simple console app with string as return

harald.schlager · Post by **harald.schlager** » Tue Oct 15, 2013 7:49 pm

hi all !

I need to write a simple console app but I have troubles ..

todo: on the terminal you start an app with parameters on win/linux/mac and get back as return a string:

foo parameter1 parameter2 parameter3 parameter4

return should be maybe "secret".

so the question is, how to do this in livecode ? how you return a string as return code ? I did not find any sample and my tests only open a stack window on mac or freeze on mac
and linux ! Should be the code in openstack or in startup or ...

thank you in advance,
harald

FourthWorld · Post by **FourthWorld** » Tue Oct 15, 2013 7:59 pm

harald.schlager wrote:Should be the code in openstack or in startup or ...

Startup. When running facelessly stacks are never "opened" per se, so AFAIK "startup" is the only message you'll get.

harald.schlager · Post by **harald.schlager** » Tue Oct 15, 2013 8:31 pm

thank you, when i put in the startup message "return "secret"" and when i start with "open -g x.app" I get nothing back, when I put "put dddd" inside - nothing returns - also when i redirect it in a log file

FourthWorld · Post by **FourthWorld** » Tue Oct 15, 2013 9:16 pm

"return" won't do anything, since there's no LiveCode script calling it to return anything.

"put" should work, but perhaps you'll need to call the app directly rather than through the "open" command (that is, just run the app name in Terminal).

harald.schlager · Post by **harald.schlager** » Wed Oct 16, 2013 5:58 am

the only command in the startup handler is put "secret" and quit. i call it with the -ui option

windows: no output put quits correctly
linux: invalid pointer at quit, without quit the app did not stop (waiting for input ... )
harald@harald-ubuntu:~/pwkeep$ ./pwkeep -ui
secret
*** glibc detected *** ./pwkeep: munmap_chunk(): invalid pointer: 0x0828ae64 ***
======= Backtrace: =========
/lib/i386-linux-gnu/libc.so.6(+0x75ee2)[0xce2ee2]
/lib/i386-linux-gnu/libc.so.6(+0x765c5)[0xce35c5]
./pwkeep[0x82516b5]
./pwkeep[0x8052683]
./pwkeep[0x811d42e]
/lib/i386-linux-gnu/libc.so.6(__libc_start_main+0xf3)[0xc864d3]
mac: when i call it directly it works correctly
Harald-Schlagers-MacBook-Pro-9:MacOS haraldschlager$ ./pwk -ui
secret

maybe on linux and windows is a bug ?

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simple console app with string as return

simple console app with string as return

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