Grep

The History command.

Today I have something really really basic but pretty useful tool and it’s about the ‘history’ command. (Bare with me if you already know this stuff).

The History command is a list (like a Log) with all the recently executed commands, so let’s go to the practice!

Use awk and grep to sum up columns in excel file

Story

Below is an example I extracted from Kaggle’s airbnb competition, I want to know how many time (secs_elapsed column) user yo8nz8bqcq spend on each device_type. Looks like the native linux command could be the…

Epic grep

Hello folks! It’s my first post here on Medium!

Well, let’s get to business:

Here’s a quick tip that made my head explode. It may sound silly, but I swear I didn’t knew how to to this, and it made my life so much better.

Ferret

Ferret (GitHub: wincent/ferret) by Greg Hurrell is a search plugin that offers asynchronous search, multi-file replace, args list/argdo support, and QuickFix listing enhancements.

It supports The Silver Searcher, Ack, and grep. Asynchronous support is done with dispatch.vim — you have to…

Linux Search From Shell Using Grep Find Xargs

The find command is used to find files in a Unix/Linux system. The grep command is used to find text within files and output. The xargs utility is used to combine commands together. This is a demonstration of using all three to search for specific…

Búsqueda avanzada de archivos con find, locate y grep

Todos los que trabajamos asiduamente con un terminal no podemos evitar en algún momento lidiar con la tarea de búsqueda de archivos por nombre o incluso por contenido, incluso podemos querer ejecutar comandos con los resultados obtenidos.

I used grep for 2 years and did not even know …

Grep can show lines before and after found text line

grep -B 2 -A 5 ‘error\] \[php\]’ application.log

• -B 2 = 2 lines before
• -A 5 = 5 lines before
• or use -C 4 = 4 lines before and 4 after

grep ile aradığınız veriyi içeren dosyaların sadece isimlerini döndürün

grep harika bir tool. Diyelim ki klasördeki tüm dosyalar içinde eray kelimesini aratacaksınız.

grep -r ‘eray’ *