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1 gru 2011 · How can I introduce a conditional OR into grep? Something like, grepping a file's type for (JPEG OR JPG), and then sending only those files into the photos folder. For example. I know how to send the file where I want it, and get the file type, I just need some help with the grep part.
21 paź 2011 · Grep OR Using \|. If you use the grep command without any option, you need to use \| to separate multiple patterns for the or condition. grep 'pattern1\|pattern2' filename. For example, grep either Tech or Sales from the employee.txt file. Without the back slash in front of the pipe, the following will not work.
25 mar 2022 · The OR logic is used to match one of the provided search terms. In this tutorial, we examine how to use the OR condition. OR Condition without Option. The most basic implementation for the grep OR condition is using the \| characters like below. grep "PATTERN1\|PATTERN2\|PATTERN3" FILE
24 lip 2024 · Learn how to use the grep OR condition to search multiple patterns in files efficiently. Discover commands, examples, and best practices for effective searches.
grep understands three different versions of regular expression syntax: “basic,” “extended” and “perl.” In GNU grep, there is no difference in available functionality between basic and extended syntaxes. In other implementations, basic regular expressions are less powerful.
27 gru 2016 · From the following article you’ll learn how to match multiple patterns with the OR, AND, NOT operators, using grep, egrep, sed and awk commands from the Linux command line.
5 sty 2015 · There are lot of ways to use grep with logical operators. Using multiple -e options matches anything that matches any of the patterns, giving the OR operation. Example: grep -e pattern1 -e pattern2 filename. In extended regular expressions (grep -E), you can use | to combine multiple patterns with the OR operation.
