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Using only C, how can i filter textfile(s) to correctly edit, say "## " to "##"?

I have does of essays that need to be edited with a C  program that does many things; one takes two hash symbols which are often improperly formatted as "# #" or "_# # ";  it needs to be "alphanumeric##alphanumeric".

Someone said that a C-wizard here could help me.   I hope so!

 

asked Nov 25, 2016 by Gary Kline
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