1 files changed, 137 insertions, 91 deletions

diff --git a/.local/bin/nuke b/.local/bin/nuke
index f8f9d8b..cbcf3a3 100755
--- a/.local/bin/nuke
+++ b/.local/bin/nuke
@@ -1,6 +1,5 @@
 #!/usr/bin/env sh
 
-# #############################################################################
 # Description: Sample script to play files in apps by file type or mime
 #
 # Shell: POSIX compliant
@@ -14,7 +13,7 @@
 #   2. Run nnn with the program option to indicate a CLI opener
 #         nnn -c
 #         # The -c program option overrides option -e
-#   3. nuke can use nnn plugins (e.g. mocplay is used for audio), $PATH is updated.
+#   3. nuke can use nnn plugins (e.g. mocq is used for audio), $PATH is updated.
 #
 # Details:
 #   Inspired by ranger's scope.sh, modified for usage with nnn.
@@ -22,9 +21,10 @@
 #   Guards against accidentally opening mime types like executables, shared libs etc.
 #
 #   Tries to play 'file' (1st argument) in the following order:
-#   i. by extension
-#   ii. by mime (image, video, audio, pdf)
-#   iii. by mime (other file types)
+#     1. by extension
+#     2. by mime (image, video, audio, pdf)
+#     3. by mime (other file types)
+#     4. by mime (prompt and run executables)
 #
 # Modification tips:
 #   1. Invokes CLI utilities by default. Set GUI to 1 to enable GUI apps.
@@ -32,7 +32,7 @@
 #   3. Start GUI apps in bg to unblock. Redirect stdout and strerr if required.
 #   4. Some CLI utilities are piped to the $PAGER, to wait and quit uniformly.
 #   5. If the output cannot be paged use "read -r _" to wait for user input.
-#   6. On a DE, try 'xdg-open' in handle_fallback() as last resort.
+#   6. On a DE, try 'xdg-open' or 'open' in handle_fallback() as last resort.
 #
 #   Feel free to change the utilities to your favourites and add more mimes.
 #
@@ -42,7 +42,7 @@
 #      rar: list with unrar
 #      7-zip: list with 7z
 #      pdf: zathura (GUI), pdftotext, mutool, exiftool
-#      audio: mocplay (nnn plugin using MOC), mpv, mediainfo, exiftool
+#      audio: mocq (nnn plugin using MOC), mpv, media_client (Haiku), mediainfo, exiftool
 #      avi|mkv|mp4: smplayer, mpv (GUI), ffmpegthumbnailer, mediainfo, exiftool
 #      log: vi
 #      torrent: rtorrent, transmission-show
@@ -51,22 +51,22 @@
 #      htm|html|xhtml: w3m, lynx, elinks
 #      json: jq, python (json.tool module)
 #   Multimedia by mime:
-#      image/*: imv/sxiv (GUI), viu (https://github.com/atanunq/viu), img2txt, exiftool
+#      image/*: imv/sxiv/nsxiv (GUI), viu (https://github.com/atanunq/viu), img2txt, exiftool
 #      video/*: smplayer, mpv (GUI), ffmpegthumbnailer, mediainfo, exiftool
-#      audio/*: mocplay (nnn plugin using MOC), mpv, mediainfo, exiftool
+#      audio/*: mocq (nnn plugin using MOC), mpv, media_client (Haiku), mediainfo, exiftool
 #      application/pdf: zathura (GUI), pdftotext, mutool, exiftool
 #   Other mimes:
 #      text/troff: man -l
 #      text/* | */xml: vi
 #      image/vnd.djvu): djvutxt, exiftool
 #
-# ToDo:
+# TODO:
 #   1. Adapt, test and enable all mimes
 #   2. Clean-up the unnecessary exit codes
-# #############################################################################
 
-# set to 1 to enable GUI apps
-GUI="1"
+# set to 1 to enable GUI apps and/or BIN execution
+GUI="${GUI:-1}"
+BIN="${BIN:-0}"
 
 set -euf -o noclobber -o noglob -o nounset
 IFS="$(printf '%b_' '\n')"; IFS="${IFS%_}" # protect trailing \n
@@ -76,66 +76,80 @@ IMAGE_CACHE_PATH="$(dirname "$1")"/.thumbs
 
 FPATH="$1"
 FNAME=$(basename "$1")
-EDITOR="${EDITOR:-vi}"
+EDITOR="${VISUAL:-${EDITOR:-vi}}"
 PAGER="${PAGER:-less -R}"
 ext="${FNAME##*.}"
-if ! [ -z "$ext" ]; then
+if [ -n "$ext" ]; then
     ext="$(printf "%s" "${ext}" | tr '[:upper:]' '[:lower:]')"
 fi
 
