Chapter 2. Getting Hands-on with I/O, Redirection Pipes, and Filters
In day-to-day work, we come across different kinds of files such as text files, source code files from different programming languages (for example, file.sh, file.c, and file.cpp), and so on. While working, we often perform various operations on files or directories such as searching for a given string or pattern, replacing strings, printing few lines of a file, and so on. Performing these operations is not easy if we have to do it manually. Manual searching for a string or pattern in a directory having thousands of files can take months, and has high chances of making errors.
Shell provides many powerful commands to make our work easier, faster, and error-free. Shell commands ...
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