Create a Graph with only one set of data? Threw serial

I feel this is a simple question, but I am over thinking it. I am trying to make a program that takes data that is sent threw serial Rs232 from a device, and put that data both into a file and display a live graph of the data (saving the graph would also be great). The devise is strait forward it gives me data when it is don't making the test. After it has the data is sends it and it is always in this form, (ignore Quotes) "[ 122.8 PSI     ]' where "122.8" will always be 5 characters and the decimal point stays the same.
I would like to take Ex. 122.8 and plot that on y and use the line number from the text file as the x value. How can this be achieved?
Currently I am displaying the values in a list because I can't figure the graph out. But attached is my messy code and a sample of data that gets sent.
P.S.. The data list can get as long as 2000 or more.
    side question... when the program is built into an EXE when using serial, can the user change what port?
Attachments:
test 1.vi ‏20 KB
test 1.txt ‏1 KB
test 1 graph.txt ‏1 KB

Well, that's called Rube Golberg code.
All that you have to do is convert the string to a numeric (i.e. a single Scan From String not your match pattern functions) and wire it to a chart. The chart's x axis by default will increment by 1 with each sample written so reading the x axis from file is silly. Be sure to set the chart history. Since you are already writing the data to file, why write it again? Either write the full string or just the value. Your second while loop becomes unnecessary and if for some reason you needed it, it would only record the very last value.
Don't open the file with each iteration. Place that outside the loop.
You might want to take the free LabVIEW tutorials.

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    Why won't my iMessage work with only one contact in my phone all my other iMessages send and they just got an iphone but all their iMessages are sending also. I've tried restarting my phone, deleting messages, contact, restarting network

    Hello Jesslb23,
    Thanks for using Apple Support Communities.
    For more information on this, take a look at:
    iOS: Troubleshooting Messages
    http://support.apple.com/kb/ts2755
    To resolve issues with sending and receiving iMessages, follow these steps first
    Check iMessage system status for current service issues.
    Go to Settings > Messages > Send & Receive and make sure that you have registered iMessage with your phone number or Apple ID and that you have selected iMessage for use. Learn more about troubleshooting iMessage registration if the phone number or Apple ID isn't available for use.
    Open Safari and navigate to www.apple.com to verify data connectivity. Learn more about troubleshootingcellular data or a Wi-Fi connection if a data connection isn't available.
    iMessage over cellular data might not be available while on a call. Only 3G and faster GSM networks support simultaneous data and voice calls. Learn more about which network your phone supports. Go to Settings > Wi-Fi and turn Wi-Fi on to use iMessage while on a call if your network doesn't support simultaneous data and voice calls.
    Restart your device.
    Tap Settings > General > Reset > Reset Network Settings on your iPhone.
    If you are still unable to send or receive an iMessage, follow these steps
    Make sure that the contact trying to message you isn't blocked in Settings > Messages > Blocked.
    Verify that the contact you are attempting to send a message to is registered with iMessage.
    If the issue occurs with a specific contact or contacts, back up or forward important messages and delete your current messaging threads with the contact. Create a new message to the contact and try again.
    If the issue occurs with a specific contact or contacts, delete and re-create the contact in the Contacts application. Create a new message to the newly created contact and try again.
    Back up and restore your device as new.
    Best of luck,
    Mario

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