bash2zsh history import (ruby)

bash_to_zsh_history.rb

@@ -0,0 +1,32 @@
+
+#################################################################
+# = This script transfers bash history to zsh history
+# = Change bash and zsh history files, if you don't use defaults
+#
+# = Usage: ruby bash_to_zsh_history.rb
+#
+# = Author: Ankit Goyal
+#################################################################
+
+# change if you don't use default values
+BASH_HISTORY_FILE_PATH="#{ENV['HOME']}/.bash_history"
+ZSH_HISTORY_FILE_PATH="#{ENV['HOME']}/.zsh_history"
+
+# Read the bash history file
+bash_hist_file = File.read(BASH_HISTORY_FILE_PATH)
+
+# Get the list of commands from bash history hile
+command_list = bash_hist_file.split("\n")
+
+# Open the zsh history file
+zsh_hist_file = File.open(ZSH_HISTORY_FILE_PATH, "a")
+
+# Get timestamp required for zsh history file format and update the history file
+time = Time.now.to_i
+command_list.each do |command|
+  time += 1
+  zsh_hist_file.write(": #{time}:0;#{command}\n")
+end
+
+# Close the file
+zsh_hist_file.close