[asterisk-users] Help with FUNC_MATH

Thu Feb 13 13:20:02 CST 2020

Do you know that it is coming back as FALSE, or are you assuming that from examining the expression?

  --Don

From: asterisk-users [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Dovid Bender
Sent: Thursday, February 13, 2020 1:13 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Help with FUNC_MATH

John,

That is correct. I am trying to figure out why Asterisk is executing the set part of the execif, if it's coming back as false.

On Thu, Feb 13, 2020 at 2:10 PM John Kiniston <johnkiniston at gmail.com> wrote:

My Apologies Dovid, I think I misunderstood your request.

You don't have the time you need to convert in the format of date string, Instead you have your users entering via DTMF when they want something to happen?

On Thu, Feb 13, 2020 at 11:08 AM Dovid Bender <dovid at telecurve.com> wrote:

John,

>From looking at the wiki won't STRFIME just give me what I need based on the unix time that I put in? What I am actually looking to do is convert over from 12 hour format to 24 (unless strftime does just that and I don't kow what am I am doing?).

On Thu, Feb 13, 2020 at 12:03 PM John Kiniston <johnkiniston at gmail.com> wrote:

Try using the STRFIME function instead of doing this by hand.

https://wiki.asterisk.org/wiki/display/AST/Function_STRFTIME

%H 

The hour as a decimal number using a 24-hour clock (range 00 to 23). 

%I 

The hour as a decimal number using a 12-hour clock (range 01 to 12). 

On Thu, Feb 13, 2020 at 3:49 AM Dovid Bender <dovid at telecurve.com> wrote:

Hi,

I have some dialplan code that is trying to convert 12 hour time with AM/PM to 24 hour format. The code has something like this:
Exten => 2,1,ExecIf(${MATH(${HOUR_SELECTED}<12)}?Set(HOUR_SELECTED=${MATH(${HOUR_SELECTED}+12,int)}))

Earlier on in the dialplan HOUR_SELECTED is set to 12. When they press option 2 they are selecting PM. If the time is from 1PM to 11PM then I want to add 12 to the number (so if it's 1 make it 13 etc.). When I run the above the logs show the result as false yet if the user sets HOUR_SELECTED to 12 then after this line of dialplan code it gets switched to 24. What am I doing wrong here?

The exact DP code is:

Exten => 2,     1, Noop(BEFORE CHECK HOUR_SELECTED is ${HOUR_SELECTED})
 same =>        n, ExecIf(${MATH(${HOUR_SELECTED}<12)}?Set(HOUR_SELECTED=${MATH(${HOUR_SELECTED}+12,int)}))
 same =>        n, Noop(AFTER CHECK HOUR_SELECTED IS ${HOUR_SELECTED})

And the output of the logs is:

[Feb 13 10:46:18] VERBOSE[1580][C-00007bc6] pbx.c: Executing [2 at am_pm_select:1] NoOp("SIP/204.145.219.31-000081c6", "BEFORE CHECK HOUR_SELECTED is 12") in new stack
[Feb 13 10:46:18] DEBUG[1580][C-00007bc6] pbx_variables.c: Result of 'HOUR_SELECTED' is '12'
[Feb 13 10:46:18] DEBUG[1580][C-00007bc6] pbx_variables.c: Function MATH(12<12) result is 'FALSE'
[Feb 13 10:46:18] DEBUG[1580][C-00007bc6] pbx_variables.c: Result of 'HOUR_SELECTED' is '12'
[Feb 13 10:46:18] DEBUG[1580][C-00007bc6] pbx_variables.c: Function MATH(12+12,int) result is '24'
[Feb 13 10:46:18] DEBUG[1580][C-00007bc6] pbx.c: Launching 'ExecIf'
[Feb 13 10:46:18] VERBOSE[1580][C-00007bc6] pbx.c: Executing [2 at am_pm_select:2] ExecIf("SIP/204.145.219.31-000081c6", "FALSE?Set(HOUR_SELECTED=24)") in new stack
[Feb 13 10:46:18] DEBUG[1580][C-00007bc6] pbx_variables.c: Result of 'HOUR_SELECTED' is '24'
[Feb 13 10:46:18] DEBUG[1580][C-00007bc6] pbx.c: Launching 'NoOp'
[Feb 13 10:46:18] VERBOSE[1580][C-00007bc6] pbx.c: Executing [2 at am_pm_select:3] NoOp("SIP/204.145.219.31-000081c6", "AFTER CHECK HOUR_SELECTED IS 24") in new stack

TIA.

Dovid

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A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
---Heinlein

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