Use POSIX compliant sh scripts if possible

user-scripts/copier

@@ -2,7 +2,7 @@
 
 # Description: Copy selection to clipboard
 #
-# Shell: generic
+# Shell: POSIX compliant
 # Author: Arun Prakash Jana
 
 # Linux

user-scripts/edit

@@ -2,11 +2,7 @@
 
 # Description: Fuzzy find a file in directory subtree with fzy and edit in vim
 #
-# Shell: generic
+# Shell: POSIX compliant
 # Author: Arun Prakash Jana
 
-# bash, zsh
-vim $(find -type f | fzy)
-
-# fish
-# vim (find -type f | fzy)
+vim `find -type f | fzy`

user-scripts/fzy

@@ -2,11 +2,7 @@
 
 # Description: Fuzzy find a file in directory subtree with fzy and open using xdg-open
 #
-# Shell: generic
+# Shell: POSIX compliant
 # Author: Arun Prakash Jana
 
-# bash, zsh
-xdg-open $(find -type f | fzy) >/dev/null 2>&1
-
-# fish
-# xdg-open (find -type f | fzy) >/dev/null 2>&1
+xdg-open `find -type f | fzy` >/dev/null 2>&1

user-scripts/kdeconnect

@@ -2,7 +2,7 @@
 
 # Description: Send the selected files to your Android device using kdeconnect-cli. You must have installed and configured kdeconnect both on the Android device and on the PC.
 #
-# Shell: Bash
+# Shell: bash
 # Author: juacq97
 
 id=$(kdeconnect-cli -a --id-only | awk '{print $1}')

user-scripts/picker

@@ -2,7 +2,7 @@
 
 # Description: Pick files and pipe the newline-separated list to another utility
 #
-# Shell: generic
+# Shell: POSIX compliant
 # Author: Arun Prakash Jana
 #
 # Usage:

user-scripts/upgrade

@@ -18,7 +18,7 @@ fi
 wget "https://github.com/jarun/nnn/releases/download/v$new/nnn_$new-1_debian9.amd64.deb"
 
 # install it
-dpkg -i nnn_$new-1_debian9.amd64.deb
+sudo dpkg -i nnn_$new-1_debian9.amd64.deb
 
 # remove the file
 rm -rf nnn_$new-1_debian9.amd64.deb