The result follows by the Principle of Mathematical Induction. On the other hand, if y = 1, then x ≥ 4 and k + 1 = 3(x − 3) + 5(y + 2) has the desired properties. If y ≥ 2, then k + 1 = 3(x + 2) + 5(y − 1) has the desired properties. We show that there exist positive integers a and b such that k +1=3a + 5b. Assume for an integer k ≥ 16 that there exist positive integers x and y such that k = 3x + 5y. Textbook question: Use the Principle of Mathematical Induction to show that there exists a positive integer m such that for each integer n ≥ m, there are integers x, y ≥ 2 such that n = 2x + 3y. John Doe Asks: Principle of Mathematical Induction steps of proof clarification My most recent effort at starting, ie parsing the first line of an individual file's stdout/stderr is: I have tried various configurations with multiple levels of sed but am really struggling to achieve multiline replacement at the same time as using groups with replacement. The third column is the other text in each lineĬolumns 1 and 3 are critical, column 2 is nice to have.The second column is the most recent datetime from stdout/stderr, so if there is no datetime on a given line then it inherits from above.For each original file stdout/stderr the first column is the original requested URL, repeated, which is also the text of the first line in the individual stdout/stderr after the datetime text.Identify individual stdout/stderr for GET of each of the three original files based on the double-newline.Remove commas from the initial output and replace with.The key steps from a mental logic standpoint to be: 17:58:43,HTTP request sent awaiting response. 17:58:43,Reusing existing connection to :443.
17:58:42,HTTP request sent awaiting response. 17:58:42,HTTP request sent, awaiting response. 17:58:42,Reusing existing connection to :443. I would like this to be converted to a CSV format like this: Here is an example stdout/stderr for GETting three files: With the CSV in hand I will analyze the resulting stdout/stderr to identify whether there are URLs which aren't properly redirected. Convert the resulting stdout/stderr to CSV format.Use wget to GET these URLs sequentially from the V2 site, ie replacing the original with but keeping the rest of the URL intact.Filter out URLs which don't require redirection in V2.Create a set of V1 URLs with du, sed, and grep from the resulting on-disk file structure.Fully mirror the V1 user-facing site using wget.My approach is to write a bash script that will: One of the things I need to do is confirm that old URLs from V1 are properly redirected to new URLs in V2. The sites are built on a heavily modified version of Wagtail CMS. The old and new versions are called V1 and V2 respectively.
WGET TO STDOUT UPGRADE
I am using wget to do some integrity checking of a set of websites as they are undergoing a considerable upgrade which involves migrating databases etc. Christopher Brooks Asks: Converting wget stdout and stderr to CSV for analysis
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