WebMar 15, 2024 · For starters, rm doesn't accept a regular expression as an argument. Besides the wildcard *, every other character is treated literally. Also, your regular expression is slightly off. For example, * means any occurrences of ... in a regular expression, so A* matches A, AA, etc. and even an empty string. For more information, … WebRegular Expressions A regular expression (regex) is a method of representing a string matching pattern. Regular expressions enable strings that match a particular pattern …
Shell - csh: using regular expression in string The …
WebFeb 18, 2006 · i cant get around using regular expressions in if/else statements. it simply doesnt give me the right results. i've tried using switch/case but that is just as sh!tty as … WebJul 16, 2024 · If using the original csh and the /etc/group file contains glob metacharacters, you'll have to bracket the loop in a set noglob / unset noglob pair. Share. Improve this answer. Follow edited Jul 16, 2024 at 22:15. answered Jul … notebookcheck clevo
regex - Using regular expressions in shell script - Stack Overflow
WebThat is, if you execute "-csh" instead of "csh." then you would be starting a login shell. You can prove this by copying or linking /bin/csh to a filename that starts with a hyphen: cd /tmp cp /bin/csh -csh-csh. Try this and see. If you execute "csh." the .cshrc file is read. If you execute "-csh," both the .cshrc and .login files are read. Webor using a more specific regexp: ... list of filename expansions on the value of EXPR such as the standard Unix shell /bin/csh would do. 在列表上下文中,返回一个(可能是空的)EXPR 值的文件名扩展列表,例如标准 Unix shell /bin/csh 会做的。 ... 1) What is the correct way to parse a string using regular expressions in a linux shell script? Tools that include regular expression capabilities include sed, grep, awk, Perl, Python, to mention a few. Even newer version of Bash have regex capabilities. All you need to do is look up the docs on how to use them. 2) Is sed the right thing to use ... notebookcheck battery test