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A collection of tiny applications, mirror of repository at SourceForge.net http://tinyapps.sourceforge.net/
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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.