$output = `command`;
#         ^       ^
#         |       |

[download]
The quotes around command are backticks (ASCII 96, hex 60), not single quotes.

As an alternative, you may use 

$output = qx(command);

[download]

In reply to Re: Re: Re: executing commands and getting output by rnahi
in thread executing commands and getting output by tja_ariani

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