Compatibility with Mac's pre-4.0 Bash

This will eliminate the need to additionally install Bash v4+ on Mac

Author: gavvvr

fzf-url.sh

@@ -35,13 +35,13 @@ else
     content="$(tmux capture-pane -J -p -S -"$limit")"
 fi
 
-mapfile -t urls < <(echo "$content" |grep -oE '(https?|ftp|file):/?//[-A-Za-z0-9+&@#/%?=~_|!:,.;]*[-A-Za-z0-9+&@#/%=~_|]')
-mapfile -t wwws < <(echo "$content" |grep -oE '(http?s://)?www\.[a-zA-Z](-?[a-zA-Z0-9])+\.[a-zA-Z]{2,}(/\S+)*' | grep -vE '^https?://' |sed 's/^\(.*\)$/http:\/\/\1/')
-mapfile -t ips  < <(echo "$content" |grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}(:[0-9]{1,5})?(/\S+)*' |sed 's/^\(.*\)$/http:\/\/\1/')
-mapfile -t gits < <(echo "$content" |grep -oE '(ssh://)?git@\S*' | sed 's/:/\//g' | sed 's/^\(ssh\/\/\/\)\{0,1\}git@\(.*\)$/https:\/\/\2/')
+urls=$(echo "$content" |grep -oE '(https?|ftp|file):/?//[-A-Za-z0-9+&@#/%?=~_|!:,.;]*[-A-Za-z0-9+&@#/%=~_|]')
+wwws=$(echo "$content" |grep -oE '(http?s://)?www\.[a-zA-Z](-?[a-zA-Z0-9])+\.[a-zA-Z]{2,}(/\S+)*' | grep -vE '^https?://' |sed 's/^\(.*\)$/http:\/\/\1/')
+ips=$(echo "$content" |grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}(:[0-9]{1,5})?(/\S+)*' |sed 's/^\(.*\)$/http:\/\/\1/')
+gits=$(echo "$content" |grep -oE '(ssh://)?git@\S*' | sed 's/:/\//g' | sed 's/^\(ssh\/\/\/\)\{0,1\}git@\(.*\)$/https:\/\/\2/')
 
 if [[ $# -ge 1 && "$1" != '' ]]; then
-    mapfile -t extras < <(echo "$content" |eval "$1")
+    extras=$(echo "$content" |eval "$1")
 fi
 
 items=$(printf '%s\n' "${urls[@]}" "${wwws[@]}" "${ips[@]}" "${gits[@]}" "${extras[@]}" |
@@ -51,7 +51,7 @@ items=$(printf '%s\n' "${urls[@]}" "${wwws[@]}" "${ips[@]}" "${gits[@]}" "${extr
 )
 [ -z "$items" ] && tmux display 'tmux-fzf-url: no URLs found' && exit
 
-mapfile -t chosen < <(fzf_filter <<< "$items" | awk '{print $2}')
+chosen=$(fzf_filter <<< "$items" | awk '{print $2}')
 
 for item in "${chosen[@]}"; do
     open_url "$item" &>"/tmp/tmux-$(id -u)-fzf-url.log"