How to expand shell variables in a text file?

Question

Consider a ASCII text file (lets say it contains code of a non-shell scripting language):

Text_File.msh:

spool on to \'$LOG_FILE_PATH/lo         


        

Answer 1

Yes eval should be used carefully, but it provided me this simple oneliner for my problem. Below is an example using your filename:

eval "echo \"$(

I use printf instead of echo for my own purposes, but that should do the trick. Thank you abyss.7 providing the link that solve my problem. Hope it helps.