![]() ![]() * as previously mentioned - the dot is a wildcard character, and the star, when modifying the dot, means find one or more dot ie. If you want * in regular expressions to act as a wildcard, you need to use. However, in regular expressions, * is a modifier, meaning that it only applies to the character or group preceding it. In the console, * is part of a glob construct, and just acts as a wildcard (for instance ls *.log will list all files that end in. Perhaps you would like to see all resources related to networking. The /etc directory contains many subdirectories and files, and they don't always have intuitive names. If you're checking whether a particular subdirectory or file exists, the grep command can help. * in a regular expression is not exactly the same as * in the console. The ls command displays directory contents. If you want to just match abc, you could just say grep 'abc' myFile. * - the dot means any character ( within certain guidelines). how to grep in the output of ls -a Ask Question Asked 4 years, 1 month ago Modified 4 years, 1 month ago Viewed 3k times 1 I'd like to grep the output of ls and pipe it into less so I can scroll through the output. If you discover any rendering problems in this HTML version of the page, or you believe there is a better or more up-to-date source for the page, or you have corrections or improvements to the information in this COLOPHON (which is part of the original manual page), send a mail to GNU coreutils 9. If you want to match anything, you need to say. *abc*/ matches a string containing ab and zero or more c's (because the second * is on the c the first is meaningless because there's nothing for it to repeat). The asterisk is just a repetition operator, but you need to tell it what you repeat. 1 I'm trying to use an if grep using the exit value to trigger it to test, from the command line ls /dir grep txt echo 0 However when i use it in an if statement in a script, i.e. Will match a string that contains abc followed by def with something optionally in between. 1 Answer Sorted by: 5 Your usage of ls and grep is correct, that will find any results in the ls output containing stomething. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |