Jonathan Hodgson
7 years ago
parent
ab572b0d32
commit
3f67c75e60
2 changed files with 290 additions and 96 deletions
@ -0,0 +1,8 @@ |
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#!/usr/bin/bash |
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markup=$(curl https://www.packtpub.com/packt/offers/free-learning 2> /dev/null | sed 's/"\/\//"https:\/\//g') |
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#img=$(echo "$markup" | sed -n "/dotd-main-book-image/,$ p" | head | sed -n "/<img/ p") |
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#img=$(echo "$markup" | sed -n "/dotd-main-book-image/,$ p" | head | sed -n "/<img/ p" | sed -nr "s/.*<img.*?src=[\"|'](.*?)[\"|'].*/\3/p") |
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img=$(echo "$markup" | sed -n "/dotd-main-book-image/,$ p" | head | sed -n "/<img/ p" | sed -nr 's/.*?<img src="([^"]*)".*img.*/\1/p') |
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curl "$img" > /tmp/freeBook 2> /dev/null |
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imgcat /tmp/freeBook |
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rm /tmp/freeBook |
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@ -1,103 +1,289 @@ |
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#!/bin/bash |
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VERSION="1.2" # Version number of wiw |
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|
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# tmux requires unrecognized OSC sequences to be wrapped with DCS tmux; |
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# <sequence> ST, and for all ESCs in <sequence> to be replaced with ESC ESC. It |
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# only accepts ESC backslash for ST. |
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function print_osc() { |
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if [[ $TERM == screen* ]] ; then |
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printf "\033Ptmux;\033\033]" |
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else |
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printf "\033]" |
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fi |
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} |
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|
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# More of the tmux workaround described above. |
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function print_st() { |
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if [[ $TERM == screen* ]] ; then |
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printf "\a\033\\" |
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else |
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printf "\a" |
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fi |
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} |
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|
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# print_image filename inline base64contents |
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# filename: Filename to convey to client |
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# inline: 0 or 1 |
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# base64contents: Base64-encoded contents |
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function print_image() { |
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print_osc |
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printf '1337;File=' |
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if [[ -n "$1" ]]; then |
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printf 'name='`echo -n "$1" | base64`";" |
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fi |
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if $(base64 --version 2>&1 | grep GNU > /dev/null) |
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then |
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BASE64ARG=-d |
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else |
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BASE64ARG=-D |
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fi |
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echo -n "$3" | base64 $BASE64ARG | wc -c | awk '{printf "size=%d",$1}' |
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printf ";inline=$2" |
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printf ";width=50" |
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printf ":" |
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echo -n "$3" |
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print_st |
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printf '\n' |
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} |
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|
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function error() { |
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echo "ERROR: $*" 1>&2 |
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} |
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|
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function show_help() { |
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echo "Usage: imgcat filename ..." 1>& 2 |
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echo " or: cat filename | imgcat" 1>& 2 |
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} |
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|
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## Main |
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|
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if [ -t 0 ]; then |
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has_stdin=f |
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else |
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has_stdin=t |
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fi |
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|
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# Show help if no arguments and no stdin. |
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if [ $has_stdin = f -a $# -eq 0 ]; then |
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show_help |
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exit |
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fi |
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|
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# Look for command line flags. |
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while [ $# -gt 0 ]; do |
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case "$1" in |
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-h|--h|--help) |
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show_help |
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exit |
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;; |
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-*) |
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error "Unknown option flag: $1" |
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show_help |
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exit 1 |
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;; |
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*) |
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if [ -r "$1" ] ; then |
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print_image "$1" 1 "$(base64 < "$1")" |
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else |
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error "imgcat: $1: No such file or directory" |
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exit 2 |
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fi |
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;; |
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esac |
