#!/bin/sh
# stdin: default config
# stdout: modified config

# save stdin (content of /etc/mkinitcpio.conf) in variable
stdin=$(cat)

# assert a screenshot for key-combination "Print" exists
echo "$stdin" | grep --quiet '^\s*<property name="Print" type="string" value="xfce4-screenshooter"/>\s*$'

# replace action key-combination "Print"
sed 's|<property name="Print" type="string" value="xfce4-screenshooter"/>|<property name="Print" type="string" value="sh -c &apos;xfce4-screenshooter -f -s &quot;Pictures/$(date +%Y%m%d_%H%M%S).png&quot;&apos;"/>|' <<< "$stdin"