Run this script to capture the logs of all Android devices connected via ADB.

logcatch_them_all.sh

#!/bin/bash
# ##########################################################
# logcatch_them_all.sh
# Run this script to capture the logs of all Android
# devices connected via ADB.
# Wesley Rodrigues da Silva <wesley.it at gmail.com>
# LICENCE CREATIVE COMMONS BY - 2014
# http://creativecommons.org/licenses/by/2.0/legalcode
# ########################################################

## If running inside Jenkins, will use the default
#  workspace, else, will create a folder in /tmp.
if [ -z "$WORKSPACE" ]
then 
    export WORKSPACE="/tmp/logcat/"
    mkdir -p "$WORKSPACE"
fi

## List all adb devices and get each log in a file with
#  the device name.
for device in $(adb devices | grep "device$" | cut -f 1)
do
  mkdir -p "$WORKSPACE/logcats/" &> /dev/null
  adb -s "$device" logcat -d > "$WORKSPACE/logcats/$device.log"
done