For me, the scariest part of learning how to program a computer was file access. The problem was the horrid documentation. It introduced both sequential and random file access together without much explanation. So it was with much trepidation that I wrote my first file I\/O program. That’s when I realized that the manual was stupid.
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\nIn my books and online courses, I teach sequential file access first. I don’t even bother mentioning random access, as introducing the two together is what confused me way back when. With C, a file is read just like any other input. A text file is scooped up one line at a time, which leads to this month’s Exercise.<\/p>\n
Your task is to read the seventh line from a named file. Blank lines in the file count. If the file lacks a seventh line, report that it’s missing. Likewise, report when the line is blank or too large to be read.<\/p>\n
Here is output from my solution when ran on the file When run on a file without a seventh line, here is the output:<\/p>\n Please try this exercise on your own before you check out my solution<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":" Test your file access skills. Continue reading sonnet18<\/code><\/a>:<\/p>\nThe seventh line of file 'sonnet18.txt' is:
\nAnd every fair from fair sometime declines,<\/code><\/p>\nFile 'gettysburg.txt' lacks a seventh line<\/code><\/p>\n