Backup commit before trying Luke's shortcut sync

aliases/zsh_aliases

@@ -120,6 +120,7 @@ alias lc="f ~/linux-config/"
 function glc() { grep $1 ~/linux-config/aliases/zsh_aliases ; } 
 alias lca="f ~/linux-config/aliases"
 
+source ~/.shortcuts
 alias vv="ni ~/.vimrc"
 alias vu="ni ~/.Xresources"
 alias vzb="ni ~/.zshrc"
@@ -149,7 +150,9 @@ silent="> /dev/null 2>&1& "
 
 alias ran="ranger"
 # okular
-function ok() { nohup okular $1 > /dev/null 2>&1& ; }
+# function ok() { nohup okular $1 > /dev/null 2>&1& ; }
+# zathura
+function za() { nohup zathura $1 > /dev/null 2>&1& ; }
 # xviewer
 function xv() { nohup xviewer $1 > /dev/null 2>&1& ; }
 function chr() { google-chrome $1 ; }

configs/i3/config

@@ -35,6 +35,7 @@ bindsym Mod4+p workspace $ws4; exec pgadmin3
 # bindsym Mod4+p exec pycharm
 # bindsym Mod4+r exec urxvt -e ranger
 bindsym Mod4+r exec $runelite
+bindsym control+$mod+s exec systemctl suspend
 bindsym Mod4+x exec $swex
 bindsym Print exec ksnapshot
 #  }}} app shortcuts # 

configs/ranger/bookmarks

@@ -1 +1 @@
-':/home/kevin/coding/spotify-lib-vis/src
+':/home/kevin/Downloads

configs/ranger/history

@@ -1,2 +1,3 @@
 rename rocket-league
 rename rocket-league.png
+find d

configs/ranger/rc.conf

@@ -68,7 +68,7 @@ set vcs_backend_bzr disabled
 set vcs_backend_svn disabled
 
 # Use one of the supported image preview protocols
-set preview_images false
+set preview_images true
 
 # Set the preview image method. Supported methods:
 #
@@ -659,7 +659,6 @@ copytmap <ESC> q Q w <C-c>
 #  }}}  # 
 
 # preview images
-set preview_images true
 set preview_images_method urxvt
 
 # editing ranger config
@@ -667,6 +666,7 @@ map R chain shell nvim -p ~/.config/ranger/rc.conf %rangerdir/config/rc.conf; so
 map rr source ~/.config/ranger/rc.conf
 
 # backgrounds
+map fd cd ~/Downloads
 map bg cd ~/Pictures/Backgrounds
 map w shell ~/.local/bin/wal -i %f
 map md shell mv %f dim
@@ -674,3 +674,4 @@ map mb shell mv %f vibrant
 
 # bulk rename
 map cw eval fm.execute_console("bulkrename") if fm.thisdir.marked_items else fm.open_console("rename ")
+source /home/kevin/.config/ranger/shortcuts.conf

configs/ranger/scope.sh

@@ -1,179 +1,89 @@
-#!/usr/bin/env bash
+#!/usr/bin/env sh
+# ranger supports enhanced previews.  If the option "use_preview_script"
+# is set to True and this file exists, this script will be called and its
+# output is displayed in ranger.  ANSI color codes are supported.
 
-set -o noclobber -o noglob -o nounset -o pipefail
+# NOTES: This script is considered a configuration file.  If you upgrade
-IFS=$'\n'
+# ranger, it will be left untouched. (You must update it yourself.)
-
+# Also, ranger disables STDIN here, so interactive scripts won't work properly
-# If the option `use_preview_script` is set to `true`,
-# then this script will be called and its output will be displayed in ranger.
-# ANSI color codes are supported.
-# STDIN is disabled, so interactive scripts won't work properly
-
-# This script is considered a configuration file and must be updated manually.
-# It will be left untouched if you upgrade ranger.
 
 # Meanings of exit codes:
 # code | meaning    | action of ranger
 # -----+------------+-------------------------------------------
-# 0    | success    | Display stdout as preview
+# 0    | success    | success. display stdout as preview
-# 1    | no preview | Display no preview at all
+# 1    | no preview | failure. display no preview at all
-# 2    | plain text | Display the plain content of the file
+# 2    | plain text | display the plain content of the file
-# 3    | fix width  | Don't reload when width changes
+# 3    | fix width  | success. Don't reload when width changes
-# 4    | fix height | Don't reload when height changes
+# 4    | fix height | success. Don't reload when height changes
-# 5    | fix both   | Don't ever reload
+# 5    | fix both   | success. Don't ever reload
-# 6    | image      | Display the image `$IMAGE_CACHE_PATH` points to as an image preview
+# 6    | image      | success. display the image $cached points to as an image preview
-# 7    | image      | Display the file directly as an image
 
