read file twice

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use strict;

...

# deletes the connectorID file once its been used
unlink $filename;

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+---------------------+
| General manual list |
...
| gg              BU         scr 258    ky91-02        | abc123    2 |
+ def456    2 |    38 |
+---------------------------------------------------------------+-----
+------------+---------------+--------+

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abc123
def123 def456

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