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gregwebs / Shelly.hs

Haskell shell scripting
BSD 3-Clause "New" or "Revised" License
418 stars 88 forks source link

runHandle and (print_stderr False) #117

Closed ozgurakgun closed 8 years ago

ozgurakgun commented 8 years ago

Hi,

I had reported another issue (#101) a while back, but I never followed up. I am not using the setStdin functionality any more, so I won't revisit it now either.

However, I am learning. This time I wrote a small program to reproduce the issue. :)

Here it is: https://gist.github.com/ozgurakgun/1f1917dc781f8f230dcf

It is a simple program which will call grep with the command line arguments given to it. I chose grep because it was the first command I could think of where I could make it print to stderr.

In the gist, you will see a terminal session where I run the program 3 times. In the first two runs stderr is empty and the program functions as expected. In the third run grep prints out a message to stderr. I do not want this message to be written to stderr of my program, hence setting print_stderr to False.

Please let me know if I need to provide more info.

Thanks!

gregwebs commented 8 years ago

Thanks for the report. This is fixed on master now, will release in a bit.