+is_mac() {
+    uname | grep -q "Darwin"
+}
+
 handle_pdf() {
-    if [ "$GUI" -ne 0 ] && which zathura >/dev/null 2>&1; then
-        zathura "${FPATH}" >/dev/null 2>&1 &
-        exit 0
-    elif which pdftotext >/dev/null 2>&1; then
+    if [ "$GUI" -ne 0 ]; then
+        if is_mac; then
+            nohup open "${FPATH}" >/dev/null 2>&1 &
+        elif type zathura >/dev/null 2>&1; then
+            nohup zathura "${FPATH}" >/dev/null 2>&1 &
+        else
+            return
+        fi
+    elif type pdftotext >/dev/null 2>&1; then
         ## Preview as text conversion
         pdftotext -l 10 -nopgbrk -q -- "${FPATH}" - | eval "$PAGER"
-        exit 0
-    elif which mutool >/dev/null 2>&1; then
+    elif type mutool >/dev/null 2>&1; then
         mutool draw -F txt -i -- "${FPATH}" 1-10 | eval "$PAGER"
-        exit 0
-    elif which exiftool >/dev/null 2>&1; then
+    elif type exiftool >/dev/null 2>&1; then
         exiftool "${FPATH}" | eval "$PAGER"
-        exit 0
+    else
+        return
     fi
+    exit 0
 }
 
 handle_audio() {
-    if which mocp >/dev/null 2>&1 && which mocplay >/dev/null 2>&1; then
-        mocplay "${FPATH}" "opener" >/dev/null 2>&1
-        exit 0
-    elif which mpv >/dev/null 2>&1; then
+    if type mocp >/dev/null 2>&1 && type mocq >/dev/null 2>&1; then
+        mocq "${FPATH}" "opener" >/dev/null 2>&1
+    elif type mpv >/dev/null 2>&1; then
         mpv "${FPATH}" >/dev/null 2>&1 &
-        exit 0
-    elif which mediainfo >/dev/null 2>&1; then
+    elif type media_client >/dev/null 2>&1; then
+        media_client play "${FPATH}" >/dev/null 2>&1 &
+    elif type mediainfo >/dev/null 2>&1; then
         mediainfo "${FPATH}" | eval "$PAGER"
-        exit 0
-    elif which exiftool >/dev/null 2>&1; then
+    elif type exiftool >/dev/null 2>&1; then
         exiftool "${FPATH}"| eval "$PAGER"
-        exit 0
+    else
+        return
     fi
+    exit 0
 }
 
 handle_video() {
-    if [ "$GUI" -ne 0 ] && which smplayer >/dev/null 2>&1; then
-        smplayer "${FPATH}" >/dev/null 2>&1 &
-        exit 0
-    elif [ "$GUI" -ne 0 ] && which mpv >/dev/null 2>&1; then
-        mpv "${FPATH}" >/dev/null 2>&1 &
-        exit 0
-    elif which ffmpegthumbnailer >/dev/null 2>&1; then
+    if [ "$GUI" -ne 0 ]; then
+        if is_mac; then
+            nohup open "${FPATH}" >/dev/null 2>&1 &
+        elif type smplayer >/dev/null 2>&1; then
+            nohup smplayer "${FPATH}" >/dev/null 2>&1 &
+        elif type mpv >/dev/null 2>&1; then
+            nohup mpv "${FPATH}" >/dev/null 2>&1 &
+        else
+            return
+        fi
+    elif type ffmpegthumbnailer >/dev/null 2>&1; then
         # Thumbnail
         [ -d "${IMAGE_CACHE_PATH}" ] || mkdir "${IMAGE_CACHE_PATH}"
         ffmpegthumbnailer -i "${FPATH}" -o "${IMAGE_CACHE_PATH}/${FNAME}.jpg" -s 0
         viu -n "${IMAGE_CACHE_PATH}/${FNAME}.jpg" | eval "$PAGER"
-        exit 0
-    elif which mediainfo >/dev/null 2>&1; then
+    elif type mediainfo >/dev/null 2>&1; then
         mediainfo "${FPATH}" | eval "$PAGER"
-        exit 0
-    elif which exiftool >/dev/null 2>&1; then
+    elif type exiftool >/dev/null 2>&1; then
         exiftool "${FPATH}"| eval "$PAGER"
-        exit 0
+    else
+        return
     fi
+    exit 0
 }
 
