For more information on a paid license for Qsirch on the NAS, go to. QNAP provides different types of licenses for Qsirch. When it finds a pattern that matches in more than one file, it prints the name of the file. The extension also simultaneously searches for relevant files on your NAS when searching for files on the Internet. The grep command can search for a string in groups of files. To search multiple patterns, use the following syntax. We can easily grep two words or string using the grep/egrep command on Linux and Unix-like systems. Qsirch Helper allows you to search for files on your NAS using Google Chrome or Firefox. How can I grep for multiple patterns on Linux, OS X, FreeBSD, or Unix-like system What is the command to search multiple words in Linux The grep command supports regular expression pattern. Depending on your needs, Qsirch allows you to perform various file operations on your search results, such as sharing files to other users and locating them directly on the NAS. Qsirch has three applications for three different platforms, all of which are designed to help you find files on your QNAP NAS. Qsirch is a full-text search engine that helps you find files based on file name, content, and metadata. This applies to the following application and browser extension versions (and later): Qsirch 5.0.1 on the NAS, Qsirch 1.5.3 for Android, Qsirch 1.5.0 for iOS, Qsirch Helper 1.5.1 for Google Chrome, and Qsirch Helper 1.5.2 for Firefox. grep 'hello' file1 file2 file3 file4 Grep will search each file and output the matching line from each. For other distros, just provide pdfgrep as input for the package manager, and that should get it installed.
For example, to find the world hello in the files file1, file2, file3 and file4, we would run the command as follows. For Ubuntu and other Linux distros based on Ubuntu, it is pretty simple: sudo apt install pdfgrep.
Guideline for Choosing and Upgrading NAS The grep command allows us to chain multiple files into our search by adding them at the end of the command.