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--- other:python:misc_by_jyp [2021/07/07 13:07]
jypeter Added the paths/filenames section
+++ other:python:misc_by_jyp [2021/07/15 13:29]
jypeter [Working with paths and filenames] Added shutil and and example
@@ Line 49: / Line 49: @@
     * Available since Python version 3.4
     * [[https://docs.python.org/3/library/pathlib.html#correspondence-to-tools-in-the-os-module|Matching pathlib, and os or os.path functions]]
+  * [[https://docs.python.org/3/library/shutil.html|High-level file operations]]
+=== Example: getting the size(s) of all the files in a directory ===
+<code>$ cd /data/jypmce/TestDir
+$ ls -l
+total 72
+-rw-r--r-- 1 jypmce ipsl 18147 Jun 25  2012 get_TS_cmip5.py
+-rw-r--r-- 1 jypmce ipsl 16152 Jun 21  2012 get_TS_cmip5.py~
+-rw-r--r-- 1 jypmce ipsl 13954 Jul  3  2012 get_TS_cmip5_regular.py
+-rw-r--r-- 1 jypmce ipsl 16539 Jun 22  2012 get_TS_cmip5_regular.py~</code>
+<code>>>> os.chdir('/data/jypmce/TestDir')
+>>> print(os.getcwd())
+/data/jypmce/TestDir
+>>> files_list = os.listdir()
+>>> files_list
+['get_TS_cmip5.py~', 'get_TS_cmip5_regular.py', 'get_TS_cmip5_regular.py~', 'get_TS_cmip5.py']
+>>> files_sizes = list(map(os.path.getsize, files_list))
+>>> files_sizes
+[16152, 13954, 16539, 18147]
+>>> sum(files_sizes)
+</code>
 ==== Using command-line arguments ====

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