A few updates, cleanup updated weather module.

triggers/bye/bye.sh

@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 [ -f functions.sh ] && source functions.sh
 # All names to match are completely lowercase.
 exitName="${1%% *}"

triggers/greet/greet.sh

@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 [ -f functions.sh ] && source functions.sh
 # All names to match are completely lowercase.
 case "${1,,}" in

triggers/keywords/keywords.sh

@@ -1,3 +1,4 @@
+#!/usr/bin/env bash
 [ -f functions.sh ] && source functions.sh
 
 who="${1%!*}"
@@ -66,7 +67,7 @@ keywords[vim]="msg \"$chan\" \"$(shuf -n1 -e \
 wordList="$(echo "${@,,}" | tr '[:space:]' $'\n' | sort -u)"
 for w in ${wordList//[[:punct:]]/} ; do
 if [[ -n "${keywords[${w,,}]}" && "$lastWordMatch" != "${keywords[${w,,}]}" ]]; then
-eval ${keywords[${w,,}]}
+eval "${keywords[${w,,}]}"
 lastWordMatch="${keywords[${w,,}]}"
 fi
 done

triggers/link/link.sh

@@ -1,5 +1,14 @@
+#!/usr/bin/env bash
 [ -f functions.sh ] && source functions.sh
 
+# Dependencies required by this trigger
+dependencies=("curl" "w3m" "sed")
+
+# Silently skip if dependencies are missing (triggers shouldn't error in channel)
+if ! check_dependencies "${dependencies[@]}" &> /dev/null; then
+    exit 0
+fi
+
 for l in $3 ; do
 text="${l#:}"
 if [[ "${text}" =~ http://|https://|www\..* ]]; then