Command line android screenshots via ADB

screenshot.bash

#!/bin/bash

# droidshot: droidshot [filename] - Saves screenshots via ADB to filename
function droidshot() {
  local formatter="%03d"
  local file="$1"
  local n=1
  local fn=$(printf "${formatter}" $n)

  if [[ "$file" == "" ]]; then
    file="droidshot-"$(date "+%d-%m-%Y-")
    files=`ls ${file}* 2>/dev/null|awk '{print $1}'`
    ext=".png"

    for i in $files; do
      echo $i
      echo "${file}${fn}${ext}"
      if [[ "${file}${fn}${ext}" == "${i}" ]]; then
        n=$(( n + 1 ))
        echo $n
      fi
      fn=$(printf "${formatter}" $n)
    done

    file="${file}${fn}${ext}"
  fi
  echo "Screenshotting to ${file}.."
  adb shell screencap -p 2> /dev/null | perl -pe 's/\x0D\x0A/\x0A/g' > $file
}