Shell Programming and Scripting

 
<INPUT VAR1 ="" DATATYPE ="number(p,s)" VAR2 ="" VAR3 ="3" VAR4="0" VAR5 ="ELEMITEM" VAR6 ="NO" VAR7 ="NOT A KEY" VAR8 ="17" LEVEL ="0" NAME ="UNIX" NULLABLE ="NOTNULL" OCCURS ="0" OFFSET ="19" LENGTH ="15" PHYSICALOFFSET ="29" PICTURETEXT ="" PRECISION ="15" SCALE ="0" USAGE_FLAGS =""/>

 
while read line
do
var_len=`echo $line | awk -F\" '/^ *=/{print $2}' RS=LENGTH`
done < $file

-bash: syntax error near unexpected token `('

sed 's/.*LENGTH *="\([0-9]*\).*/\1/' file

#cat $file
<INPUT VAR1 ="" DATATYPE ="number(p,s)" VAR2 ="" VAR3 ="3" VAR4="0" VAR5 ="ELEMITEM" VAR6 ="NO" VAR7 ="NOT A KEY" VAR8 ="17" LEVEL ="0" NAME ="UNIX" NULLABLE ="NOTNULL" OCCURS ="0" OFFSET ="19" LENGTH ="15" PHYSICALOFFSET ="29" PICTURETEXT ="" PRECISION ="15" SCALE ="0" USAGE_FLAGS =""/>
#while read line; do var_len=`echo $line | awk -F\" '/^ *=/{print $2}' RS=LENGTH`; echo $var_len;done < $file
15
#awk -F\" '/^ *=/{print $2}' RS=LENGTH  $file
15

awk -F'[=" ]' '{for(x=y;x++<NF;){if($x=="LENGTH")print $(x+3)}}' file

Linux xxxxxxxx 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux

while read line
do
var_len=`echo "$line" | awk -F\" '/^ *=/{print $2}' RS=LENGTH`
done < $file