9/20/2023 0 Comments Egrep vs grep![]() ![]() You can do very complicated searches and display the search results in your location list or quickfix list. However, if you define the greprg properly and use a command such as 2.An egrep command is used to search for multiple patterns inside a file or other kind of data repository while frgrep is used to look for strings. The egrep stands for extended grep while the fgrep stands for fixed-string grep. ( you do want to use the location list, you can use ]q shortcut to navigate it if you have Tim-Popes unimpaired plugin ( )Ĭomplicated searches while within vim: typically if you have to do complicated searches you may have to use the command line. Summary: 1.Both egrep and fgrep are derived from the base grep command. Vimgrep populates a quickfix/location list: using :grep/vimgrep allows you to populate a search list. Note that grep finds string patterns for you. The grep command globally searches for regular expressions infiles and prints all lines that contain the expression. It's not about performance, but is a better way in some sense. So, anytime you have to search for an expression, you will have to think/remember whether you should use \) or just ) and other differences. Whether you call it egrep or grep -E, extended regular expressions do generally make complex patterns shorter and therefore easier to read by removing a lot of. On the other hand, if you use vim’s /pattern option, you are stuck on vim’s default regex engine, which has a different syntax compared to extended regular expression syntax. Using this you can search the current buffer or multiple buffers/files, using a consistent regex engine. Use a consistent regex engine/syntax: Using :grep/vimgrep allows you to define a grepprg, which can be defined to grep/ack/ag etc. ![]()
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