File status must be checked both while opening and reading
the file or only while reading the file?
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Answer Posted / raj
At the time of reading is enough. There is only one case of
getting abend at the time of opening i.e, If that file
doesn't exists.But in general the programmer doesn't open
any file if that one is not exists so there will be no
negative effect if we insert the File status check Opening
file.
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