Populating Tables With CSV Data Via Sideband Connections

Because of some errors [use curly braces to avoid double substitution] like the ones in https://support.f5.com/csp/article/K57410758 I have replaced line 29, 62 and 63.

Old code:

if { [expr [clock seconds]-$last_refresh] > $static::db_cache_timeout } {

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set key [string range $field 0 [expr $sep_offset - 1]]

set value [string range $field [expr $sep_offset + 1] end]

New code:

   set time_now [clock seconds]

   set test_var [expr {${time_now} - ${last_refresh}}]

   if { ${test_var} > ${static::db_cache_timeout} } {

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                           set key [string range $field 0 [expr {${sep_offset} - 1}]]

                           set value [string range $field [expr {${sep_offset} + 1}] end]