grep
Can anybody help me to simplify a regex?
I want to grep a HTTP access log, but I\'m not able to write an efficient regular expression.Here is what I use now:[详细]
2023-04-13 06:09 分类:问答Can you supress asset messages when tailing the development.log?
During development of Ruby on Rails applications I have the development开发者_运维百科 log constantly tailing via tail -f log/development.log.[详细]
2023-04-12 23:05 分类:问答grep/regex search for X but not Y?
BBEdit has an excellent \"multi-file search\" feature that can search with Grep. I have some 开发者_如何学JAVAPHP code in need of cleaning up. For example, I\'d like to find all instances of ...[详细]
2023-04-12 22:03 分类:问答Calling Unix command from Java
How do I execute the Unix grep program to search for patt开发者_Go百科erns in a set of files by calling that command from inside a Java program?You can use Runtime.exec[详细]
2023-04-12 09:40 分类:问答Howto: Searching for a string in a file from the Windows command line?
Is there a way to search a directory and its subdirectories\' files for a string?The string is rather unique.I want to return the name of the string and hopefully the line that the string is on in the[详细]
2023-04-12 09:06 分类:问答What are the differences among grep, awk & sed? [duplicate]
This question already has answers here: What are the differences between Perl, Python, AWK and sed? [closed][详细]
2023-04-12 01:08 分类:问答Searching and replacing a line in linux?
How can I find and replace every instance of a {% extends \"a/b/c/d\" %} with another {% extends \"e/f/g/h\" %} in every file in a directory?Also, if anything comes after the statement on the same lin[详细]
2023-04-11 04:38 分类:问答BASH - Join on non-first column
I am trying to join 2 files together - both files are in CSV format - both files have the samecolumns. Here is an example of each file :[详细]
2023-04-11 03:26 分类:问答egrep regular expression works within PHP, but doesn't work at unix shell - escaping issues?
I think my problem has something to do with escaping differences between using a regex within PHP versus using it at Bash commandline.[详细]
2023-04-11 03:17 分类:问答Can we really do without lazy quantifiers?
Many people say we can do without lazy quantifiers in regular expressions, but I\'ve just run into a problem that I can\'t solve without them (I\'m using sed here).[详细]
2023-04-11 01:25 分类:问答