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shift |
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W3MIMGDISPLAY="/usr/lib/w3m/w3mimgdisplay" # Were w3mimgdisplay is located |
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DEL="-" # The default delimiter between items |
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DFW="7" # Default font width |
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DFH="16" # Default font height |
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|
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CLEAR="0" # If this is set to 1 it clears the teminal before printing the image |
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FIT="1" # If this is set to 1 then wiw will limit the size of the image |
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ECHO="0" # If this is set to 1 then wiw will output the command that should be piped into w3mimgdisplay, instead of printing the image |
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CENTER="0" # If this is set to 1 then wiw will center the image between x,y and mw,mh |
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|
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# Print help |
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if [[ "$1" == "-h" ]] || [[ "$1" == "--help" ]]; then |
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echo "wiw: w3mimg Wrapper Version: $VERSION" |
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echo "USAGE" |
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echo " wiw [-h --help] Display this" |
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echo " wiw --size IMAGE Print the width and height of the image, returned as 'WIDTH HEIGHT'" |
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echo " wiw [ARGS] IMAGE Display an image on the terminal" |
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echo " wiw --echo [ARGS] IMAGE Print out the command to produce the desired image" |
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echo " wiw --direct CMD Pass a command directly into w3mimgdisplay" |
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echo "ARGS" |
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echo " --clear Clear the terminal before printing the image" |
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echo " --no-fit Don't force the image to fit the terminal" |
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echo " --center Tells wiw to center the image in the given space" |
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echo " -f width${DEL}height Set the width and height of the font, used to determine max term size and items specified in U" |
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echo " (default width = ${DFW}, default height = ${DFH})" |
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echo " -g x${DEL}y${DEL}width${DEL}height Set the x, y, width, and height of the image" |
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echo " (default x = 0, default y = 0, default w = term width, default h = term height)" |
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echo " You can specify these as a #U (were # is any number) to use the unit of the font" |
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echo " width and height can be set to R, this will preserve image ratio" |
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echo " -s x${DEL}y${DEL}width${DEL}height Set the x, y, width, and height of the source image" |
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echo " (default x = 0, default y = 0, default w = image width, default h = image height)" |
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echo " You can specify these as a #U (were # is any number) to use the unit of the font" |
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echo " This command is a bit weird, I would reccomend not using it unless really needed" |
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echo " -m width${DEL}height Set the max width and height the image can consume" |
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echo " (default w = full term width, default h = full term height)" |
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echo " You can specify these as a #U (were # is any number) to use the unit of the font" |
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echo " You can specify these as a #N (were # is any number) to subtract from the max term size" |
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echo " -c width${DEL}height Set the cursor position for after the image is printed" |
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echo " (default x = 0, default y = line after image)" |
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echo " x and y can be set to LAST, to be placed at the last element" |
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echo " -d delimiter Set the delimiter between items in the -f, -g, and -s args (MUST BE A SINGLE CHARACTER)" |
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echo " (default delimiter = '${DEL}')" |
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exit |
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# Print the size of the image |
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elif [[ "$1" == "--size" ]]; then |
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echo -e "5;$2" | $W3MIMGDISPLAY |
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exit |
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# Pass a command directly into w3mimgdisplay |
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elif [[ "$1" == "--direct" ]]; then |
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echo -e "$2" | $W3MIMGDISPLAY |
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exit |
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fi |
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|
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|
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|
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# Cycle through args |
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while [ $# != 1 ]; do |
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if [[ "$1" == "--clear" ]]; then |
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CLEAR="1" |
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elif [[ "$1" == "--no-fit" ]]; then |
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FIT="0" |
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elif [[ "$1" == "--echo" ]]; then |
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ECHO="1" |
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elif [[ "$1" == "--center" ]]; then |
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CENTER="1" |
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elif [[ "$1" == "-f" ]]; then |
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FW=`echo "$2" | cut -d "$DEL" -f1` |
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FH=`echo "$2" | cut -d "$DEL" -f2` |
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shift |
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elif [[ "$1" == "-g" ]]; then |
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X=`echo "$2" | cut -d "$DEL" -f1` |
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Y=`echo "$2" | cut -d "$DEL" -f2` |
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W=`echo "$2" | cut -d "$DEL" -f3` |
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H=`echo "$2" | cut -d "$DEL" -f4` |
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shift |
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elif [[ "$1" == "-s" ]]; then |
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SX=`echo "$2" | cut -d "$DEL" -f1` |
