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Howdy,

Supposing I want to output the following code to the screen in a bash script, this works fine until you use variables as below, because the variable could be of any length, meaning the...

Thanks for taking the trouble to reply.
If anyone can think of any easy way to do what I want to do then let me know.
Curently traawling through the mountain of find and replace postings on the...

Thanks to all for posting.

Have ended up using this code, corona688's for time being.

if [[ "$STR" =~ ^[0-9][0-9][0-9]$ ]]
then
echo "Three digits"
fi



if [[ ! $inputPin =~...

Hi,

The following code finds the line containing fruits in test.txt and replaces instances of apple with banana.


ed -s test.txt <<< $'/fruits/s/apple/banana/g\nw'


What I want to do...

Hi,

I want to test a var, $inputPin to see if is 3 digits in a row or not in a Bash script.
I am getting stuck on the regex to do this.
And the equality test if it is in an if statement as...

Hi,

Thanks for your prompt reply.
You are right. should be charArray[$i]

cut -c$i seems obvious now. But I couldn't see it for the life of me at the time.

thanks again.

/N

Hi,

In the following bash code rather than cutting at a predefined character I would like to cut at position i (i var from loop).
Is this possible? I have tried eval, but either it's not possible...