info.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>bundleid</key>
	<string>com.monkeycz.alfred.fastdiff</string>
	<key>connections</key>
	<dict>
		<key>69FA6CCF-CB39-40AA-A1CD-73D5924F3FAD</key>
		<array>
			<dict>
				<key>destinationuid</key>
				<string>A29A6629-2607-4813-BDDC-741142B87C1B</string>
				<key>modifiers</key>
				<integer>0</integer>
				<key>modifiersubtext</key>
				<string></string>
			</dict>
		</array>
		<key>8ABFF811-A1C9-43B3-80E2-B19AB44A24B3</key>
		<array>
			<dict>
				<key>destinationuid</key>
				<string>69FA6CCF-CB39-40AA-A1CD-73D5924F3FAD</string>
				<key>modifiers</key>
				<integer>0</integer>
				<key>modifiersubtext</key>
				<string></string>
			</dict>
		</array>
	</dict>
	<key>createdby</key>
	<string>monkeycz</string>
	<key>description</key>
	<string>Diff the selected file or text via hotkey</string>
	<key>disabled</key>
	<false/>
	<key>name</key>
	<string>FastDiff</string>
	<key>objects</key>
	<array>
		<dict>
			<key>config</key>
			<dict>
				<key>lastpathcomponent</key>
				<false/>
				<key>onlyshowifquerypopulated</key>
				<true/>
				<key>output</key>
				<integer>0</integer>
				<key>removeextension</key>
				<false/>
				<key>sticky</key>
				<false/>
				<key>text</key>
				<string>{query}</string>
				<key>title</key>
				<string>FastDiff</string>
			</dict>
			<key>type</key>
			<string>alfred.workflow.output.notification</string>
			<key>uid</key>
			<string>A29A6629-2607-4813-BDDC-741142B87C1B</string>
			<key>version</key>
			<integer>0</integer>
		</dict>
		<dict>
			<key>config</key>
			<dict>
				<key>action</key>
				<integer>0</integer>
				<key>argument</key>
				<integer>1</integer>
				<key>hotkey</key>
				<integer>42</integer>
				<key>hotmod</key>
				<integer>1048576</integer>
				<key>hotstring</key>
				<string>\</string>
				<key>leftcursor</key>
				<false/>
				<key>modsmode</key>
				<integer>0</integer>
			</dict>
			<key>type</key>
			<string>alfred.workflow.trigger.hotkey</string>
			<key>uid</key>
			<string>8ABFF811-A1C9-43B3-80E2-B19AB44A24B3</string>
			<key>version</key>
			<integer>0</integer>
		</dict>
		<dict>
			<key>config</key>
			<dict>
				<key>escaping</key>
				<integer>4</integer>
				<key>script</key>
				<string>#################################################
# FastDiff for Alfred 2
#
# Author: monkeycz
# E-Mail: monkeycz@hotmail.com
#################################################

import os, tempfile, time

tempfile_pool = set()

def get_compare_file_path(query):
	if query and query[0] == '/' and os.path.exists(query):
		return query
	else:
		f = tempfile.NamedTemporaryFile(mode='w', prefix='fastdiff-')
		f.write(query)
		f.flush()
		tempfile_pool.add(f)
		return f.name

def main():
	query = """{query}"""

	if not query:
		print 'Please select a file or text segment.'
		return

	transfer_file_path = '/tmp/fastdiff'

	if os.path.exists(transfer_file_path):
		transfer_content = open(transfer_file_path, 'r').read()

		a_file_path = get_compare_file_path(transfer_content)
		b_file_path = get_compare_file_path(query)

		if os.path.exists("/Applications/Xcode.app/Contents/Applications/FileMerge.app"):
			os.system('''
open "/Applications/Xcode.app/Contents/Applications/FileMerge.app" --args -left "%s" -right "%s"
			''' % (a_file_path, b_file_path))
		elif os.path.exists("/Developer/Applications/Utilities/FileMerge.app"):
			os.system('''
open "/Developer/Applications/Utilities/FileMerge.app" --args -left "%s" -right "%s"
			''' % (a_file_path, b_file_path))
		elif os.path.exists('/Applications/iTerm2.app'):
			os.system('''
app_existed=$(cat &lt;&lt; EOB &gt;&gt; /tmp/app_existed.scpt; osascript /tmp/app_existed.scpt "ITRM"; rm /tmp/app_existed.scpt;
on run(argv)
	try
		set appCreator to argv as string
	on error
		set appCreator to ""
	end try
	tell application "System Events"
		set appInstances to count (every process whose creator type is appCreator)
		if appInstances &gt; 0 then
			set appExisted to true
		else
			set appExisted to false
		end if
	end tell
	return appExisted
end run
EOB)
$(cat &lt;&lt; EOB &gt;&gt; /tmp/launch_iterm2.scpt; osascript /tmp/launch_iterm2.scpt "$app_existed"; rm /tmp/launch_iterm2.scpt;
on run(argv)
	try
		set appExisted to argv as string
	on error
		set appExisted to "true"
	end try
	tell application "iTerm2"
		activate
		if appExisted is "true" then
			set _term to current terminal
			try
				get _term
			on error
				set _term to (make new terminal)
			end try
			tell _term
				launch session "Default"
				set _session to current session
			end tell
		else
			try
				set _session to current session of current terminal
			on error
				set _term to (make new terminal)
				tell _term
					launch session "Default"
					set _session to current session
				end tell
			end try
		end if
		tell _session
			write text "vimdiff \\"%s\\" \\"%s\\"; exit;"
		end tell
	end tell
end run
EOB)
			''' % (a_file_path, b_file_path))
		else:
			os.system('''
$(cat &lt;&lt; EOB &gt;&gt; /tmp/launch_terminal.scpt; osascript /tmp/launch_terminal.scpt; rm /tmp/launch_terminal.scpt;
on run(argv)
	tell application "Terminal"
		activate
		set currentTab to do script "vimdiff \\"%s\\" \\"%s\\"; exit;"
	end tell
end run
EOB)
			''' % (a_file_path, b_file_path))
		time.sleep(2)

		os.remove(transfer_file_path)

		print 'Get diff `right` context. Diffing...'
	else:
		open(transfer_file_path, 'w').write(query)
		print 'Get diff `left` content.'

try:
	main()
except Exception as e:
	print 'Error: %s' % e</string>
				<key>type</key>
				<integer>3</integer>
			</dict>
			<key>type</key>
			<string>alfred.workflow.action.script</string>
			<key>uid</key>
			<string>69FA6CCF-CB39-40AA-A1CD-73D5924F3FAD</string>
			<key>version</key>
			<integer>0</integer>
		</dict>
	</array>
	<key>readme</key>
	<string>The default hotkey is " + \". 

Step 1, Select a file or text segment then press the hotkey.
Step 2, Select another file or text segment then press the hotkey.

Well, the vimdiff will be launched in a new Terminal tab page and diff your selected.</string>
	<key>uidata</key>
	<dict>
		<key>69FA6CCF-CB39-40AA-A1CD-73D5924F3FAD</key>
		<dict>
			<key>ypos</key>
			<real>10</real>
		</dict>
		<key>8ABFF811-A1C9-43B3-80E2-B19AB44A24B3</key>
		<dict>
			<key>ypos</key>
			<real>10</real>
		</dict>
		<key>A29A6629-2607-4813-BDDC-741142B87C1B</key>
		<dict>
			<key>ypos</key>
			<real>10</real>
		</dict>
	</dict>
	<key>webaddress</key>
	<string>https://github.com/monkeycz/alfred-fastdiff</string>
</dict>
</plist>