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SY=`echo "$2" | cut -d "$DEL" -f2` |
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SW=`echo "$2" | cut -d "$DEL" -f3` |
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SH=`echo "$2" | cut -d "$DEL" -f4` |
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shift |
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elif [[ "$1" == "-c" ]]; then |
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CX=`echo "$2" | cut -d "$DEL" -f1` |
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CY=`echo "$2" | cut -d "$DEL" -f2` |
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shift |
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elif [[ "$1" == "-m" ]]; then |
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MW=`echo "$2" | cut -d "$DEL" -f1` |
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MH=`echo "$2" | cut -d "$DEL" -f2` |
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shift |
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elif [[ "$1" == "-d" ]]; then |
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DEL="$2" |
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shift |
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fi |
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shift |
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done |
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|
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# Read and print stdin |
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if [ $has_stdin = t ]; then |
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print_image "" 1 "$(cat | base64)" |
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# Set the file to the only remaining param |
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FN="$1" |
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shift |
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# Test to make sure that the file exists |
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test -e "$FN" || exit |
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|
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### SET DEFAULTS IF THEY WERE NOT SET BY ARGS |
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|
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# If an font width or height was not set then use the default |
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if [[ "$FW" == "" ]]; then |
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FW="$DFW" |
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fi |
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if [[ "$FH" == "" ]]; then |
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FH="$DFH" |
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fi |
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|
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# If an X or Y was not set then set them to 0 |
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if [[ "$X" == "" ]]; then |
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X="0"; |
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fi |
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if [[ "$Y" == "" ]]; then |
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Y="0"; |
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fi |
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|
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# If an x or y is in U |
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if [[ "$X" == *"U" ]]; then |
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X=`echo "$X" | cut -d "U" -f1` |
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X=$(($X * $FW)) |
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fi |
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if [[ "$Y" == *"U" ]]; then |
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Y=`echo "$Y" | cut -d "U" -f1` |
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Y=$(($Y * $FH)) |
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fi |
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|
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# Full image width and height |
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read IW IH <<< `echo -e "5;$FN" | $W3MIMGDISPLAY` |
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|
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# If no width or height were specified use the temp |
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if [[ "$W" == "" ]]; then |
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W="$IW"; |
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fi |
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if [[ "$H" == "" ]]; then |
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H="$IH"; |
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fi |
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|
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# If a width or height is in U |
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if [[ "$W" == *"U" ]]; then |
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W=`echo "$W" | cut -d "U" -f1` |
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W=$(($W * $FW)) |
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fi |
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if [[ "$H" == *"U" ]]; then |
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H=`echo "$H" | cut -d "U" -f1` |
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H=$(($H * $FH)) |
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fi |
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|
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# If no sx or sy were set then set them to 0 |
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if [[ "$SX" == "" ]]; then |
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SX="0"; |
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fi |
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if [[ "$SY" == "" ]]; then |
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SY="0"; |
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fi |
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|
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# If an sx or sy is in U |
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if [[ "$SX" == *"U" ]]; then |
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SX=`echo "$SX" | cut -d "U" -f1` |
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SX=$(($SX * $FW)) |
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fi |
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if [[ "$SY" == *"U" ]]; then |
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SY=`echo "$SY" | cut -d "U" -f1` |
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SY=$(($SY * $FH)) |
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fi |
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|
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# If no s width or s height were specified use the temp |
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if [[ "$SW" == "" ]]; then |
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SW="$IW"; |
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fi |
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if [[ "$SH" == "" ]]; then |
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SH="$IH"; |
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fi |
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|
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# If a width or height is in U |
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if [[ "$SW" == *"U" ]]; then |
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SW=`echo "$SW" | cut -d "U" -f1` |
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SW=$(($SW * $FW)) |
