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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.
And Kickstarter/Indiegogo/Crowdfunding has shown genuine interest to help fund useful tools and libraries lately which is great.
For those too lazy to learn the right shell commands ;)
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.
It isn't about motivating people to do things; that creates abandonware. It is about solving a problem that needs solving.
is there a ruby equivalent?
$ ruby -e 'puts (0...3).to_a' | ruby -ne 'p $_.to_i*7'
$ ruby -e 'puts (0...8).to_a' | ruby -ne 'puts $_ if $_.to_i % 2 == 0'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.
Can't disagree more. That completely misunderstands the motivating philosophy behind effort expenditure given to FLOSS. It isn't about motivating people to do things; that creates abandonware. It is about solving a problem that needs solving.
ls |py -l 'sum(1 for x in l)' ls |grep .py |py -l 'sum(1 for x in l)'
Looking forward to use that for some basic stats on file. The following should sum up the first column of a csv.
cat data.csv| py -x 'x[0]' |py -l 'sum(x for x in l)'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…
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…
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…
To work with input split into columns, use awk. By default, it assumes the columns are separated with spaces. This can be customized with the '-F' option.
So your last example can be rewritten as
awk -F, '{s+=$1} END{print s}' data.csv