grep : ‘+’ special character
At that link to the POSIX specification you gave, you can read: An ordinary character is a BRE that matches itself: any character … Read more
grep
How to filter the success message when using nc port scan
How to filter the success message when using nc port scan
Each grep result to different file
Each grep result to different file
what is the use of egrep [[:print:]] command in bash?
You can find an explanation in the GNU’s Character Classes and Bracket Expressions documentation: ‘[:print:]’ Printable characters: ‘[:alnum:]’, ‘[:punct:]’, and space. If you … Read more
How to make grep for a regex that appear multiple times in a line
Using GNU awk for the FPAT: awk -v FPAT=’\\[([0-9]{1,3}[.]){3}[0-9]{1,3}\\]’ -v OFS=, ‘ { $1=$1; print (gsub(/[][]/, “”)?$0:”N/A”) }’ <infile >output or with any … Read more
Understanding grep –label=
Understanding grep –label=
How to filter logs between a time range
If you just want particular lines between a certain time then awk will work. To give a slight tutorial To start with and … Read more
Pattern matching across multiple lines
You were close with pcregrep. You need to explicitly include \n along with . in your pattern pcregrep -M ‘301(.|\n)*domain\.com(.|\n)*200’
Using Grep -o or Sed/Awk to Grab Snippet from Middle of String
You can do sed ‘s/^.*search?q=\([^&]*\)&.*/\1/’ file What this does is does a non greedy match between the search?q= and the & Which outputs … Read more
How to make this search faster in fgrep/Ag?
You could probably make it a little bit faster by running multiple find calls in parallel. For example, first get all toplevel directories … Read more
