http://www.not-enough.org/abe/manual/unix2-au99/csh-while.html NettetDesigned, implemented, and maintained middleware applications on the Linux platform. • Conducted programming in C/C++, QT framework, Python, shell scripting, CMAKE framework in Unix/Linux and ...
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Nettet24. aug. 2015 · Have your while loop watch for your real command to exit. I'll assume a Linux environment that has /proc entries for each PID, but you could slice it other ways: #!/bin/bash # your real command here, instead of sleep sleep 7 & PID=$! i=1 sp="/-\ " echo -n ' ' while [ -d /proc/$PID ] do printf "\b$ {sp:i++%$ {#sp}:1}" done Share Improve this … Nettet7. jun. 2024 · To install the readline library, open the terminal window and write. sudo apt-get install libreadline-dev. It will ask for your password. Enter it. Press y in the next step. Printing the directory can be done using getcwd. Getting user name can be done by getenv (“USER”) Parsing can be done by using strsep (“”). how to type shortcuts in word
如何在 Bash 中使用 While 迴圈 D棧 - Delft Stack
Nettet‘main.c~’ and ‘main.o’ are ignored by completion (but not listing), because they end in suffixes in fignore.Note that a ‘#146; was needed in front of ‘~’ to prevent it from being expanded to home as described under Filename substitution.fignore is ignored if only one completion is possible.. If the complete shell variable is set to ‘enhance’, completion 1) … NettetC shell expressions and operators. Edit online. The @ built-in command and the exit, if, and while statements accept expressions that include operators similar to those of C language, with the same precedence. The following operators are available: Operator What it means change precedence ~ NettetI tried using: ps - aux grep while or ps - aux grep alive The output for the two lines will give me the PID I need but the problem is that the script is a loop which means the PID will change every time it runs itself (recursive) so I can't use the PID to kill the process. I also tried using: pkill while killall while how to type sharp and flat signs