BK-2020-03: Baltakatei Executables Development

BK-2020-03: Baltakatei Executables Development is the version control of Baltakatei's shell utilities and other personal executables.

Stats

• Created: 2020-04-16

Contents

user

bk-copy-rand-music

Copies random audio files.

Usage: bk-copy-rand-music [dir SOURCE] [dir DEST] [int DURATION] ([int BYTES])

Example: bk-copy-rand-music ~/Music /tmp/music-sample 3600 680000000 (copy up to 3600 seconds or 680000000 bytes of music from ~/Music into ~/tmp/music-sample)

bkmml

Create symlinks to audio files based on find and/or grep search patterns. Created 2024-02-20.

Usage: bkmml [str arg1] [str arg2] [str arg3]

arg1: find -iname expression

arg2: grep -Ei expression

arg3: grep -Eiv expression

bkmpv2

Wrapper for mpv that accepts directory of file paths via positional arguments or standard input lines.

Usage: bkmpv2 [dir]

Example: find ~/ -type f -name "*.flac" | bkmpv2

Example: find ~/ -type d -iname "*music*" | bkmpv2

Example: bkmpv2 ~/Music/*

bknpass

Generate alphanumeric passphrase with specified bits of entropy.

Usage: bknpass [int BITS OF ENTROPY]

Example: bknpass 128

bkots

Timestamp director[ies] with OpenTimestamps.

Usage: bkots [options] [path]

Example: bkots -r -j 8 ~/Pictures

mp3s_to_mkv.sh

Convert a directory of mp3s into a single mkv file with chapters and opus audio.

Usage: mp3s_to_mkv.sh [dir IN] [dir OUT] [str BITRATE]

Example: mp3s_to_mk3.sh ~/audiobook_mp3s/ ~/audiobook_mkv/ 48k

zeropad.sh

Prepend zeroes of files in working directory that start with digits for sorting.

Usage: zeropad.sh [str fext]

Example: zeropad.sh ".jpg"

unitproc

bk_export_audio.sh

Extracts audio from video files.

Usage: bk_export_audio.sh [dir IN] ([dir OUT])

bkshuf

Partially shuffle stdin lines by permitting some input lines to remain contiguous.

Example: cat file | bkshuf arg1

arg1: (int) initial lines to output

bkt-yellDieMust

Bash functions for debugging: yell(), die(), must()

History

• 2020-04-16: Initial commit (36fce78).

See also

• Wikipedia:BK-2020-03: Baltakatei Executables Development

External links

• bk4, reboil.com
• GitLab repository: https://gitlab.com/baltakatei/baltakatei-exdev/
• Reboil.com wiki entry