[R] creating txt file from data.frame

[Taka Matzmoto]

R-users
I need to create a txt file as input for another program using data.frame 
values

     Variable_name               Start End
[1,] "aaaaaaaaaaaaa"           "1"   "1"
[2,] "bbbbbbbbbbb"           "2"   "2"
[3,] "ccccccccccccc"           "3"   "6"
[4,] "ddddddddddd"          "7"   "10"
[5,] "eeeeeeeeeee"         "11"  "16"


the text file should look like below,
if the start and the end is the same, only put the start one in the txt 
file.

aaaaaaaaaaaaa 1
bbbbbbbbbbb 2
ccccccccccccc 3-6
ddddddddddd 7-10
eeeeeeeeeee 11-16

Any help will be appreciated.

Taka,

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