Shell Programming and Scripting

<AgreementNumberFull>13-WY-84252</AgreementNumberFull>
<AgreementNumberAbbr>WY84252</AgreementNumberAbbr>
<LineOfBusiness>F</LineOfBusiness>
<CompanyCode>0005</CompanyCode>
<UniqDigit/>
<StateCode/>

13-WY-84252
WY84252
F
0005
0
0.

awk -F'<|>' '{$0=$3}$0==""{$0=0}1' infile

 cat test.txt |awk -F '>' '{print $2}' | awk -F '<'  '{ if (  $2 == "" ) print "0";else print $1 }'

#!/bin/sh 
cat test.txt | awk -F '>' '{print $2}' | awk -F '<'  '{ if (  $2 == "" ) print "0";else print $1 }'

awk: syntax error near line 1
awk: bailing out near line 1
awk: syntax error near line 1
awk: bailing out near line 1

$ uname -a
Linux  x86_64 x86_64 x86_64 GNU/Linux
$ cat test.txt |awk -F '>' '{print $2}' | awk -F '<'  '{ if (  $2 == "" ) print "0";else print $1 }'
13-WY-84252
WY84252
F
0005
0
0

# uname -a
SunOS tc95air3 5.10 Generic_139555-08 sun4u sparc SUNW,Sun-FireV-245