Commands by HaoZeke

Commands by HaoZeke (3)

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Add a TOC to a pdf

The file should be a text file formatted like this example: 1 Introduction 10 Chapter 1 +10 Chapter 1, Part A +25 Chapter 1, Part B ++25 Chapter 1, Part B, Subsection 1 ++27 Chapter 1, Part B, Subsection 2 +30 Chapter 1, Part C 50 Chapter 2 70 Chapter 3 The '+' indicates a sub-level heading (multiple +'s for multiple sub-levels). The first number on the line is the source page reference number. The rest of the text on the line is the name of the chapter / subheading.
This is sample output - yours may be different.
0

k2pdfopt -mode copy -n -toclist $tocFile $inFile -o $outFile

HaoZeke · 2018-08-13 08:08:40 0
Fulltext search in multiple OCR'd pdfs
This is sample output - yours may be different.
1

find /path -name '*.pdf' -exec sh -c 'pdftotext "{}" - | grep --with-filename --label="{}" --color "your pattern"' \;

HaoZeke · 2018-08-13 07:31:54 0
Add a repo to pacman
This is sample output - yours may be different.
0

echo -e "\n[sublime-text]\nServer = https://download.sublimetext.com/arch/dev/x86_64" | sudo tee -a /etc/pacman.conf

HaoZeke · 2018-08-13 07:30:55 0

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Create a single PDF from multiple images with ImageMagick

Given some images (jpg or other supported formats) in input, you obtain a single PDF file with an image for every page.

Takes and displays screenshot of Android phone over adb.

Dependencies on phone: adb access, screencap command, base64 command. Dependencies on computer: adb, sed, base64, display (from imagemagick, but can substitute other image viewer which reads from stdin). This should work around adb stupidies (i.e. that it replaces \n with \r\n) with base64.

Find files of two different extensions and copy them to a directory

Leap year calculation

Create an alias, store it in ~/.bash_aliases and source your new alias into the ~/.bashrc

This is useful if you use a shell with a lot of other users. You will be able to run "topu" to see your running processes instead of the complete 'top -u username'. Read more on alias: http://man.cx/alias

Grep inside Vim and navigate results

Will search for the given pattern and build a list of occurrences. Then you can use :copen and :cclose to toggle the list. When browsing the list, ENTER will take you to that line in the file.

Generate a random password 30 characters long

Mac OS X - List all of my machine's IP addresses

On the Mac, the format ifconfig puts out is little different from Linux: the IP address is space separated, instead of colon. That makes parsing the IP address easier. See releated command for Linux/Unix: http://www.commandlinefu.com/commands/view/651/getting-the-ip-address-of-eth0

prevents replace an existing file by mistake

Use set +o noclobber and you will be able to replace files again

exec chmod to subfiles

Using `-exec cmd {} +` causes find to build the command using all matching filenames before execution, rather than once per file.

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