-# Script arguments
+# Meaningful aliases for arguments:
-FILE_PATH="${1}"         # Full path of the highlighted file
+path="$1"    # Full path of the selected file
-PV_WIDTH="${2}"          # Width of the preview pane (number of fitting characters)
+width="$2"   # Width of the preview pane (number of fitting characters)
-PV_HEIGHT="${3}"         # Height of the preview pane (number of fitting characters)
+height="$3"  # Height of the preview pane (number of fitting characters)
-IMAGE_CACHE_PATH="${4}"  # Full path that should be used to cache image preview
+cached="$4"  # Path that should be used to cache image previews
-PV_IMAGE_ENABLED="${5}"  # 'True' if image previews are enabled, 'False' otherwise.
 
-FILE_EXTENSION="${FILE_PATH##*.}"
+maxln=200    # Stop after $maxln lines.  Can be used like ls | head -n $maxln
-FILE_EXTENSION_LOWER=$(echo ${FILE_EXTENSION} | tr '[:upper:]' '[:lower:]')
 
-# Settings
+# Find out something about the file:
-HIGHLIGHT_SIZE_MAX=262143  # 256KiB
+mimetype=$(file --mime-type -Lb "$path")
-HIGHLIGHT_TABWIDTH=8
+extension=$(/bin/echo -E "${path##*.}" | tr "[:upper:]" "[:lower:]")
-HIGHLIGHT_STYLE='pablo'
-PYGMENTIZE_STYLE='autumn'
 
+# Functions:
+# runs a command and saves its output into $output.  Useful if you need
+# the return value AND want to use the output in a pipe
+try() { output=$(eval '"$@"'); }
 
-handle_extension() {
+# writes the output of the previously used "try" command
-    case "${FILE_EXTENSION_LOWER}" in
+dump() { /bin/echo -E "$output"; }
-        # Archive
-        a|ace|alz|arc|arj|bz|bz2|cab|cpio|deb|gz|jar|lha|lz|lzh|lzma|lzo|\
-        rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z|zip)
-            atool --list -- "${FILE_PATH}" && exit 5
-            bsdtar --list --file "${FILE_PATH}" && exit 5
-            exit 1;;
-        rar)
-            # Avoid password prompt by providing empty password
-            unrar lt -p- -- "${FILE_PATH}" && exit 5
-            exit 1;;
-        7z)
-            # Avoid password prompt by providing empty password
-            7z l -p -- "${FILE_PATH}" && exit 5
-            exit 1;;
 
-        # PDF
+# a common post-processing function used after most commands
-        pdf)
+trim() { head -n "$maxln"; }
-            # Preview as text conversion
-			pdftotext -l 10 -nopgbrk -q -- "${FILE_PATH}" - && exit 5
-			# pdftoppm -jpeg -singlefile "$path" "${cached//.jpg}" && exit 6 || exit 1;;
-            exiftool "${FILE_PATH}" && exit 5
-            exit 1;;
 
-        # BitTorrent
+# wraps highlight to treat exit code 141 (killed by SIGPIPE) as success
-        torrent)
+highlight() { command highlight "$@"; test $? = 0 -o $? = 141; }
-            transmission-show -- "${FILE_PATH}" && exit 5
-            exit 1;;
 
-        # OpenDocument
+case "$extension" in
-        odt|ods|odp|sxw)
+    # Archive extensions:
-            # Preview as text conversion
+    7z|a|ace|alz|arc|arj|bz|bz2|cab|cpio|deb|gz|jar|lha|lz|lzh|lzma|lzo|\
-            odt2txt "${FILE_PATH}" && exit 5
+    rpm|rz|t7z|tar|tbz|tbz2|tgz|tlz|txz|tZ|tzo|war|xpi|xz|Z|zip)
-            exit 1;;
+        try als "$path" && { dump | trim; exit 0; }
+        try acat "$path" && { dump | trim; exit 3; }
+        try bsdtar -lf "$path" && { dump | trim; exit 0; }
+        exit 1;;
+    rar)
+        try unrar -p- lt "$path" && { dump | trim; exit 0; } || exit 1;;
+    # PDF documents:
+    pdf)
+        try pdftotext -l 10 -nopgbrk -q "$path" - && \
+            { dump | trim | fmt -s -w $width; exit 0; } || exit 1;;
+    # BitTorrent Files
+    torrent)
+        try transmission-show "$path" && { dump | trim; exit 5; } || exit 1;;
+    # HTML Pages:
+    htm|html|xhtml)
+        try w3m    -dump "$path" && { dump | trim | fmt -s -w $width; exit 4; }
+        try lynx   -dump "$path" && { dump | trim | fmt -s -w $width; exit 4; }
+        try elinks -dump "$path" && { dump | trim | fmt -s -w $width; exit 4; }
+        ;; # fall back to highlight/cat if the text browsers fail
+esac
 
