[asterisk-users] Deleting voicemail by program

[John Harragin]

Here is something I wrote years ago. I expect you can adjust it for your
needs



# cat remove_blank_vmail
#!/bin/bash
# remove_blank_vmail takes arguments as voicemail boxes and removes
messages with audio files shorter then MINSIZE (in bytes)
#----------------------------------------------------------------------
# Description:
# Author: John Harragin Monroe-Woodbury CSD
# Created at: Thu Nov  6 12:27:35 EST 2008
#
# Copyright: None. Modify and use however you like...
#
#----------------------------------------------------------------------
# Configure section:

BASEDIR=/var/spool/asterisk/voicemail/default/                  # default
context
MINSIZE=12000                                                   # 1.5
seconds

#--------------------------------------------------------------subroutines:

ProcessDir () {
 lastfile=""
 delcnt=0
 for file in $(ls -A ${msgdir}/msg*.txt 2>/dev/null); do       # the
redirect supresses msg when dir empty
   if [ $(stat --format=%s ${file/.txt/.wav}) -lt ${MINSIZE} ]; then
     rm ${file/.txt/.*}
     let delcnt++
   fi
   lastfile=${file}
 done
 if [ $delcnt -gt 0 ]; then echo "$delcnt short messages deleted from
${msgdir}"; fi
 partfilename=${lastfile/*\/msg/}                              # get number
from file name
 highest=${partfilename/.txt/}
 while [[ $highest = 0* ]]; do highest=${highest#0}; done      # bash does
not like leading zeros
 if [ ${#highest} -eq 0 ]; then highest=0; fi                  # ...or
blanks for math
 realcount=0
 for ((x=0;x<=${highest};x+=1)); do
   chkname=msg$(printf "%04d" $x)                              # build name
- pad with zeros...
   if [ -e ${msgdir}/${chkname}.txt ]; then
     if [ $realcount -ne $x ];then
       newname=msg$(printf "%04d" $realcount)
       for idivfile in $(ls -A ${msgdir}/${chkname}.*); do
         mv ${idivfile} ${msgdir}/${newname}.${idivfile/*\/*./}
       done
     fi
     let realcount++
   fi
 done
}

#--------------------------------------------------------------main:

for ext in "$@"; do
 if [ -d ${BASEDIR}${ext} ];then
   for msgdir in $(ls -d ${BASEDIR}${ext}/*); do
     ProcessDir ${msgdir}
   done
 else
   echo "${BASEDIR}${ext} is not a valid directory"
 fi
 echo "Processed extension $ext"
done




On Mon, Oct 9, 2023 at 3:06 PM Mike Diehl <mdiehl at diehlnet.com> wrote:

> Hi all,
>
> I need to be able to delete a voicemail message using a program.
>
> Is is sufficient to simply delete the .wav and .txt files in the spool
> directory?
> Or do I need to also renumber the remaining files?
>
> For example, let say a given mailbox has 20 messages in it and I want to
> delete message number 5.  Can I just delete the 2 files and expect that
> asterisk will renumber them?  Or do I need to?
>
> Also, is the answer the same when I migrate to storing voicemails in a
> database?
>
> Thanks in advance.
>
> Mike
>
>
>
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