Simple Useful Shell Scripts

calc --help

Usage: calc expression
Use awk for arithemetic operations

Operations: 

    x + y       Addition
    x - y       Subtraction
    - x         Negation
    x * y       Multiplication
    x / y       Division
    x % y       Modulo
    x ^ y       Exponentiation
    int(x)      Truncate integer toward zero
    sqrt(x)     Positive square root
    exp(x)      Exponentiation e ^ x
    log(x)      Natural logarithm
    sin(x)      Sine (in radians)
    cos(x)      Cosine (in radians)
    atan2(x, y) Arctangent of x / y (in radians)
    rand()      Random number between zero and one
    srand(x)    Random number starting at x

create-deb-depends --help

Usage: create-deb-depends name version depends [file.deb]

Create a deb package for Debian / Ubuntu only containing dependency
information. This helps recognizing relationship of packages and
installed software. It also avoids accidental uninstalls.

Examples: 

    create-deb-depends mutt-dependencies 1.3.17-1 "libc6 (>= 2.2.1), exim | mail-transport-agent" test.deb
    create-deb-depends config5-dependencies 0.1 "perl-modules, libtemplate-perl, lsb-release, curl, udev"

create-repo

Usage: ./repo.sh path

de --help

usage: de [-h] {ru,fr,en,pl,pt,ch,it,es} word

Translate a word from or to german with dict.leo.org.

positional arguments:
  {ru,fr,en,pl,pt,ch,it,es}
                        language to translate from or to german
  word                  word(s) to translate

optional arguments:
  -h, --help            show this help message and exit

deb-sign

Usage: ./sign.sh package1.deb [package2.deb [...]]

dict --help

Usage: dict "word"
Translate the given word(s) with dict.leo.org [English -- Deutsch]

file-crypt --help

Usage: file-crypt file
Use tar and gpg to encrypt a file or directory
See also: file-uncrypt

file-uncrypt --help

Usage: file-uncrypt file
Use tar and gpg to uncrypt a file
See also: file-crypt

firefox-sleep --help

Usage: firefox-sleep
Suspend all Firefox (and plugin) processes
See also: firefox-wake

firefox-wake --help

Usage: firefox-wake
Wake up all Firefox (and plugin) processes
See also: firefox-sleep

host2ip --help

Usage: host2ip dns-name
Use host to convert dns-name to IP address

ipcalc --help

Usage: ipcalc [HHHHHHHH | HH.H.HH.H | DDDDDDDDDDDD | DDD.DD.D.DDD]
Convert IPv4-Adresses HEX <--> DEC

md2pdf --help

Usage: ./md2pdf /path/to/file.md [/path/to/file.pdf]

mp3-vbrfix --help

Usage: mp3-vbrfix [file]
Use vbrfix to fix wrong vbr header (e.g. song length) in all .mp3 files (recursively)

mutex-lock --help

Usage: mutex-lock [name]
Use mkdir (atomicly) to realize mutex on file system level. If no
name is specified, a default lock will be used.
See also: mutex-unlock

mutex-unlock --help

Usage: mutex-unlock [name]
Use mkdir (atomicly) to realize mutex on file system level. If no
name is specified, a default lock will be used.
See also: mutex-lock

ssh-unlock-disk --help

Usage: ssh-unlock-disk [ssh-options] hostname/ip

Use this script to send a password through ssh to unlock luks encrypted disks
(in initrds). It will use its own known_hosts file since the initrd's all have
a different identity than the actual host (uses dropbear instead of openssh).

ssh-keyup --help

Usage: ssh-keyup hostname
Update ssh-key of given hostname and ip address in ~/.ssh/known_hosts

thunderbird-sleep --help

Usage: thunderbird-sleep
Suspend all thunderbird processes
See also: thunderbird-wake

thunderbird-wake --help

Usage: thunderbird-wake
Wake up all thunderbird processes
See also: thunderbird-sleep