Where we executed the command ‘dpkg –list’ which will list out the installed programs.
#Editpad lite files skip installation how to
Read: How to compress JPEG or PNG images in Linux using the terminal Number of lines before and after : -A -B -C options We then piped this out to the grep command in order to search for the installed packages which contain the word ‘sql’ while ignoring the case. It is also possible with grep to display the lines that are before or after the line that contains the search string. Let’s return to our test file below, i.e. ‘/head’ :Ĭat index.html | grep -B 1 “/head” ⇒ shows 1 line beforeĬat index.html | grep -B 2 “/head” ⇒ shows 2 lines before We would like to display the line that comes after the line with the word being sought. In order to display both lines, I mean that satisfy the -A criteria and the -B criteria at the same time, we use the -C option as follows :Ĭat index.html | grep -C 2 “/head” ⇒ shows 2 lines before and after Now to display the lines that come afterwards, simply issue the command below with the -A switch :Ĭat index.html | grep -A 1 “/head” ⇒ shows 1 line afterĬat index.html | grep -A 2 “/head” ⇒ shows 2 lines after
Imagine you have the following html file :Īnd you want to return all the lines which DO NOT contain a specific word.
#How to use grep in editpad lite install#įor instance, you want to return all the lines of the file above which do not contain the word “title”, this can be done using the -v switch as follows :Īs you can see, the line which contains the word title is not longer returned.#How to use grep in editpad lite how to#.
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