A collection of tiny applications, mirror of repository at SourceForge.net
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.gitignore
FvwmTransFocus.c
LICENSE
LICENSE.GPL3
Makefile
README
SlackBuild.gen
TODO
add
arpping.c
cdiff.c
cdiff.sh
changelog.pl
check.sh
checkmail
cpuload.sh
cutcom.c
errno
extractlinks.pl
foreach.c
genpass.pl
genpass.sh
getlyrics.pl
gz2bz
inplace
installkernel
installkernel.8
lesspipe
libmpdclient.c
libmpdclient.h
load.c
malloc.c
mkpkg
mnt
mountiso.c
moz2elinks.pl
mp3rip
mpd-show.c
mpd-state-wrapper.sh
mpd-state.c
null.c
null.sh
pingrange.pl
pkg
rand-files.pl
rot13.c
settitle
show
slack-desc
surun
timer.c
tpwd-test.sh
tpwd.c
traf.sh
tuptime.c
virtman.sh
xcolor2rgb
xgetclass.c

README

                     Tiny Applications Collection

Tiny Applications Collection is a set of small programs, shell scripts
and  other things  which  may be  useful  in everyday  life of  system
administrators, users  and programmers.   They can be  also used  as a
base for a more specialised application as they are all Open Source.

If you have written utility which may be useful for others and want to
share it please email me  at mina86/AT/mina86.com, I'll be glad to add
your utility to the collection.

At the moment the collection includes:

 * add - adds specified text to each line from stdin;

 * arpping - tool which pings device with given IP using ARP protocol.
   It may be used without IP address assigned to our machine,
   ie. priori to calling DHCP client or such.

 * changelog.pl  -   application  providing  global   change  log  for
   administrators to  fill and  users to read.   For instance,  can be
   used in /etc/profile to show all news;

 * cdiff (C and sed versions) -  adds ANSI codes to the output of diff
   making it a bit more readable.

 * check.sh  -  performs  a  defined checking  (whether  www.googl.com
   responds to pings by default) and runs specified command if failed.
   May be used to automatically  shut down PC when connection is lost,
   try to reconnect, monitor a server machine and send message to it's
   admin if it's down, keep given application running and many more;

 * checkmail -  checks whether mboxes  given as arguments  contain any
   urnead mail;

 * cpuload.sh - tiny  script showing the CPU load.   May be useful for
   people  interested in  how  it  is calculated  (see  also load  and
   traf.sh);

 * cutcom - removes C++ comments  from stdin and outputs the result to
   stdout;

 * drun  - it's  really  'null' with  aditional  ability to  daemonize
   (hence  the  name).   Helpful  when  running  X  applications  from
   a terminal.

 * errno  - a  tool for  converting  between errno  error numbers  and
   symbolic names which also prints error message.

 * extractlinks.pl  - extracts links  from a  HTML page.   Useful, for
   example, when downloading an Internet gallery;

 * foreach - a  tool for running given command for  each of the values
   specified  on command  line.  In  that, it  is almost  identical to
   plain for loop, but it's strength comes from the possibility to run
   many commands at once.

 * FvwmTransFocus  - an  FVWM  module which  changes windows'  opacity
   depending  on focus.   When  window looses  focus  it becomes  more
   transparent which looks "neet";

 * genpass - generates  a  random  strong  password.  Shell  and  Perl
   versions present;

 * getlyrics.pl - downloads  lyrics of a given song  from the Internet
   (http://www.lyrc.com.ar/ actually);

 * gz2bz - a shell  script which allows converting between compression
   formats.  It  started as gzip  -> bzip2 converter but  now supports
   conversion  between compress,  gzip, bzip2,  xz, lzma  and anything
   else you specify.

 * inplace -  a shell script which  runs given commmand  for all given
   files and replace their content with whatever the command returns;

 * installkernel  - pretty  complex  script for  installing the  Linux
   kernel.   It  makes  a  lot  of aspects  of  upgrading  the  kernel
   automatic.  The first versions required bash to run but the now, it
   is believed  to run on any  POSIX compatible platform so  it can be
   run even on small embeded systems;

 * lesspipe -  an input processor  for less pager  which automatically
   decompresses  compressed  files, list  contents  of archives,  list
   contents of a  directory, download file from the  Internet and many
   more.

