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Count number of characters: Difference between revisions
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== How to count characters with BASH == | == How to count characters with BASH == | ||
Step1: Using [https://www.computerhope.com/unix/uwc.htm Linux wc command] | Step1: Using [https://www.computerhope.com/unix/uwc.htm Linux wc command] | ||
<pre> | |||
# Count the total number of characters in a file named "input.txt", while ignoring all whitespace characters (including spaces, tabs, newlines, etc.). | |||
tr -d '\r\n[:space:]' < input.txt | wc -m | |||
</pre> | |||
<pre> | <pre> | ||
# print the character counts of txt files (contains the count of return symbol) | # print the character counts of txt files (contains the count of return symbol) | ||
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Number of characters (not contains the [[Return symbol | return symbol]]) = result of {{kbd | key=<nowiki>wc -m *.txt</nowiki>}} - result of {{kbd | key=<nowiki>wc -m *.txt</nowiki>}} * 2 - 1 (the last blank line costs 1 character) - number of the whitespaces | Number of characters (not contains the [[Return symbol | return symbol]]) = result of {{kbd | key=<nowiki>wc -m *.txt</nowiki>}} - result of {{kbd | key=<nowiki>wc -m *.txt</nowiki>}} * 2 - 1 (the last blank line costs 1 character) - number of the whitespaces | ||
== How to count characters with Python == | == How to count characters with Python == | ||