Use sed to add comma to end of first field

Hello,

I run F12. Since some days my laptop has become very sluggish. In Mozilla, switching between the tabs takes like seconds instead of fraction of a second. Also minimizing and mximizing windows takes long. Switching between the windows too takes long. Now I can't see the cursor while typing this post.

Code: 1      Petras          Pavardenis      1980            5 08      Linas          Bajoriunas      1970            10 3      Saulius        Matikaitis      1982  &

Code: Kernel  71.0  |####################      |  Reads    12532  Rawin        0 User    17.5  |######                      |  Writes    1179  Ttyout    1376 Wait    10.0  |####       

Dear All,

I have file : input.txt

Code: HANDVEL 2201181                                                1000      180      19      1540    173    1581    316    1652    509&n

Input File

PHP Code:

            science        mathstom                2        3peter           &nbs

I have an input like following.

Code:   *DEFINE_CURVE_TITLE Force for tool binder $#    lcid      sidr      sfa        sfo              offa                  offo      dattyp           3    &nbs

Hi,

I have a csv file which contains data that looks something like this:

Code: Key1 Key2 Key3 New_Key1 New_Key2 New_Key3 102  30      0        -                -                  - 102  40      1        30    &nbsp

I have a data file like this:

HTML Code: 49960        1157        32390        1227        1268                31                8                21 12           

PHP Code:

        #include  /*  * Your warranty is now void.  *  * I am not responsible for bricked devices, dead SD cards,  * thermonuclear war, or you getting