-        # HTML
+case "$mimetype" in
-        htm|html|xhtml)
+    # Syntax highlight for text files:
-            # Preview as text conversion
+    text/* | */xml)
-            w3m -dump "${FILE_PATH}" && exit 5
+        try highlight --out-format=ansi "$path" && { dump | trim; exit 5; } || exit 2;;
-            lynx -dump -- "${FILE_PATH}" && exit 5
+    # Ascii-previews of images:
-            elinks -dump "${FILE_PATH}" && exit 5
+    image/*)
-            ;; # Continue with next handler on failure
+        img2txt --gamma=0.6 --width="$width" "$path" && exit 4 || exit 1;;
-    esac
+    # Image preview for videos, disabled by default:
-}
+    # video/*)
-
+    #     ffmpegthumbnailer -i "$path" -o "$cached" -s 0 && exit 6 || exit 1;;
-handle_image() {
+    # Display information about media files:
-    local mimetype="${1}"
+    video/* | audio/*)
-    case "${mimetype}" in
+        exiftool "$path" && exit 5
-        # SVG
+        # Use sed to remove spaces so the output fits into the narrow window
-        # image/svg+xml)
+        try mediainfo "$path" && { dump | trim | sed 's/  \+:/: /;';  exit 5; } || exit 1;;
-        #     convert "${FILE_PATH}" "${IMAGE_CACHE_PATH}" && exit 6
+esac
-        #     exit 1;;
-
-        # Image
-        image/*)
-            local orientation
-            orientation="$( identify -format '%[EXIF:Orientation]\n' -- "${FILE_PATH}" )"
-            # If orientation data is present and the image actually
-            # needs rotating ("1" means no rotation)...
-            if [[ -n "$orientation" && "$orientation" != 1 ]]; then
-                # ...auto-rotate the image according to the EXIF data.
-                convert -- "${FILE_PATH}" -auto-orient "${IMAGE_CACHE_PATH}" && exit 6
-            fi
-
-            # `w3mimgdisplay` will be called for all images (unless overriden as above),
-            # but might fail for unsupported types.
-            exit 7;;
-
-        # Video
-        # video/*)
-        #     # Thumbnail
-        #     ffmpegthumbnailer -i "${FILE_PATH}" -o "${IMAGE_CACHE_PATH}" -s 0 && exit 6
-        #     exit 1;;
-        # PDF
-        # application/pdf)
-        #     pdftoppm -f 1 -l 1 \
-        #              -scale-to-x 1920 \
-        #              -scale-to-y -1 \
-        #              -singlefile \
-        #              -jpeg -tiffcompression jpeg \
-        #              -- "${FILE_PATH}" "${IMAGE_CACHE_PATH%.*}" \
-        #         && exit 6 || exit 1;;
-    esac
-}
-
-handle_mime() {
-    local mimetype="${1}"
-    case "${mimetype}" in
-        # Text
-        text/* | */xml)
-            # Syntax highlight
-            if [[ "$( stat --printf='%s' -- "${FILE_PATH}" )" -gt "${HIGHLIGHT_SIZE_MAX}" ]]; then
-                exit 2
-            fi
-            if [[ "$( tput colors )" -ge 256 ]]; then
-                local pygmentize_format='terminal256'
-                local highlight_format='xterm256'
-            else
-                local pygmentize_format='terminal'
-                local highlight_format='ansi'
-            fi
-            highlight --replace-tabs="${HIGHLIGHT_TABWIDTH}" --out-format="${highlight_format}" \
-                --style="${HIGHLIGHT_STYLE}" --force -- "${FILE_PATH}" && exit 5
-            # pygmentize -f "${pygmentize_format}" -O "style=${PYGMENTIZE_STYLE}" -- "${FILE_PATH}" && exit 5
-            exit 2;;
-
-        # Image
-        image/*)
-            # Preview as text conversion
-            # img2txt --gamma=0.6 --width="${PV_WIDTH}" -- "${FILE_PATH}" && exit 4
-            exiftool "${FILE_PATH}" && exit 5
-            exit 1;;
-
-        # Video and audio
-        video/* | audio/*)
-            mediainfo "${FILE_PATH}" && exit 5
-            exiftool "${FILE_PATH}" && exit 5
-            exit 1;;
-    esac
-}
-
-handle_fallback() {
-    echo '----- File Type Classification -----' && file --dereference --brief -- "${FILE_PATH}" && exit 5
-    exit 1
-}
-
-
-MIMETYPE="$( file --dereference --brief --mime-type -- "${FILE_PATH}" )"
-if [[ "${PV_IMAGE_ENABLED}" == 'True' ]]; then
-    handle_image "${MIMETYPE}"
-fi
-handle_extension
-handle_mime "${MIMETYPE}"
-handle_fallback
 
