en10 / bash

Bash Examples

Bash Examples

Create file1

touch file1

Append a file1:

echo "text" >> file1.txt

Find File

find / -name *filename*

File Word Frequency

cat file | tr ' ' '\n' | sort | uniq -c

tr ' ' // remove multiple spaces
'\n' // output word per line

Bash Shortcut

Run file1:

. file1

Folder Size:

Human readable, Max depth = 1, Sort Human readable

sudo du -hd1 / | sort -h

File Size:

Sorted size human

ls -Ssh /

Shorten Path:

PROMPT_DIRTRIM=1

Compress with p7zip-full

7z a -mx9 -v100m compressedfilename filetocompress

-mx9 compression level "ultra"
-v100m spilt into 100MB volumes

Extract 7z

7z e filename.7z

Extract .tar.gz:

tar -xvzf filename.tar.gz

Find Installed Package

sudo apt list --installed | grep -i lx

Installed Package By Size

dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n

Purge Removed Packages

dpkg --list |grep "^rc" | cut -d " " -f 3 | xargs sudo dpkg --purge

Render Markdown in Terminal

pandoc README.md | lynx -stdin
pandoc -t plain README.md | less

Slim Git

Light Git

git clone --depth 1 https://github.com/EN10/chatbot.git

Files Only No Git

svn export https://github.com/EN10/chatbot/trunk

Only Download Specific Folder
Replace tree/master with trunk

svn export https://github.com/GoogleCloudPlatform/python-docs-samples/trunk/appengine/standard/ndb/overview

Bash ~ on windows:

%localappdata%\Lxss\home

Command at Interval:

echo "date >> time" > time.sh
watch -n 10 bash time.sh