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In your example, below works just fine:
grep apple fruitsfile | awk '{FS=":";print "Fruit: "$1"\nColor: "$2"\nPrice: "$3"\nOrigin: "$4}'

Try this:
sed -e 's/^\/var/rm &/g' <file>

Try this:
if [ $servertime -eq $logtime ] && [ `expr $time1 - $time2` -gt 5 ]

Also, get rid of single quotes ' inside if condition.
Whenever single quotes are used, variable is not replaced by its value.
So in you code, it will never go to else part irrespective of the...

try this:

for i in {1..$#}
do
eval echo $`echo $i`
done

You can find you starting point and add 86400 to it for every 12 hours like this:
for example epoch time for 4/8/2013 10:00:00 GMT is 1365415200

Like below in Shell script:

FTime=1365415200 ...

try egrep ' [A-Z][A-Z][A-Z][A-Z]TX[A-Z]* ' <file_name>