 # handle this extension and exit
@@ -144,22 +158,22 @@ handle_extension() {
         ## 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)
-            if which atool >/dev/null 2>&1; then
+            if type atool >/dev/null 2>&1; then
                 atool --list -- "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which bsdtar >/dev/null 2>&1; then
+            elif type bsdtar >/dev/null 2>&1; then
                 bsdtar --list --file "${FPATH}" | eval "$PAGER"
                 exit 0
             fi
             exit 1;;
         rar)
-            if which unrar >/dev/null 2>&1; then
+            if type unrar >/dev/null 2>&1; then
                 ## Avoid password prompt by providing empty password
                 unrar lt -p- -- "${FPATH}" | eval "$PAGER"
             fi
             exit 1;;
         7z)
-            if which 7z >/dev/null 2>&1; then
+            if type 7z >/dev/null 2>&1; then
                 ## Avoid password prompt by providing empty password
                 7z l -p -- "${FPATH}" | eval "$PAGER"
                 exit 0
@@ -183,39 +197,35 @@ handle_extension() {
 
         ## Log files
         log)
-            # "$EDITOR" "${FPATH}"
-            "$PAGER" "${FPATH}"
+            "$EDITOR" "${FPATH}"
             exit 0;;
 
         ## BitTorrent
         torrent)
-            if which rtorrent >/dev/null 2>&1; then
+            if type rtorrent >/dev/null 2>&1; then
                 rtorrent "${FPATH}"
                 exit 0
-            elif which transmission-show >/dev/null 2>&1; then
+            elif type transmission-show >/dev/null 2>&1; then
                 transmission-show -- "${FPATH}"
                 exit 0
             fi
             exit 1;;
 
         ## OpenDocument
-        odt|ods|odp|sxw|pptx|docx)
-            if which odt2txt >/dev/null 2>&1; then
+        odt|ods|odp|sxw)
+            if type odt2txt >/dev/null 2>&1; then
                 ## Preview as text conversion
                 odt2txt "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif [ "$GUI" -ne 0 ] && which libreoffice >/dev/null 2>&1; then
-                libreoffice "${FPATH}" &
-                exit 0
             fi
             exit 1;;
 
         ## Markdown
         md)
-            if which glow >/dev/null 2>&1; then
+            if type glow >/dev/null 2>&1; then
                 glow -sdark "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which lowdown >/dev/null 2>&1; then
+            elif type lowdown >/dev/null 2>&1; then
                 lowdown -Tterm "${FPATH}" | eval "$PAGER"
                 exit 0
             fi
@@ -224,13 +234,13 @@ handle_extension() {
         ## HTML
         htm|html|xhtml)
             ## Preview as text conversion
-            if which w3m >/dev/null 2>&1; then
+            if type w3m >/dev/null 2>&1; then
                 w3m -dump "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which lynx >/dev/null 2>&1; then
+            elif type lynx >/dev/null 2>&1; then
                 lynx -dump -- "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which elinks >/dev/null 2>&1; then
+            elif type elinks >/dev/null 2>&1; then
                 elinks -dump "${FPATH}" | eval "$PAGER"
                 exit 0
             fi
@@ -238,40 +248,44 @@ handle_extension() {
 
         ## JSON
         json)
-            if which jq >/dev/null 2>&1; then
+            if type jq >/dev/null 2>&1; then
                 jq --color-output . "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which python >/dev/null 2>&1; then
+            elif type python >/dev/null 2>&1; then
                 python -m json.tool -- "${FPATH}" | eval "$PAGER"
                 exit 0
             fi
             ;;
-
-        ## TeX
-        tex)
-            "$EDITOR" "${FPATH}"
-            exit 0;;
     esac
 }
 
+# sets the variable abs_target, this should be faster than calling printf
 abspath() {
     case "$1" in
-        /*) printf "%s\n" "$1";;
-        *)  printf "%s\n" "$PWD/$1";;
+        /*) abs_target="$1";;
+        *)  abs_target="$PWD/$1";;
     esac
 }
 
