Creating bash file that changes decimal to binary using obase

[hayloiuy]

#!/bin/bash

echo 'obase=2;10'|bc 

current_version=$1
echo $current_version

echo   'obase=2; $current_version'|bc    > BinVer.txt

What is the problem? The terminal tells me the $ sign is illegal. Help?

[LSalab]

#!/bin/bash

echo 'obase=2;10'|bc 

current_version=$1
echo $current_version

echo   'obase=2; $current_version'|bc    > BinVer.txt

What is the problem? The terminal tells me the $ sign is illegal. Help?

Your problem seems to be the single quotes in the echoes, try this:

#!/bin/bash

echo "obase=2;10" | bc 

current_version=$1
echo $current_version

echo "obase=2; $current_version" | bc > BinVer.txt