[CentOS] Fetchmail question

[R P Herrold]

On Fri, 18 Dec 2009, Stephen Harris wrote:

You can always run multiple copies of fetchmail in the background if you
want parallel fetching

-- Russ herrold

#!/bin/sh
#
#       ~/bin/get-stray-email.sh
#       $Id: get-stray-fetchmail.sh,v 1.3 2009/10/23 13:48:47 herrold Exp 
herrold $
#       License: GPLv3+
#       bug reports to:  i...@owlriver.com
#
#       use fetchmail with custom rc files, and pull
#       upgrade to use a 0-9 rotor to spread load
#
export 
PATH='/usr/java/latest/bin:/usr/local/bin:/usr/bin:/bin:/usr/X11R6/bin:~/bin/:/home/herrold/bin:~/bin/'
#
#       the config files live in a protected directory
export FETCHRC=".fetchmail"

        mkdir $FETCHRC/
        chmod 700 $FETCHRC
        }
#
#       defaults, and options parsing
#       need to more into a while loop, and add a scan exit
QUIET="--silent "
DEBUG=""
[ "x$1" = "x-d" ] && {
        export DEBUG="y "
        shift 1
        }
[ "x$1" = "x-v" ] && {
        export QUIET=""
        export VERBOSE="--verbose "
        shift 1
        }
[ "x${QUIET}" = "x" ] && {
        export QUIET=""
        export VERBOSE="--verbose "
        }
#
#       option $1 support being refactored; out for the moment
#       Remembering Jimi ...
[ "xsix" = "x9" ] && {
#

SUFFIX=".fetchmailrc-gmail"
[ "x$1" != "x" ] && {
        export SUFFIX=`echo ".fetchmailrc-gmail$1"`
#       make sure we have one
        [ ! -e ~/$FETCHRC/$SUFFIX ] && export SUFFIX=""
#
#       actually we need to stop scanning options here
        shift 1
        }
        }
#
#       main body
#       New model is to run a rotor
[ ! -e $FETCHRC/.fetch-rotor ] && touch $FETCHRC/.fetch-rotor
LASTRUN=` ( echo -n "0" ; cat $FETCHRC/.fetch-rotor | \
        perl -p -e "tr/[0-9]//cd" ) `
[ "0$LASTRUN" -lt 1 ] && echo "00" > $FETCHRC/.fetch-rotor
LASTRUN=` ( ( cat $FETCHRC/.fetch-rotor  | \
        perl -p -e "tr/[0-9]//cd" ; echo " + 0" ) | bc ) `
[ "x${DEBUG}" != "x" ] && echo "Rotor is: $LASTRUN" 1>&2
#
#       main loop
for i in ` ls -1 $FETCHRC/.fetchmailrc-*[0-9] | grep "${LASTRUN}$" `; do
        [ "x${VERBOSE}" != "x" ] && {
                echo "i: $i" 1>&2
                }
        [ -e ${i} ] && fetchmail -f ${i} -a ${QUIET} ${VERBOSE} || {
                echo "Error: non-zero return code on: $i " 1>&2
                grep -v "^#" $i | grep -v "[ ]" 1>&2
                grep "user" $i 1>&2
                }
        sleep 3
#       sleep 30
done
#
LASTRUN=` echo "${LASTRUN} + 1" | bc | rev | cut -c 1 | rev`
#       echo "new LASTRUN: $LASTRUN"
echo "$LASTRUN" > $FETCHRC/.fetch-rotor
#
#
exit 0
#
#
#       This is a sample ~/.fetchmail/.
cat - << END > /dev/null
#
#       gmail pop works
#       sample fetchmail -f config file
poll pop.gmail.com with proto pop3:
        port 995
        timeout 60
        user "gmailuse...@gmail.com" there with
        password "GMAILPASSWORD"
        is LOCALUSERID here
        fetchall
        expunge 50
        options ssl
#
END
#

or run just one tenth of those RC files (when well numbered) present each time a script is invoked, if you are not in a hurry to retrieve email from side accounts, and want to be kind to the remote pop hosts cd [ ! -d $FETCHRC/ ] && { # SUFFIX works when we cd into $FETCHRC and have the file naming set up # right

get-stray-fetchmail.sh
Description: Bourne shell script

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