File System Management

Local File System

Extracting the direcory name of a file.

>>> fs.path README.md 
/home/martinalejandrocastroalvarez/filesystem

Extracting the name of a file.

>>> fs.name README.md 
README

Extracting the extensions of a file.

>>> fs.ext README.md 
md

Listing files in a directory (including the full path and supporting blank spaces)

>>> fs.files | head -3
/home/martinalejandrocastroalvarez/filesystem/s3.size
/home/martinalejandrocastroalvarez/filesystem/s3.ls
/home/martinalejandrocastroalvarez/filesystem/s3.get

Listing subdirectories (including the full path and supporting blank spaces)

>>> fs.dirs /tmp | head -3
/tmp/gimp
/tmp/gimp/2.10
/tmp/yarn--1663892367587-0.7886320579002157

Getting the size of a file

>>> fs.size wallpaper.jpg 
1274698

Calculating the hash of a file

>>> fs.sha256 wallpaper.jpg 
de55d0d07ab1dc397166e1ebbfd5ac4b535bdb7593e42bd0a9bf45e48e178a03

Nornalising the name of the files in a directory and removing duplicates.

>>> fs.norm <directory>

Extracting the full path of a file or directory.

>>> fs.full wallpaper.jpg 
/home/martinalejandrocastroalvarez/filesystem/wallpaper.jpg

Filtering a list of files from stdin.

>>> fs.files | fs.filter FILES
/home/martinalejandrocastroalvarez/filesystem/fs.map
/home/martinalejandrocastroalvarez/filesystem/fs.filter
>>> fs.files | fs.filter -v FILES
/home/martinalejandrocastroalvarez/filesystem/s3.size
/home/martinalejandrocastroalvarez/filesystem/s3.ls
/home/martinalejandrocastroalvarez/filesystem/s3.get

Applying a function to a files.

>>> fs.files | fs.map fs.sha256  | head -3 
c8a96740c1d6aaf2c3590e41e3df38f599ea7d6625fbbf34835e0c52ff87eefb
0b976ce2e726c04857197574b173b7e35cc13b1da82091f434fb9236a81fe8f4
a3d66cf278f7e2e4499d861fee27ff755c5f5aadf46e1b75cb38eb06dd0171e8

Finding images in directory.

fs.img /home/martinalejandrocastroalvarez/filesystem/
/home/martinalejandrocastroalvarez/filesystem/wallpaper.jpg

Replacing the contents of a file using regexp.

>>> fs.files /tmp | fs.filter -i IPSUM | fs.replace LOREM DOLOR 
/tmp/a.txt:
  [x] LOREM IPSUM
  [✔] DOLOR IPSUM

Grepping in multiple files recursively

>>> fs.grep apply
Definition.ts:47:    public apply(): void {
Cursive.ts:40:    public apply(): void {

Listing files that contain a given string

>>> fs.grep apply
Cursive.ts
Definition.ts

AWS S3

Listing buckets in AWS S3

s3.buckets

Listing files in an AWS S3 bucket

s3.ls s3://<bucket>

Getting the size of a file in AWS S3

s3.size s3://<bucket>/<key>

Posting the content of the current directory to an AWS S3 bucket and key

s3.post s3://<bucket>/<key>/

Downloading the content of an AWS S3 bucket and key to the current directory

s3.get s3://<bucket>/<key>/

Removing a bucket and key from AWS S3

s3.rm s3://<bucket>/<key>/

Moving a key from one place to another in AWS S3

s3.mv s3://<bucket>/<key>/ s3://<bucket>/<key>