 * load -  shows CPU  load, memory and  net traffic  statistics.  It's
   mostly  ment for  people who  are  curious how  to callculate  such
   statistics and use  some code from the file  in their programs (see
   also cpuload.sh and traf.sh);

 * malloc -  a small program  which allocates memory.   Sounds stupid?
   Mayby, but in theory it can help freeing RAM and therefore speeding
   up the machine;

 * mountiso  - a simple  mount/umount wrapper  for mounting/unmounting
   ISO images  or any other files  using loop option.  You  have to be
   root to use '-o loop' so if you want to mount an ISO image you have
   to login as  root.  This utility should be  SUIDed and then anyoune
   can use it to mount ISO images.  By default it is not included when
   installing tinyapps using 'make  install' or creating package - you
   need to install it by yourself.

 * moz2elinks.pl  -  converts  bookmarks  from  Mozilla's  to  ELinks'
   (http://elinks.or.cz) format;

 * mp3rip - a  command line utility for ripping  tracks from CD Audio.
   It uses  cdparanoia to rip  the tracks and  lame to encode  them to
   MP3s.

 * mpd-show - tool meant to  display song currently played in MPD.  It
   displays it  in a terminal  in one line with  background indicating
   the progress.  It  requires libmpdclient.h and libmpdclient.c files
   to compile;

 * mpd-state  - a  program based  on Avuton  Olrich's  state-utils for
   saving and restoring MPD  (Music Player Daemon) state.  It requires
   libmpdclient.h and libmpdclient.c files to compile;

 * mpd-state-wrapper.sh  -  a  small  shell  script  making  mpd-state
   behaving like Avuton Olrich's state-utils.

 * null  - a C  program (null.c)  and a  shell script  (null.sh) which
   discard  standard input.   It is  meant for  people who  thnik that
   '>/dev/null' is too long to type  every time. :) It may also be run
   with arguments  and the given program  will be run  and both stdout
   and stderr will be redirected to /dev/null;

 * pingrange.pl - pings a range of addresses;

 * pkg - a wrapper for apt-get, yum and Slackware's package management
   scripts which "does what you mean" on all of those systems and also
   makes  the  command shorter  by  automatically  running it  through
   sudo/surun if necessary.

 * rand-files.pl - chooses a random set of files, where each file may
   have its own rank or probability, read from standard input such
   that their size is no greater then given limit.  Useful for
   choosing random set of songs to copy to our portable player.

 * rot13 - performs an ROT13 'encryption' on stdin;

 * settitle -  sets the title of  xterm, rxvt, Eterm,  aterm and other
   xterm-compatible terminals;

 * show  - shows  colourised  (if  ccza is  available)  log file  with
   possible option of searching for  a pattern.  Small but handy - you
   don't  have to write  `less /var/log/syslog`  anymore and  get ugly
   black and white log;

 * SlackBuild.gen  -  generates a  SlackBuild  template.   It was  not
   really debugged yet but I believe that it'll work quit good;

 * surun -  a wrapper  for sudo/su tool  (whichever is  available) for
   running given  command as root  or launching root shell.   It hides
   differences between  the two command  semantics as well  as between
   running the tool  as root or non-root (in the  former case, sudo/su
   won't be invoked at all).

 * timer - a text-mode timer counting with accuracy to 0.01 s;

 * tpwd -  truncates PWD  to specified number  of characters.   May be
   used in PS1  to display only the  end of the PWD instead  of a full
   60-character long PWD which doesn't really look nice;

 * traf.sh - tiny script  showing traffic statistics.  Many things are
   hardcoded  in  the   source  but  it  may  be   useful  for  future
   modifications  or to  learn  how traffic  is  calculated (see  also
   cpuload.sh and load);

 * tuptime  - my  personal favourite  :)  Displays total  (sum of  all
   uptimes)  and biggest  uptime.   Might be  used  as replacement  to
   standard uptime utility;

 * virtman.sh -  adds virtual hosts to Apache  configuration for given
   user.  May be added to  some kind of adduser script for automagical
   addition of virtual hosts.

 * xcolor2rgb  -  reads from  argument  list  (or  from stdin,  if  no
   arguments are given) and prints appropriate RGB value to stdout.

 * xgetclass - prints window's  application name and class as returned
   by XGetClassHint.   May be used in  some kind of  shell scripts but
   honestly I just  wrote it to test XGetClassHint  function and since
   I did it I decided to include it in tinyapps. :)

More  documentation about  each  utility is  usually  provided in  the
source code.