Update custom scripts

bin/bangs

@@ -0,0 +1,93 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i oil -p coreutils ripgrep handlr gnused xxd
+
+# A ripoff from Duckduckgo bangs.
+
+# Examples:
+# ```
+# bangs hello there !g !aw
+# ```
+# will open a search result page on Google and Arch Wiki
+
+# These are the default bangs available.
+# Bangs are alphanumeric keys that shouldn't have whitespace characters.
+const config_dir = "${XDG_CONFIG_HOME:-"$HOME/.config"}/bangs"
+const config_file = "${config_dir}/config.json"
+const default_config = {
+    'aw': {
+        'name': 'Arch Wiki',
+        'url': 'https://wiki.archlinux.org/index.php?title=Special%3ASearch&search={{{s}}}'
+    },
+    'gh': {
+        'name': 'GitHub',
+        'url': 'https://github.com/search?utf8=%E2%9C%93&q={{{s}}}'
+    },
+    'g': {
+        'name': 'Google',
+        'url': 'https://www.google.com/search?q={{{s}}}'
+    },
+    'so': {
+        'name': 'Stack Overflow',
+        'url': 'http://stackoverflow.com/search?q={{{s}}}'
+    },
+    'w': {
+        'name': 'Wikipedia',
+        'url': 'https://en.wikipedia.org/wiki/Special:Search?search={{{s}}}'
+    }
+}
+
+const bangs_prefix = "${BANGS_PREFIX:-~}"
+const bangs_placeholder = "${BANGS_PLACEHOLDER:-{{{s}}}}"
+const bangs_format = / %start $bangs_prefix word+ %end /
+const valid_bangs = %()
+const search_query = %()
+if test -f $config_file {
+  json read :bangs < $config_file
+} else {
+  var bangs = default_config
+}
+
+# Stolen from https://gist.github.com/cdown/1163649 and https://gist.github.com/cdown/1163649#gistcomment-1256298
+proc urlencode(msg) {
+  for (i in 0:len(msg)) {
+    var char = msg[i - 1]
+
+    case $char {
+        [a-zA-Z0-9.~_-])
+          printf '%s' $char
+          ;;
+        *)
+          printf '%s' $char | xxd -plain -cols 1 | while read :hex { printf '%%%s' $hex }
+          ;;
+    }
+  }
+}
+
+proc warnf(format, @msg) {
+  >&2 printf "$format\\n" @msg
+}
+
+for i in @ARGV {
+  write -- $i | rg --quiet $bangs_format || {
+    push :search_query $i
+    continue
+  }
+
+  var bang = $(write -- $i | sed --regexp-extended --expression "s/^${bangs_prefix}//")
+  if (bang in bangs) {
+    push :valid_bangs $bang
+    warnf "%s will be used to search." $bang
+  } else {
+    warnf "%s is not found in the database." $bang
+  }
+}
+
+var query = $(printf "%s " @search_query)
+warnf "Search query is '%s'" $query
+
+for bang in @valid_bangs {
+  var metadata = bangs[bang]
+  var url = $(write -- ${metadata['url']} | sed --expression "s/${bangs_placeholder}/$(urlencode $query)/")
+
+  handlr open $url
+}

bin/edit-file-metadata

@@ -39,38 +39,38 @@ var skip = false
 var json_data = false
 var move = false
 
-while test $# -gt 0 {
-  case $1 {
+while test $len(ARGV) -gt 0 {
+  case $[ARGV[0]] {
     -h|--help)
       echo $help_section
       exit 0
       ;;
     -a|--author)
-      set author = $2
+      setvar author = ARGV[1]
       shift 2
       ;;
     -t|--title)
-      set title = $2
+      setvar title = ARGV[1]
       shift 2
       ;;
     -d|--date)
-      set pub_date = $2
+      setvar pub_date = ARGV[1]
       shift 2
       ;;
     --skip)
-      set skip = true
+      setvar skip = true
       shift
       ;;
     --json)
-      set json_data = true
+      setvar json_data = true
       shift
       ;;
     --move)
-      set move = true
+      setvar move = true
       shift
       ;;
     *)
-      set path = $1
+      setvar path = ARGV[0]
       shift
       ;;
   }
@@ -78,13 +78,13 @@ while test $# -gt 0 {
 
 proc kebab-case(word) {
     # Convert into lower case.
-    set word = $(echo $word | tr '[:upper:]' '[:lower:]')
+    setvar word = $(echo $word | tr '[:upper:]' '[:lower:]')
 
