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We use the following to remove PID:2 (HNE #) from the HIS.
######################################################################
# Name: remove_hne_fld.tcl
# Purpose:
# Removes PID:2 from PID segment
# Removes MRG:4 from A34 and A36 messages
#
# UPoC type: Pre Xlate
# Args: tps keyedlist containing the following keys:
# MODE run mode (“start”, “run” or “time”)
# MSGID message handle
# ARGS user-supplied arguments:
#
# Returns: tps disposition list:
# CONTINUE – Message was processed normally – continue into engine.
# ERROR – Message processing failed – put message into the error db.
#
#####################################################################
proc remove_hne_fld { args } {
global HciConnName
keylget args MODE mode ;# Fetch mode
keylget args CONTEXT context ;# Fetch context
if { ! [info exists HciConnName] } {
set HciConnName “UNKNOWN_TD”
}
set dispList {} ;# Nothing to return
switch -exact — $mode {
start {
# Perform special init functions
# N.B.: there may or may not be a MSGID key in args
}
run {
keylget args MSGID mh ;# Fetch the MSGID
set msg [msgget $mh] ;# Get the Message Handle
set field_sep [csubstr $msg 3 1] ;# HL7 field separator
set sub_sep [csubstr $msg 4 1] ;# HL7 subfield separator
# Cycle through message and retrieve PID segment.
set segmentList [split $msg r]
foreach segment $segmentList {
if [cequal [crange $segment 0 2] PID] {
set fieldList [split $segment $field_sep]
# Set PID-2 variable
set pid_2 {}
# Remove PID-2 value
catch {set fieldList [lreplace $fieldList 2 2 $pid_2]}
set segment [join $fieldList $field_sep]
}
if [cequal [crange $segment 0 2] MRG] {
set fieldList [split $segment $field_sep]
# Set MRG-4 variable
set mrg_4 {}
# Remove MRG-4 value
catch {set fieldList [lreplace $fieldList 4 4 $mrg_4]}
set segment [join $fieldList $field_sep]
}
append outbuf ${segment}r
}
set outbuf [string trimright $outbuf “r”]
set outbuf “$outbufr”
msgset $mh $outbuf
lappend dispList “CONTINUE $mh”
}
shutdown {
# Doing some clean-up work
}
time {
# Timer-based processing
# N.B.: there may or may not be a MSGID key in args
}
default {
error “Unknown mode ‘$mode’ in remove_hne_fld”
}
}
return $dispList
}
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