Multi-line commands with 'python -c'

[Peter Otten]

Rustom Mody wrote:

> On Friday, May 30, 2014 12:15:46 PM UTC+5:30, Rustom Mody wrote:
>> Heres a (poooor) approx
>> 
>> $ python -c 'import os, pprint; pprint.pprint ([ r for r, d, f in
>> os.walk(".") if len(d+f) != 1])'
> 
> Without pprint: (pooor)
> 
> python -c 'import os; print "\n".join([ r for r, d, f in os.walk(".") if
> len(d+f) != 1])'
> 
> Or (poor)
> 
> python -c 'from os import walk; print "\n".join([ r for r, d, f in
> walk(".") if len(d+f) != 1])'

If there are a lot of matching folders:

$ python -c 'import os, sys; sys.stdout.writelines(p + "\n" for p, f, n in 
os.walk(".") if len(n+f) == 1)'

With a little help from the shell:

$ echo -e "import os\nfor p, f, n in os.walk('.'):\n if len(f+n) == 1: 
print(p)" | python