sql - How can I update a single field in psql with the contents of a file? -


I am trying to do the following: bodycontent set body = CONTENT_FROM_FILE where Contentid = 12943363;

I have tried the following on the basis of the least answer given. contentfill cat cat.Foo.txt updated bodycontent body = = 'contentfill' where content = 12 9 43363;

The result is the following error. 

  error: syntax error "on or near": "line1: update bodycontent body =: 'contentfill' where contentid = 1 ...   < P> What is a clean, simple, and effective way to achieve this on the  psql command line?         
 After more searching, I came to know, which does not directly discuss the problem of reading the file, but gives me the necessary components for it. My old  PostGrace .  
  \ content This work for the updated bodystructure SET body: `cat foo.txt` \ set quoted_contentFill '\': contentFill '=': quoted_contentFill WHERE contentid = 12 943363;   
 Naturally, If it escapes the quote marks inside  Foo.txt , it will fail, but I can easily pre-process it to ensure no one is.

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