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Finding elements starting from the end of an array has gotten a lot easier with the introduction of the at, findLast, and findLastIndex methods! With 阅读全文
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Array Grouping is the new feature of JavaScript/ECMAScript, which splits an array (or, generally, an iterable), into smaller sub-arrays. Grouping is d 阅读全文
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The sed command is a stream editor used for filtering and transforming text. sed 'command' file Create and view the initial content of sample.txt: ech 阅读全文
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The awk command is a powerful text processing tool used for pattern scanning and processing. // exammple.txt Hello World This is a sample file Bash sc 阅读全文
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The grep command searches for patterns within files and prints matching lines. grep [options] [content] [file] Search for a pattern in a file: grep "p 阅读全文