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- What does `exec $@` do? - Unix Linux Stack Exchange
The exec will replace the current process with the process resulting from executing its argument In short, exec "$@" will run the command given by the command line parameters in such a way that the current process is replaced by it (if the exec is able to execute the command at all)
- What does set -e and exec $@ do for docker entrypoint scripts?
At the exec line entrypoint sh, the shell running as pid 1 will replace itself with the command server start This is critical for signal handling Without using exec, the server start in the above example would run as another pid, and after it exits, you would return to your shell script With a shell in pid 1, a SIGTERM will be ignored by
- bash - What does an exec command do? - Ask Ubuntu
I have seen exec command used inside scripts to redirect all output to a file (as seen in this) But in simple words, what does it do?
- Insert results of a stored procedure into a temporary table
That's because using EXEC to run the dynamic SQL creates its own session, so an ordinary temporary table would be out of scope to any subsequent code If a global temporary table is a problem, you can use an ordinary temporary table, but any subsequent SQL would need to be dynamic, that is, also executed by the EXEC statement
- Difference between system and exec in Linux? - Stack Overflow
What is the difference between system and exec family commands? Especially I want to know which one of them creates child process to work?
- Using a cursor with dynamic SQL in a stored procedure
I have a dynamic SQL statement I've created in a stored procedure I need to iterate over the results using a cursor I'm having a hard time figuring out the right syntax Here's what I'm doing S
- bash - find: missing argument to -exec - Stack Overflow
A -exec command must be terminated with a ; (so you usually need to type \; or ';' to avoid interpretion by the shell) or a + The difference is that with ;, the command is called once per file, with +, it is called just as few times as possible (usually once, but there is a maximum length for a command line, so it might be split up) with all
- Should I use `app. exec ()` or `app. exec_ ()` in my PyQt application?
I mean that exec_ will work with any version of python equal to or greater than 2 6 in combination with either pyqt4 or pyqt5 Earlier versions of python are not supported by pyqt
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