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fi |
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if [[ "$SH" == *"U" ]]; then |
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SH=`echo "$SH" | cut -d "U" -f1` |
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SH=$(($SH * $FH)) |
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fi |
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|
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# Get column and line count |
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COL=`tput cols` |
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LIN=`tput lines` |
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|
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# TEMPORARY VARIABLES FOR THE ABILITY TO USE BOTH U AND N |
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TMW="$MW" |
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TMH="$MH" |
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|
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# If no max width or height were set then use the default |
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if [[ "$TMW" == "" ]]; then |
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MW=$((($FW * $COL) - $X + $SX)) |
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fi |
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if [[ "$TMH" == "" ]]; then |
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MH=$((($FH * $(($LIN - 2)) - $Y + $SY))) # substract lines for prompt |
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fi |
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|
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# If a width or height is in U |
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if [[ "$TMW" == *"U"* ]]; then |
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MW=`echo "$MW" | cut -d "U" -f1 | cut -d "N" -f1` |
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MW=$(($MW * $FW)) |
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fi |
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if [[ "$TMH" == *"U"* ]]; then |
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MH=`echo "$MH" | cut -d "U" -f1 | cut -d "N" -f1` |
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MH=$(($MH * $FH)) |
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fi |
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|
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echo |
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echo |
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# If a width or height is in U |
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if [[ "$TMW" == *"N"* ]]; then |
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MW=`echo "$MW" | cut -d "U" -f1 | cut -d "N" -f1` |
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MW=$((($FW * $COL) - $X + $SX - $MW)) |
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fi |
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if [[ "$TMH" == *"N"* ]]; then |
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MH=`echo "$MH" | cut -d "U" -f1 | cut -d "N" -f1` |
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MH=$((($FH * $(($LIN - 2)) - $Y + $SY - $MH))) |
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fi |
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exit 0 |
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### DONE SETTING DEFAULTS |
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|
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if [[ "$W" == "R" ]] && [[ "$H" == "R" ]]; then |
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W="$IW"; |
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H="$IH"; |
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elif [[ "$W" == "R" ]]; then |
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W=$(($IW * $H)) |
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W=`printf "%.0f" $(echo "scale=2;$W/$IH" | bc)` |
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elif [[ "$H" == "R" ]]; then |
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H=$(($IH * $W)) |
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H=`printf "%.0f" $(echo "scale=2;$H/$IW" | bc)` |
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fi |
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|
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# If --no-fit was not run then limit size |
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if [[ "$FIT" == "1" ]]; then |
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if test $W -gt $MW; then |
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H=$(($H * $MW / $W)) |
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W=$MW |
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fi |
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if test $H -gt $MH; then |
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W=$(($W * $MH / $H)) |
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H=$MH |
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fi |
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fi |
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|
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# If --center was run |
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if [[ "$CENTER" == "1" ]]; then |
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X=$((($MW - $W) / 2)) |
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Y=$((($MH - $H) / 2)) |
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fi |
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|
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# Format the command |
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WC="0;1;$X;$Y;$W;$H;$SX;$SY;$SW;$SH;$FN\n4;\n3;" |
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# If no cx or cy was set then use the defaults |
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if [[ "$CX" == "" ]]; then |
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CX="0"; |
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fi |
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if [[ "$CY" == "" ]]; then |
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CY=$(($H + $Y - $SY)) |
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CY=`printf "%.0f" $(echo "scale=2;$CY/$FH" | bc)` |
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fi |
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# If cx or cy was set to LAST |
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if [[ "$CX" == "LAST" ]]; then |
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CX="$COL"; |
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fi |
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if [[ "$CY" == "LAST" ]]; then |
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CY="$LIN" |
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fi |
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# If --echo was run |
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if [[ "$ECHO" == "1" ]]; then |
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echo -e "$WC" |
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else |
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# If --clear was run |
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if [[ "$CLEAR" == "1" ]]; then |
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clear |
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fi |
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tput cup $CY $CX |
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echo -e "$WC" | $W3MIMGDISPLAY |
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fi |
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|
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