Why do two conditions work at once in Cron?

Question

linux

Hello.
OS UBUNTU 16.04
There is a script:

#!/bin/sh
old_info="156387"
new_info="156390"
echo ${old_info}
echo ${new_info}
if [ "$old_info" != "$new_info" ]; then
sh /bash1/do.sh
else echo "Do nothing"
fi

In the crone it looks like this:
*/1 * * * * sh /bash1/dyn/ip.sh
When manually launched from the terminal - everything works fine - if the data differs - the second script is launched. In the crown, regardless of the input data, the launch of the second script is triggered.
What am I doing wrong? =) Thanks and help

Answer 1

Show exactly how you supply the input data.
There is a suspicion that you do not know the meaning of the export command, and in fact you have two empty variables in comparison (which are equal)