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--- python_cli [2021/02/05 23:32] – created raju
+++ python_cli [2021/02/28 06:27] (current) – [sort lines by length] raju
@@ Line 4: / Line 4: @@
 python -c "import sys; print(','.join(line.strip() for line in sys.stdin))"
 </code>
+==== sort lines by length ====
+<code>
+import fileinput
+print("".join(sorted(fileinput.input(), key=len)))
+</code>
+On the command line:
+<code>
+% cat random_snippets.txt | python -c 'import fileinput; print("".join(sorted(fileinput.input(), key=len)))'
+</code>
+Ref:- https://stackoverflow.com/questions/34401683/how-to-use-awk-to-sort-lines-by-length/
+See also:
+  * https://www.google.com/books/edition/The_Python_3_Standard_Library_by_Example/KtcnDwAAQBAJ?hl=en&gbpv=0 - The Python 3 Standard Library by Example - Doug Hellmann - 2017 . This book gives many sample scripts that make use of fileinput; The scripts are very practical in nature and explained well.
+==== sql string in clause ====
+<code>
+cat junk3.txt | \
+python -c "import sys; print('\'', '\', \''.join(line.strip() for line in sys.stdin), '\'', sep='')"
+</code>