Tag: fifo

Programming in Linux – FIFO

I have created fifo, try to write to it: echo “text” > myfifo and read it with my programm. But when I write to fifo nothing shows. I have tried many options, turning off and on NON_BLOCK mode and so on but nothing seems to help. Answer This needs to be (there’s probably no need for the O…

Using bc as daemon in BASH shell from awk

awk bash bc fifo linux

In BASH environment I can communicate with bc program using fifo. But in awk I can write but no read with getline function. How can I read from “/dev/fd/4” in awk. My awk version is: mawk 1.3.3 Nov 1996, Copyright (C) Michael D. Brennan Thanks Laci Continued: I did some further experiment and I su…