Copy a certificate file as one line

[Aldo Bonelli]

Hi
i have a .cert file, i need to copy it as one line excluding the line begin and end file, how can i do?
i i select all the text when i paste it, i got only the first line
thanks

-----BEGIN CERTIFICATE-----
HHTRHTRHTRHFDHGDFGHTNJYTNHDFUNJMYDHFJMYHDFMHCVHBGVR
MRQwEgYDVQQDDAtHTRHTRHRTHTRHTRHTRHzA3MDdaFw0xOTAyMDgx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ògmfdlkbnmdkgfljbnmlkb/HxADGfF8a
1bYNPP2rZV9OSQJ/Yem3rvepXB/7IiInKhJ+zL9UkSNNHEnrEWshrCd4UktkkKXa
oq6hbHlXn0RM88CtrwaD/wRp1MQGtvxkLXoO1xPoWTWdHlui0Q0GVyJYHMRIq+3t
7CaJ1ROAHeHd3J8kKja1Pp7dfdafdfsdfsdfsfsdfsdfsdfsdfsdf/XIsjE+6uGi
D+L5C8XNpcRlnGMYHYPOEi4IBd1D1tyQzaiFikPsQ8aFkA==
-----END CERTIFICATE-----

[Scott Sumner]

@Aldo-Bonelli

Copy the text between the begin and end lines to a temporary edit buffer (i.e., do File (menu) -> New).

Then do Edit (menu) -> Blank Operations -> Remove Unnecessary Blank and EOL on that.

Next select all of it and copy it to where you need it as a single line.