Created script and README.md

akashgiricse · akashgiricse · commit 01e64656d822 · 2018-01-19T22:11:19.000+05:30
diff --git a/RenamingFilesWithAmericanStyleDates-To-EuropeanStyleDates/README.md b/RenamingFilesWithAmericanStyleDates-To-EuropeanStyleDates/README.md
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+# Renaming Files with American-Style Dates to European-Style Dates
+
+Renames filenames with American MM-DD-YYYY date format to European DD-MM-YYYY
+
+### Getting started
+Dependenciies:
+- Python 3.6.x
+- Ubuntu 17.04 or later or Linux Mint 18.x 
+
+#### 1. Clone this repoistory
+```bash
+git clone https://github.com/akashgiricse/ScriptsUsingPython.git
+```
+
+### 2. Run this script in the directory in which you want to change the date format
+```bash
+python renameDates.py
+```
diff --git a/RenamingFilesWithAmericanStyleDates-To-EuropeanStyleDates/renameDates.py b/RenamingFilesWithAmericanStyleDates-To-EuropeanStyleDates/renameDates.py
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+#! python3
+
+# renameDates.py - Renames filenames with American MM-DD-YYYY date format
+# to European DD-MM-YYYY
+
+import shutil, os, re
+
+# create a regex that matches files with American date format.
+datePattern = re.compile(r"""^(.*?) # all text before thte date
+	((0|1)?\d)-     # one of two digits for the month
+	((0|1|2|3)\d)-  # one or two digits for the day
+	((19|20)\d\d)   # four digits for the year
+	(.*?)$			# all text after the date
+	""", re.VERBOSE)
+
+# Loop over the files in the working directory.
+for amerFilename in os.listdir('.'):
+	mo = datePattern.search(amerFilename)
+
+	# Skip files without a date.
+	if mo == None:
+		continue
+	# Get the different parts of the filename.
+	beforePart = mo.group(1)
+	monthPart  = mo.group(2)
+	dayPart    = mo.group(4)
+	yearPart   = mo.group(6)
+	afterPart  = mo.group(8)
+
+	# Form the European-style filename.
+	euroFilename = beforePart + dayPart + '-' + monthPart + '-' + yearPart + afterPart
+	# Get the full, absolute file paths.
+	absWorkingDir = os.path.abspath('.')
+	amerFilename = os.path.join(absWorkingDir, amerFilename)
+	euroFilename = os.path.join(absWorkingDir, euroFilename)
+
+	# Rename the files.
+	print('Renaming "%s" to "%s"...' %(amerFilename,euroFilename))
+	shutil.move(amerFilename, euroFilename) 
+
+
