Facing problem with perl one-liner for single quote

Hi all,

I am trying a one-liner substitution for a content in
a file.

original file content
---------
signal TCLK_IN : std_logic;
signal TPOS_IN : std_logic;
---------

I want to change it as:
---------
signal TCLK_IN : std_logic;
signal TPOS_IN : std_logic := '0';
-------

I wrote this one liner,

perl -pi -e 's/signal TPOS_IN \: std_logic;/signal
TPOS_IN \: std_logic \:= \'0\';/' <file_name>

But here i get an error saying, "Unmatched single
quote".

Can you please give me an idea what is wrong and how
to overcome this?

Thanks in advance.

Regards,
HK.




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