Add 'findstr.sh' (misc)

misc/findstr.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+##################################################
+
+# Find a string in package files (Arch Linux)
+#
+# Usage:
+
+# bash ./findstr.sh <executable name> <searchable string>
+#
+# For example:
+#
+# bash ./findstr.sh makepkg E_USER_FUNCTION_FAILED
+
+##################################################
+
+for file in $(pacman -Ql $(pacman -Qo $(which "${1}") | awk '{print $($NF)}') | awk '{print $2}' | sed '/\/$/d'); do 
+    grep -ril "{2}" ${file}
+done