vijinho’s gists

vijinho / directory-tree-clone.sh

Last active January 6, 2025 11:23

Clone a directory tree structure without the files

	#!/bin/bash

	# Function to show help
	usage() {
	echo "Usage: $0 [-h] -s <source> -d <destination>"
	echo " -h, --help Show this help message and exit."
	echo " -s, --source Specify the source directory or file."
	echo " -d, --destination Specify the destination directory."
	return 1
	}

vijinho / disk-set-sleep-time.sh

Last active January 6, 2025 11:14

Clear standby mode and set the disk sleep-time in Linux

	#!/bin/bash

	# Function to check if a device file exists and is an HDD
	is_valid_device() {
	if ! test -b "$DEVICE"; then
	echo "Error: '$DEVICE' is not a valid block device."
	return 1
	fi

	if ! grep -q "$DEVICE" /proc/partitions; then

vijinho / files-by-type.php

Created May 7, 2019 14:34

list files by type

	#!/usr/bin/php
	<?php
	/**
	* files-by-type.php - get metadata from files readable with exiftool
	* and presents options for renaming
	* creates cache files, metadata.ser
	*
	* https://www.sno.phy.queensu.ca/~phil/exiftool/#filename
	* see https://www.sno.phy.queensu.ca/~phil/exiftool/exiftool_pod.html
	*

vijinho / pdf-rename-auto.php

Created May 6, 2019 14:21

automatically rename PDF files found as: year - title - author(s)

	<?php
	/**
	* get-rename.php - get metadata from files readable with exiftool
	* and presents options for renaming
	* creates cache files, metadata.ser
	*
	* https://www.sno.phy.queensu.ca/~phil/exiftool/#filename
	* see https://www.sno.phy.queensu.ca/~phil/exiftool/exiftool_pod.html
	*
	* relies on command-line tools, tested on MacOS.

vijinho / calibre-rename-jdupes.php

Created May 5, 2019 22:53

Find/remove duplicate files in subfolders and move/rename files exported from calibre ebook application folder in OPF files.

	<?php
	/**
	* get-rename.php - get metadata from files readable with exiftool
	* and presents options for renaming
	* creates cache files, metadata.ser
	*
	* https://www.sno.phy.queensu.ca/~phil/exiftool/#filename
	* see https://www.sno.phy.queensu.ca/~phil/exiftool/exiftool_pod.html
	*
	* relies on command-line tools, tested on MacOS.

vijinho / pdf-linearize.php

Last active August 17, 2023 16:00

use qpdf to linearize a bunch of pdf files

	<?php
	/**
	* pdf-linearize.php - linearize PDFs
	* WARNING: May run extremely slowly due to very large file sizes generated on pdf2ps
	*
	* relies on command-line tools, tested on ubuntu.
	*
	* @license GPLv3 (http://www.gnu.org/licenses/gpl-3.0.html)
	*/

vijinho / pdf-rename.php

Last active May 3, 2019 00:17

Finds a list of files readable with exiftool (used for PDFs mainly) and present renaming/view options for MacOS

	<?php
	/**
	* get-rename.php - get metadata from files readable with exiftool
	* and presents options for renaming
	* creates cache files, metadata.ser
	*
	* https://www.sno.phy.queensu.ca/~phil/exiftool/#filename
	* see https://www.sno.phy.queensu.ca/~phil/exiftool/exiftool_pod.html
	*
	* relies on command-line tools, tested on MacOS.

vijinho / get_exiftool_metadata.php

Last active April 25, 2019 20:35

Get the exif(tool) metadata for a file

	<?php
	/**
	* get-metadata.php - get metadata from files readable with exiftool
	* creates 2 cache files, metadata.ser and metadata.old.ser
	* where old.ser is the old version of metadata.ser for comparison
	*
	* https://www.sno.phy.queensu.ca/~phil/exiftool/#filename
	* see https://www.sno.phy.queensu.ca/~phil/exiftool/exiftool_pod.html
	*
	* relies on command-line tools, tested on MacOS.

vijinho / pdf_rename_metadata.php

Last active April 25, 2019 11:31

get metadata from file using exiftool https://www.sno.phy.queensu.ca/~phil/exiftool/#filename and compare to previous metadata file to see savings of filesize

	<?php
	/**
	* pdf_rename_metadata.php - get metadata from files readable with exiftool and rename
	* creates 2 cache files, metadata.ser and metadata.old.ser
	* where old.ser is the old version of metadata.ser for comparison
	*
	* https://www.sno.phy.queensu.ca/~phil/exiftool/#filename
	* see https://www.sno.phy.queensu.ca/~phil/exiftool/exiftool_pod.html
	*
	* relies on command-line tools, tested on MacOS.

vijinho / pdf-compress1.php

Last active May 6, 2019 14:18

Original version of pdf-compress.php https://gist.github.com/vijinho/e5ee78e13b8c7ad9f171593234daa2ad

	<?php
	/**
	* pdf-compress.php - re-compress PDFs, shrinking if possible
	* WARNING: May run extremely slowly due to very large file sizes generated on pdf2ps
	*
	* relies on command-line tools, tested on ubuntu.
	*
	* @license GPLv3 (http://www.gnu.org/licenses/gpl-3.0.html)
	*/

Vijay vijinho