Removing the old catpoint version.
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Christoph Lohmann
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21c9fbd191
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4ad1da8099
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# catpoint
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LDLIBS = -lcurses
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BIN = catpoint
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all: $(BIN)
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clean:
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rm -f $(BIN)
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# Synopsis
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Catpoint is a simple viewer of text files written in curses.
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Further documentation comes in a series of slides. Just do:
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$ make && ./catpoint showoff/*.txt
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# Usage
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catpoint file ...
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This source has been taken from
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http://www.2f30.org/~lostd
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Sadly the source seems to not work when this repository was created so I added
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the file as-is. There was no LICENSE included, so assume the work to be public
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domain.
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Christoph Lohmann, 2014-01-21
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/* $Id: catpoint.c,v 1.2 2013/03/28 12:00:48 lostd Exp $ */
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <err.h>
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#include <curses.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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int
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main(int argc, char *argv[])
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{
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int c, i, fd;
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char **p; /* the slides */
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if (argc == 1)
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errx(1, "usage: %s file ...", argv[0]);
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argv++;
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argc--;
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p = calloc(argc, sizeof(char *));
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/* map files to mem */
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for (i = 0; argv[i] != NULL; i++) {
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fd = open(argv[i], O_RDONLY, 0);
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if (fd == -1)
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err(1, "open: %s", argv[i]);
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p[i] = mmap(NULL, 0x1000, PROT_READ, MAP_PRIVATE, fd, 0);
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if (p[i] == MAP_FAILED)
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err(1, "mmap");
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close(fd);
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}
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/* init curses */
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initscr();
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cbreak();
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noecho();
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nonl();
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intrflush(stdscr, FALSE);
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keypad(stdscr, TRUE);
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curs_set(FALSE); /* hide cursor */
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/* start */
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i = 0;
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show:
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/* display slide */
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clear();
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printw(p[i]);
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again:
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c = getch();
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switch (c) {
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case 'q':
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break;
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/* next */
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case 'l':
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case 'j':
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case KEY_RIGHT:
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case KEY_DOWN:
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if (i < argc - 1) {
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i++;
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goto show;
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}
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goto again;
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/* prev */
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case 'h':
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case 'k':
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case KEY_LEFT:
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case KEY_UP:
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if (i > 0) {
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i--;
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goto show;
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}
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goto again;
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default:
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goto again;
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}
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/* unmap mem */
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for (i = 0; argv[i] != NULL; i++)
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munmap(p[i], 0x1000);
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endwin(); /* restore terminal */
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return (0);
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}
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.----------------------------------------------------------------.
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| How to transform your presentation into pure art with catpoint |
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'----------------------------------------------------------------'
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Lazaros Koromilas <lostd@2f30.org>
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http://www.2f30.org/~lostd
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Create the slides
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=================
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o Create a text file for every slide
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00-intro.txt
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01-files.txt
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02-config.txt
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03-run.txt
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04-graph.txt
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99-end.txt
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o You can use banner or figlet to generate text art
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o You can use gnuplot to produce graphs using
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set term dumb
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Configure the environment
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=========================
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o You can alter your xterm defaults by adding the
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following lines to your ~/.Xdefaults:
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XTerm*background: white
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XTerm*foreground: black
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XTerm*faceName: xft:Monospace:size=16
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o Open an xterm and maximize its window
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Run the presentation
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====================
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o Go to the directory where the files live
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o Run catpoint with the list of files as arguments
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$ catpoint *.txt
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Show graphs
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===========
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+---------+---------+---------+---------+---------+---------+---------+
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| Rate +----+ |
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| |
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20 ++ +-+ ++
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| +-+ | | +-+ |
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15 ++ +-+ | | | | | | ++
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10 ++ +-+ | | | | | | | | ++
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5 ++ +-+ | | | | | | | | | | ++
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| | | | | | | | | | | | | |
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| | | | | | | | | | | | | |
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0 ++--------+---------+---------+---------+---------+---------+--------++
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60 128 256 512 1024 1514
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Packet size (bytes)
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Exporting
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=========
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o Easily create a basic Black on White PDF export like that:
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$ enscript *.txt -Brf "Courier16" -p - > slides.ps
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$ ps2pdf slides.ps
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@ -1,12 +0,0 @@
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EOF
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===
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_____ _ _ _
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|_ _| |__ __ _ _ __ | | _____| |
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| | | '_ \ / _` | '_ \| |/ / __| |
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| | | | | | (_| | | | | <\__ \_|
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|_| |_| |_|\__,_|_| |_|_|\_\___(_)
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