Local Text Search Session

Aim

Improve skills in doing text based search queries on the local disk.

grep, egrep, fgrep, git grep, find

Agenda

1. Brainstorming session

   What 'search' skills would I like to improve?

2. Challenges

Challenges

Format:

N. (search-file | directory)

	q: challenge description

	r: description of expected result

Set-up:

git clone https://github.com/cclug/grep-session
git clone https://github.com/spf13/cobra

Challenge results based on cobra commit hash

0dacccfbaabc71b872087c1719c5380d3e185173

Basics

1. patch.mbox

   q: Who sent the patch? r: Single line containing name and email address.

2. patch.mox

   q: List all lines that include an email address. r: 48 lines, a bunch of false positives.

3. cobra/

   q: All files that mention the function OnInitialize r: README.md cobra.go cobra/cmd/init.go cobra/cmd/root.go cobra/cmd/testdata/root.go.golden

Middle

1. patch.mbox

   q: Return the email sender (not the mailing list) and the subject. r: Two lines.

2. patch.mbox

   q: All the lines added to the code by the patch i.e starting with a plus symbol. r: 2632 lines.

3. cobra

   q: List all lines containing function definitions that include string in the parameter list. r: 205 lines.

Advanced

1. patch.mbox

   q: What is the email address of the patch author. r: Just the email address.

2. patch.mbox

   q: Extract all the email address from the patch. r: ?

3. cobra/cobra/

   q: Extract a list of all function names from the source code. r: ?