Docs: add links to programs

Resolves #71

Co-authored-by: ld991 <140622991+ld991@users.noreply.github.com>

README.md

@@ -43,23 +43,47 @@ For example, you only need either `elinks`, `lynx` or
 <!--TABLESTART-->
 | File types | Programs |
 | ---- | ---- |
-| any | `exiftool` `cat` |
-| archive | `atool` |
-| audio | `ffmpegthumbnailer` `ffmpeg` |
-| diff | `colordiff` `delta` `diff-so-fancy` |
-| directory | `ls` |
-| font | `fontimage` |
-| gpg-encrypted | `gpg` |
-| html | `elinks` `lynx` `w3m` |
-| image | `ueberzug` `chafa` |
-| json | `jq` |
-| markdown | `glow` `mdcat` |
-| office | `libreoffice` |
-| pdf | `pdftoppm` |
-| svg | `convert` |
-| text | `bat` `cat` `highlight` `source-highlight` |
-| torrent | `transmission-show` |
-| video | `ffmpegthumbnailer` |
+| any | [exiftool][exiftool] cat |
+| archive | [atool][atool] |
+| audio | [ffmpegthumbnailer][ffmpegthumbnailer] [ffmpeg][ffmpeg] |
+| diff | [colordiff][colordiff] [delta][delta] [diff-so-fancy][diff-so-fancy] |
+| directory | ls |
+| font | fontimage |
+| gpg-encrypted | [gpg][gpg] |
+| html | [elinks][elinks] [lynx][lynx] [w3m][w3m] |
+| image | [ueberzug][ueberzug] [chafa][chafa] |
+| json | [jq][jq] |
+| markdown | [glow][glow] [mdcat][mdcat] |
+| office | [libreoffice][libreoffice] |
+| pdf | pdftoppm |
+| svg | convert |
+| text | bat cat [highlight][highlight] [source-highlight][source-highlight] |
+| torrent | transmission-show |
+| video | [ffmpegthumbnailer][ffmpegthumbnailer] |
+
+[ffmpegthumbnailer]: https://github.com/dirkvdb/ffmpegthumbnailer
+[w3m]: https://w3m.sourceforge.net/
+[elinks]: http://elinks.cz/
+[fontforge]: https://fontforge.org
+[exiftool]: https://github.com/exiftool/exiftool
+[highlight]: https://gitlab.com/saalen/highlight
+[chafa]: https://github.com/hpjansson/chafa
+[gpg]: https://www.gnupg.org/
+[transmission]: https://transmissionbt.com/
+[delta]: https://github.com/dandavison/delta
+[colordiff]: https://www.colordiff.org/
+[source-highlight]: https://www.gnu.org/software/src-highlite/
+[ueberzug]: https://github.com/seebye/ueberzug
+[mdcat]: https://github.com/swsnr/mdcat
+[glow]: https://github.com/charmbracelet/glow
+[atool]: https://www.nongnu.org/atool/
+[lynx]: https://github.com/jpanther/lynx
+[libreoffice]: https://www.libreoffice.org/
+[diff-so-fancy]: https://github.com/so-fancy/diff-so-fancy
+[imagemagick]: https://imagemagick.org/
+[poppler]: https://poppler.freedesktop.org/
+[jq]: https://github.com/jqlang/jq
+[ffmpeg]: https://ffmpeg.org/
 
 <!--TABLEEND-->
 

deptable/list.awk

@@ -29,11 +29,36 @@ function process_file(file,   i, line, arr, t, p, p_len) {
 
     t = arr[1]
     p_len = split(arr[2], p, /\s+/)
-    for (i = 1; i <= p_len; i++)
-        types[t][types_len[t]++] = p[i]
+    for (i = 1; i <= p_len; i++) {
+        types[t][types_len[t]++] = LINKS[p[i]] ? sprintf("[%s][%s]", p[i], p[i]) : p[i]
+    }
 }
 
 BEGIN {
+    LINKS["exiftool"]          = "https://github.com/exiftool/exiftool"
+    LINKS["atool"]             = "https://www.nongnu.org/atool/"
+    LINKS["ffmpegthumbnailer"] = "https://github.com/dirkvdb/ffmpegthumbnailer"
+    LINKS["ffmpeg"]            = "https://ffmpeg.org/"
+    LINKS["colordiff"]         = "https://www.colordiff.org/"
+    LINKS["delta"]             = "https://github.com/dandavison/delta"
+    LINKS["diff-so-fancy"]     = "https://github.com/so-fancy/diff-so-fancy"
+    LINKS["fontforge"]         = "https://fontforge.org"
+    LINKS["gpg"]               = "https://www.gnupg.org/"
+    LINKS["libreoffice"]       = "https://www.libreoffice.org/"
+    LINKS["elinks"]            = "http://elinks.cz/"
+    LINKS["lynx"]              = "https://github.com/jpanther/lynx"
+    LINKS["w3m"]               = "https://w3m.sourceforge.net/"
+    LINKS["ueberzug"]          = "https://github.com/seebye/ueberzug"
+    LINKS["chafa"]             = "https://github.com/hpjansson/chafa"
+    LINKS["jq"]                = "https://github.com/jqlang/jq"
+    LINKS["glow"]              = "https://github.com/charmbracelet/glow"
+    LINKS["mdcat"]             = "https://github.com/swsnr/mdcat"
+    LINKS["poppler"]           = "https://poppler.freedesktop.org/"
+    LINKS["imagemagick"]       = "https://imagemagick.org/"
+    LINKS["highlight"]         = "https://gitlab.com/saalen/highlight"
+    LINKS["source-highlight"]  = "https://www.gnu.org/software/src-highlite/"
+    LINKS["transmission"]      = "https://transmissionbt.com/"
+
     for (i = 1; i < ARGC; i++)
         process_file(ARGV[i])
 
@@ -41,4 +66,12 @@ BEGIN {
         s = s sprintf("%s\t%s\n", t, join(types[t], " "))
 
     printf "%s", s | "sort"
+    close("sort")
+
+    print ""
+    for (k in LINKS) {
+        if (!LINKS[k])
+            continue
+        printf ">\t%s\t%s\n", k, LINKS[k]
+    }
 }

deptable/markdown.sed

@@ -5,11 +5,22 @@
 | File types | Programs |\
 | ---- | ---- |
 
+# Format links
+/^>/ {
+  s/>\t/[/
+  s/\t/]: /
+  be
+}
+
 # Format rows
-s/ /` `/g
-s/\t/ | `/
-s/^/| /
-s/$/` |/
+/^$/! {
+  s/ / /g
+  s/\t/ | /
+  s/^/| /
+  s/$/ |/
+}
+
+:e
 
 # Add a newline at the end
 $a\

deptable/roff.sed

@@ -8,14 +8,28 @@ lb lb\
 l li .\
 File type\tPrograms
 
-# Substitute '-' with '\-'
-:a
-s/\(\t.*[^\\]\)-/\1\\-/
-ta
-
 # Format rows
-s/\t/&T{\n/; s/$/\nT}/
+/^$/! {
+  # Remove links
+  :a
+  s/\[\(\S*\)\]\[\S*\]/\1/
+  ta
+
+  # Substitute '-' with '\-'
+  :b
+  s/\(\t.*[^\\]\)-/\1\\-/
+  tb
+
+  # Add data block to enable line wrapping
+  s/\t/&T{\n/; s/$/\nT}/
+}
 
 # Add footer
 $a\
 .TE
+
+# Delete links
+/^>/d
+
+# Delete empty lines
+/^$/d