DNA --> cDNA --> mRNA Transcription

local tArgs = {...}
sDNA = tArgs[1]

local function printUsage()
    print("Usage: ")
    print(shell.getRunningProgram().." <DNA Sequence>")
    print("The DNA Sequence will be transcribed into a cDNA sequence, and mRNA sequence.")
end

if #tArgs < 1 or sDNA == "usage" then
    printUsage()
    return false
end

write("Transcribing.")
sleep(0.67)
scDNA = string.gsub(sDNA:lower(),"c","~")
scDNA = string.gsub(sDNA:lower(),"g","c")
scDNA = string.gsub(sDNA:lower(),"~","g")
scDNA = string.gsub(sDNA:lower(),"t","=")
scDNA = string.gsub(sDNA:lower(),"a","t")
scDNA = string.gsub(sDNA:lower(),"=","a")
sleep(0.4)
write(" .")
smRNA = string.gsub(scDNA:lower(),"t","u")
sleep(0.6)
write(" .")
sleep(0.36)
term.clearLine()
sleep(0.32)
print(scDNA:upper().." (cDNA)")
print()
print(scDNA:upper().." (mRNA)")