+# storing the result to a tmp file is faster than calling listimages twice
 listimages() {
-    find -L "$(dirname "$target")" -maxdepth 1 -type f -iregex \
-      '.*\(jpe?g\|bmp\|png\|gif\)$' -print0 | sort -z
+    find -L "///${1%/*}" -maxdepth 1 -type f -print0 |
+        grep -izZE '\.(jpe?g|png|gif|webp|tiff|bmp|ico|svg)$' |
+        sort -z | tee "$tmp"
 }
 
 load_dir() {
-    target="$(abspath "$2")"
-    count="$(listimages | grep -a -m 1 -ZznF "$target" | cut -d: -f1)"
+    abspath "$2"
+    tmp="${TMPDIR:-/tmp}/nuke_$$"
+    trap 'rm -f $tmp' EXIT
+    count="$(listimages "$abs_target" | grep -a -m 1 -ZznF "$abs_target" | cut -d: -f1)"
 
     if [ -n "$count" ]; then
-        listimages | xargs -0 "$1" -n "$count" --
+        if [ "$GUI" -ne 0 ]; then
+            xargs -0 nohup "$1" -n "$count" -- < "$tmp"
+        else
+            xargs -0 "$1" -n "$count" -- < "$tmp"
+        fi
     else
         shift
         "$1" -- "$@" # fallback
@@ -300,19 +314,27 @@ handle_multimedia() {
 
         ## Image
         image/*)
-            if [ "$GUI" -ne 0 ] && which imvr >/dev/null 2>&1; then
-                load_dir imvr "${FPATH}" >/dev/null 2>&1 &
-                exit 0
-            elif [ "$GUI" -ne 0 ] && which sxiv >/dev/null 2>&1; then
-                load_dir sxiv "${FPATH}" >/dev/null 2>&1 &
-                exit 0
-            elif which viu >/dev/null 2>&1; then
+            if [ "$GUI" -ne 0 ]; then
+                if is_mac; then
+                    nohup open "${FPATH}" >/dev/null 2>&1 &
+                    exit 0
+                elif type imvr >/dev/null 2>&1; then
+                    load_dir imvr "${FPATH}" >/dev/null 2>&1 &
+                    exit 0
+                elif type sxiv >/dev/null 2>&1; then
+                    load_dir sxiv "${FPATH}" >/dev/null 2>&1 &
+                    exit 0
+                elif type nsxiv >/dev/null 2>&1; then
+                    load_dir nsxiv "${FPATH}" >/dev/null 2>&1 &
+                    exit 0
+                fi
+            elif type viu >/dev/null 2>&1; then
                 viu -n "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which img2txt >/dev/null 2>&1; then
+            elif type img2txt >/dev/null 2>&1; then
                 img2txt --gamma=0.6 -- "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which exiftool >/dev/null 2>&1; then
+            elif type exiftool >/dev/null 2>&1; then
                 exiftool "${FPATH}" | eval "$PAGER"
                 exit 0
             fi
@@ -455,11 +477,11 @@ handle_mime() {
 
         ## DjVu
         image/vnd.djvu)
-            if which djvutxt >/dev/null 2>&1; then
+            if type djvutxt >/dev/null 2>&1; then
                 ## Preview as text conversion (requires djvulibre)
                 djvutxt "${FPATH}" | eval "$PAGER"
                 exit 0
-            elif which exiftool >/dev/null 2>&1; then
+            elif type exiftool >/dev/null 2>&1; then
                 exiftool "${FPATH}" | eval "$PAGER"
                 exit 0
             fi
@@ -469,8 +491,13 @@ handle_mime() {
 
 handle_fallback() {
     if [ "$GUI" -ne 0 ]; then
-        xdg-open "${FPATH}" >/dev/null 2>&1 &
-        exit 0
+        if type xdg-open >/dev/null 2>&1; then
+            nohup xdg-open "${FPATH}" >/dev/null 2>&1 &
+            exit 0
+        elif type open >/dev/null 2>&1; then
+            nohup open "${FPATH}" >/dev/null 2>&1 &
+            exit 0
+        fi
     fi
 
     echo '----- File details -----' && file --dereference --brief -- "${FPATH}"
@@ -496,10 +523,29 @@ handle_blocked() {
     esac
 }
 
-MIMETYPE="$( file --dereference --brief --mime-type -- "${FPATH}" )"
+handle_bin() {
+    case "${MIMETYPE}" in
+        application/x-executable|application/x-shellscript)
+        clear
+        echo '-------- Executable File --------' && file --dereference --brief -- "${FPATH}"
+        printf "Run executable (y/N/'a'rgs)? "
+        read -r answer
+        case "$answer" in
+            [Yy]* ) exec "${FPATH}";;
+            [Aa]* )
+                printf "args: "
+                read -r args
+                exec "${FPATH}" "$args";;
+            [Nn]* ) exit;;
+        esac
+    esac
+}
+
+MIMETYPE="$( file -bL --mime-type -- "${FPATH}" )"
 handle_extension
 handle_multimedia "${MIMETYPE}"
 handle_mime "${MIMETYPE}"
+[ "$BIN" -ne 0 ] && [ -x "${FPATH}" ] && handle_bin
 handle_blocked "${MIMETYPE}"
 handle_fallback