Uuencode

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This is technique is useful to embed a binary file on a script. First ensure to have the proper package installed

yum -y install sharutils

How to encode binary files to text

Execute the following command

/usr/bin/uuencode /path/to/binary/file -
Note the hyphen at the end of the command

How to decode text files to binary

To restore a binary file from text copy the result string from stdin to your script as follows

/usr/bin/uudecode > /path/to/binary/file << 'EOF'
begin 644 -
M````!'\```$``3``$DU)5"U-04=)0RU#3T]+244M,0`0(581,6(<1J&_0`OE
M_:%-L@$``!5L;V-A;&AO<W0N;&]C86QD;VUA:6X``3``$DU)5"U-04=)0RU#
93T]+244M,0`0(581,6(<1J&_0`OE_:%-L@``
`
end
EOF

The output of the above command always must be redirected to a file.