     # What happens to this line:
     # * Convert all whitespace and dashes into a single dash.
     # * Remove all invalid characters (all that are not alphanumeric characters and dashes).
     # * Remove leading and trailing dashes.
-    set word = $(echo $word | sed --regexp-extended --expression 's/\s+|-+/-/g' --expression 's/[^.a-z0-9-]//g' --expression 's/^-+|-+\$//g')
+    setvar word = $(echo $word | sed --regexp-extended --expression 's/\s+|-+/-/g' --expression 's/[^.a-z0-9-]//g' --expression 's/^-+|-+\$//g')
 
     echo $word
 }
@@ -98,10 +98,10 @@ proc prompt(string, :out, prefix = ">> ") {
 proc file_parse(path, :out) {
     var extension_regex = / '.' ![ '.' ]+ %end /
     var file = {}
-    set file['dir'] = $(dirname $path)
-    set file['name'] = $(basename $path | sed --regexp-extended "s|(.+)${extension_regex}|\\1|")
-    set file['ext'] = $(basename $path | sed --regexp-extended "s|.+(${extension_regex})|\\1|")
-    set file['mime_type'] = $(file --mime-type --brief $path)
+    setvar file['dir'] = $(dirname $path)
+    setvar file['name'] = $(basename $path | sed --regexp-extended "s|(.+)${extension_regex}|\\1|")
+    setvar file['ext'] = $(basename $path | sed --regexp-extended "s|.+(${extension_regex})|\\1|")
+    setvar file['mime_type'] = $(file --mime-type --brief $path)
 
     setref out = file
 }
@@ -135,10 +135,10 @@ file_parse $path :file_info
 
 if (json_data) {
     var metadata = {}
-    set metadata['file'] = file_info
-    set metadata['title'] = $title
-    set metadata['author'] = $author
-    set metadata['date'] = $pub_date
+    setvar metadata['file'] = file_info
+    setvar metadata['title'] = $title
+    setvar metadata['author'] = $author
+    setvar metadata['date'] = $pub_date
     json write :metadata
 }
 

bin/generate-bangs

@@ -0,0 +1,23 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i oil -p coreutils curl jq
+
+# Generate the config with Duckduckgo bangs.
+# Very useful if you really want just to search as you would in Duckduckgo.
+
+const bang_url = "${BANGS_URL:-https://duckduckgo.com/bang.js}"
+const config = {}
+
+# We still have to use some external tools like jq since Oil doesn't support nested objects yet.
+# For more information, see https://github.com/oilshell/oil/issues/741
+curl --silent --location $bang_url | jq 'sort_by(.t) | .[]' --raw-output --compact-output --sort-keys | while read --line {
+    write -- $_line | json read :bang
+    var _data = {}
+    var trigger = bang['t']
+
+    setvar _data['name'] = bang['s']
+    setvar _data['url'] = bang['u']
+    setvar config[trigger] = _data
+}
+
+json write :config
+

bin/generate-gitignore

@@ -1,24 +1,17 @@
-#!/usr/bin/env bash
+#!/usr/bin/env nix-shell
+#! nix-shell --pure -i bash -p curl jq fzf coreutils findutils iputils
 
 # A quick command line interface for creating a gitignore with the API from https://gitignore.io.
 # This script comes with a simple caching to avoid creating too much requests.
 
-# Dependencies:
-# * bash
-# * curl
-# * fzf
-# * jq
-# * paste
-# * xargs
-
 set -eo pipefail
 
 CACHE_FILE="${XDG_CACHE_DIR:-$HOME/.cache}/gitignore-io.langs.json"
 
 # Check if the language list is downloaded for the last hour (3600 seconds).
-if [ ! -e $CACHE_FILE ] || test $(expr $(date "+%s") - $(date -r $CACHE_FILE "+%s")) -gt 3600
+if [[ ! -e $CACHE_FILE ]] || test $(expr $(date "+%s") - $(date -r $CACHE_FILE "+%s")) -gt 3600
 then
-    ping "gitignore.io" --count 4 && curl --silent --location --output $CACHE_FILE "https://gitignore.io/api/list?format=json"
+    ping -q -c 4 "gitignore.io" && curl --silent --location "https://gitignore.io/api/list?format=json" --output $CACHE_FILE
 fi
 
 KEYS=$(jq 'keys | .[] | @text' --raw-output $CACHE_FILE | fzf --multi | while read lang; do echo " .[\"$lang\"].contents"; done | paste -s -d ',')

bin/split-album

@@ -10,8 +10,8 @@ split-album [options...] [\$ALBUM_FILE \$TIMESTAMP_FILE]
 Options:
     -h, --help                      Show the help section.
     --tutorial                      Show a helpful tutorial-esque description of the program.
-    -af, --audio-file [file]        Set the audio file to be split.
-    -tf, --timestamp-file [file]    Set the timestamp file to be used for splitting.
+    --audio-file [file]             Set the audio file to be split.
+    --timestamp-file [file]         Set the timestamp file to be used for splitting.
     -t, --title [title]             Set the title of the album.
     -d, --date [date]               Set the publication date of the album.
     -a, --author [author]           Set the author of the album.