Show HN: Pythonpy – the swiss army knife of the command line

Post by [deleted] » Sun, Aug 10, 2014, 2:21 PM UTC

S4M wrote: post #17

I like it! Now I can count the number of files I have in a directory: ls |py -l 'sum(1 for x in l)' And also I can count the number of files whose names matche a certain extension: ls |grep .py |py -l 'sum(1 for x in l)' I am not saying it was not possible before, but I don't know how to do it in bash. Looking forward to use that for some basic stats on file. The following should sum up the first column of a csv. cat…

Post by canistr » Sun, Aug 10, 2014, 4:34 PM UTC

thejosh wrote: post #11

k_os wrote: post #7

You should put up a donation link. If more people do that and it becomes common practice to donate to useful open source tools / projects then imagine what more awesome stuff could be created. Many people desire to build tools but don't have the financial support to do so.

This is what gittip is for. And Kickstarter/Indiegogo/Crowdfunding has shown genuine interest to help fund useful tools and libraries lately which is great.

Post by S4M » Sun, Aug 10, 2014, 4:54 PM UTC

mitchty wrote: post #23

S4M wrote: post #17

I like it! Now I can count the number of files I have in a directory: ls |py -l 'sum(1 for x in l)' And also I can count the number of files whose names matche a certain extension: ls |grep .py |py -l 'sum(1 for x in l)' I am not saying it was not possible before, but I don't know how to do it in bash. Looking forward to use that for some basic stats on file. The following should sum up the first column of a csv. cat…

You'll probably want to learn the regular unix way as well. Tools like this are nice, but you're already 99% there as it is for most things. ls | wc -l ls | grep -c .py (note the cat and pipe are not needed) awk -F',' '{sum+=$1}END{print sum}' data.csv

Post by n0body » Sun, Aug 10, 2014, 5:34 PM UTC

Demiurge wrote: post #16

n0body wrote: post #12

Earlier quoted context omitted.

Or perl.

Or learned Perl and are too afraid...

Post by mitchty » Sun, Aug 10, 2014, 6:35 PM UTC

S4M wrote: post #26

mitchty wrote: post #23

Earlier quoted context omitted.

You'll probably want to learn the regular unix way as well. Tools like this are nice, but you're already 99% there as it is for most things. ls | wc -l ls | grep -c .py (note the cat and pipe are not needed) awk -F',' '{sum+=$1}END{print sum}' data.csv

Ah! I haven't thought of using wc, although I frequently use it to count the number of lines in my code. For awk, yes, I have to learn it. Thanks to you and the others who gave the example in bash.