Bash : Funktion um Files zu laden
Funktion um Dateien aus dem Internet zu laden. Prüft ob curl vorhanden ist , wenn nicht wird wget versucht. Wenn gar nichts von beiden gefunden wird wird das Skript beendet.
function get_remote_file () {
# ------------------------- get_remote_file -------------------------------------------------------------------
# download an file to local storage
#
# need 2 parameters : get_remote_file [URL_TO_FILE] [LOCAL_PATH]
# -----------------------------------------------------------------------------------------------------------------
if [[ ! -z "${1}" || ! -z "${2}" ]]; then
bin_dl=""
# check Local Path
if [ ! -d "${2}" ]; then
mkdir "${2}"
fi
# check bins
# using command instead of which to be posix comp.
# ------ check curl
command -v curl >/dev/null 2>&1
if [ $? -eq 0 ]; then
bin_dl="curl -s -O "
fi
# ------ check wget
command -v wget >/dev/null 2>&1
if [[ ${bin_dl} = "" && $? -eq 0 ]]; then
bin_dl="wget -q "
fi
# ------ if emtpy curl and wget not found
if [ ${bin_dl} = "" ]; then
echo "need curl or wget for work please install one of them"
exit 98
fi
# download file
if [[ "${1}" =~ http:// || "${1}" =~ https:// || "${1}" =~ ftp:// ]]; then
# ${1} is an remote file will be downloaded to ${2}
cd "${2}" && { ${bin_dl} "${1}" ; cd -; }
else
# ${1} is not an remote file EXIT !
exit 98
fi
else
echo "check parameters for function #> get_remote_file"
exit 9
fi
}
