daemonitor/scripts/functions.sh

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# daemonitor/scripts/functions.sh
#
# Copyright: ©20072012, Güralp Systems Limited
# Author: Laurence Withers, <lwithers@guralp.com>
# License: GPLv3
#
# Common functions
# Print a success message
print_success() {
if [ -z "${TERM}" -o "${TERM}" == "dumb" ]
then
echo -n " - "
else
(echo -n -e " \E[32m* "; tput sgr0)
fi
echo $*
}
# Print a failure message
print_failure() {
if [ -z "${TERM}" -o "${TERM}" == "dumb" ]
then
echo -n " *** "
else
(echo -n -e " \E[31m*** "; tput sgr0)
fi
echo $*
}
# This function carries out a command, but reports its failure if
# necessary.
do_cmd() {
[ "${VERBOSE}" != "0" ] && echo "$@"
"$@"
if [ $? -ne 0 ]
then
print_failure "'$@' failed."
return 1
fi
}
# This function carries out a command, but reports its failure if
# necessary.
do_cmd_redir() {
DEST=$1
shift
[ "${VERBOSE}" != "0" ] && echo "$@ >> ${DEST}"
"$@" >> ${DEST}
if [ $? -ne 0 ]
then
print_failure "'$@' failed."
return 1
fi
}
# vim: expandtab:ts=4:sw=4