 exit 1

configs/ranger/shortcuts.conf

@@ -0,0 +1,4 @@
+map gd cd ~/Downloads
+map td tab_new ~/Downloads
+map md shell mv -v %s ~/Downloads
+map Yd shell cp -rv %s ~/Downloads

dotfiles/vimrc

@@ -71,7 +71,7 @@ Plug '907th/vim-auto-save'
 Plug 'lervag/vimtex'
 	au BufWritePost *.tex silent call Tex_RunLaTeX()
 	au BufWritePost *.tex silent !pkill -USR1 xdvi.bin
-	let g:vimtex_view_general_viewer = 'okular'
+	let g:vimtex_view_general_viewer = 'zathura'
 
 " auto-completion for various languages
 Plug 'Valloric/YouCompleteMe'
@@ -237,10 +237,11 @@ autocmd Filetype tex inoremap <localleader>g \geq
 autocmd Filetype tex inoremap <localleader>i \in
 autocmd Filetype tex inoremap <localleader>l \leq
 autocmd Filetype tex inoremap <localleader>lr \Leftrightarrow
-autocmd Filetype tex inoremap <localleader>n \neg
+" autocmd Filetype tex inoremap <localleader>n \neg
+autocmd Filetype tex inoremap <localleader>n \neq
 autocmd Filetype tex inoremap <localleader>N \mathbb{N}
 autocmd Filetype tex inoremap <localleader>q \qquad
-autocmd Filetype tex inoremap <localleader>R \Rightarrow
+autocmd Filetype tex inoremap <localleader>r \Rightarrow
 autocmd Filetype tex inoremap <localleader>st such that
 autocmd Filetype tex inoremap <localleader>S \Sigma
 autocmd Filetype tex inoremap <localleader>t \times

dotfiles/zshrc

@@ -110,3 +110,4 @@ then
 	# enable horizontal scrolling
 	synclient HorizTwoFingerScroll=1
 fi
+source /home/kevin/.shortcuts

key_dirs.txt

@@ -0,0 +1,3 @@
+D	~/Documents
+d 	~/Downloads
+ho  ~/

shortcuts.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Shell rc file (i.e. bash vs. zsh, etc.)
+shellrc="$HOME/.zshrc"
+
+# Config locations
+folders="$HOME/linux-config/key_dirs.txt"
+configs="$HOME/.key_files"
+
+# Output locations
+shell_shortcuts="$HOME/.shortcuts"
+ranger_shortcuts="$HOME/.config/ranger/shortcuts.conf"
+
+# Remove
+rm -f "$ranger_shortcuts" 2>/dev/null
+echo "alias \\" > "$shell_shortcuts"
+
+# Ensure text of argument 1 exists in the file argument 2
+ensure() { (grep "$1" "$2")>/dev/null 2>&1 || echo "$1" >> "$2" ;}
+
+ensure "source $shell_shortcuts" "$shellrc"
+ensure "source $HOME/.config/ranger/shortcuts.conf" "$HOME/.config/ranger/rc.conf"
+
+# Format the `folders` file in the correct syntax and sent it to all three configs.
+sed "s/#.*$//;/^$/d" "$folders" | tee >(awk '{print $1"=\"cd "$2" && ls -a\" \\"}' >> "$shell_shortcuts") \
+	| awk '{print "map g"$1" cd "$2"\nmap t"$1" tab_new "$2"\nmap m"$1" shell mv -v %s "$2"\nmap Y"$1" shell cp -rv %s "$2}' >> "$ranger_shortcuts"
+
+# Format the `configs` file in the correct syntax and sent it to both configs.
+sed "s/#.*$//;/^$/d"  "$configs" | tee >(awk '{print $1"=\"$EDITOR "$2"\" \\"}' >> "$shell_shortcuts") \
+	| awk '{print "map "$1" shell $EDITOR "$2}' >> "$ranger_shortcuts"