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python_cli [2021/02/07 16:19] – rajupython_cli [2021/02/28 05:52] – raju
Line 3: Line 3:
 get_column_names.py $filename | grep -i coupon | \ get_column_names.py $filename | grep -i coupon | \
 python -c "import sys; print(','.join(line.strip() for line in sys.stdin))" 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/
 +
 +==== sql string in clause ====
 +<code>
 +cat junk3.txt | \
 +python -c "import sys; print('\'', '\', \''.join(line.strip() for line in sys.stdin), '\'', sep='')"
 </code> </code>
  
python_cli.txt · Last modified: 2021/02/28 06:27 by raju