You can do pretty much anything with apache log files with awk alone. Apache log files are basically whitespace separated, and you can pretend the quotes don’t exist, and access whatever information you are interested in by column number. The only time this breaks down is if you have the combined log format and are … Read more
You could try grep pattern file | tail -1 or tac file | grep pattern | head -1 or tac file | grep -m1 pattern
You can use grep anyway to search through the file – it does not really care if the input file is really text or not. From ‘man grep’: -a, –text Process a binary file as if it were text; this is equivalent to the –binary-files=text option. –binary-files=TYPE If the first few bytes of a file … Read more
-m 1 means return the first match in any given file. But it will still continue to search in other files. Also, if there are two or more matched in the same line, all of them will be displayed. You can use head -1 to solve this problem: explanation of each grep option:
Tell grep to treat your input as fixed string using -F option. Option -n is required to get the line number,
Using an ls –a and grep, how would you list the name of all of the files in /usr starting with the letter p or the letter r or the letter s using a single grep command? would this be right?
You can use the -s or –no-messages flag to suppress errors. -s, –no-messages suppress error messages
The standard option grep -l (that is a lowercase L) could do this. From the Unix standard: You also do not need -H in this case.
You are looking for -H option in gnu grep. Here is the explanation
I am trying to find a line of code in a folder and using the terminal. I use this command, which I think should work: where the folder I am inspecting is called “myWordpress”. But I get this: I don’t use much the terminal, so I am unsure as to how to do what I … Read more