2>@stderr]

# clean temp variables used to setup quarantine
unset _mlre _mlv _mlrv

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..	Edit
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