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#
# set -o noglob is assumed.
#
ex_rtl_check_path_vars() {
local _vnames="${1}" _rc=0 _vname="" _vname_val=""; _status="";
for _vname in ${_vnames}; do
_vname_val="$(ex_rtl_get_var_unsafe "${_vname}")";
if [ -z "${_vname_val}" ]; then
_rc=1; _status="Error: variable \`${_vname}' is empty or unset."; break;
elif [ "${_vname_val#* *}" != "${_vname_val}" ]; then
_rc=2; _status="Error: variable \`${_vname}' contains one or more whitespace characters."; break;
fi;
done;
return "${_rc}";
};
ex_rtl_clean_env() {
local _env_vars_except="${1}" _env_var="" _env_vars="";
_env_vars="$(export | sed -ne '/^export/{s/^export //;s/=.*$//p}')";
for _env_var in ${_env_vars}; do
if [ "${_env_var#DEFAULT_}" != "${_env_var}" ]\
|| [ "${_env_var#PKG_}" != "${_env_var}" ]; then
_env_vars_except="${_env_vars_except:+${_env_vars_except} }${_env_var}";
fi;
done;
ex_rtl_unset_vars $(ex_rtl_lfilter "${_env_vars}" "${_env_vars_except}");
};
ex_rtl_kill_tree() {
local _pid="${1}" _signal="TERM" _pid_child="" _pid_top="";
for _pid_top in $(pgrep -P "${_pid}"); do
for _pid_child in $(pgrep -P "${_pid_top}" 2>/dev/null); do
_pids_killed="${_pids_killed:+${_pids_killed} }${_pid_child}"; kill "-${_signal}" "${_pid_child}"
2>/dev/null;
done;
_pids_killed="${_pids_killed:+${_pids_killed} }${_pid_top}"; kill "-${_signal}" "${_pid_top}" 2>/dev/null;
done;
};
ex_rtl_lfilter() {
local _list="${1}" _filter="${2}" _lnew="" _litem="" _litem_filter="" _filterfl="";
if [ -z "${_filter}" ]; then
echo "${_list}"; return 0;
else for _litem in ${_list}; do
_filterfl=0;
for _litem_filter in ${_filter}; do
if [ "${_litem_filter}" = "${_litem}" ]; then
_filterfl=1; break;
fi;
done;
if [ "${_filterfl:-0}" -eq 0 ]; then
_lnew="${_lnew:+${_lnew} }${_litem}";
fi;
done; fi;
echo "${_lnew}";
};
ex_rtl_lmatch() {
local _cmp="${3}" IFS="${2}"; set -- ${1};
while [ ${#} -gt 0 ]; do
if [ "${1}" = "${_cmp}" ]; then
return 0;
fi; shift;
done; return 1;
};
ex_rtl_lsearch() {
local _list="${1}" _filter="${2}" _lnew="" _litem="" _litem_filter="";
if [ -z "${_filter}" ]; then
echo "${_list}"; return 0;
else for _litem in ${_list}; do
for _litem_filter in ${_filter}; do
if [ "${_litem_filter}" = "${_litem}" ]; then
_lnew="${_lnew:+${_lnew} }${_litem}";
break;
fi;
done;
done; fi;
echo "${_lnew}";
};
ex_rtl_run_cmd_unsplit() {
local _cmd="${1}" _cmdline="" _rc="" IFS; shift;
while [ ${#} -gt 0 ]; do
[ -n "${1}" ] &&\
_cmdline="${_cmdline:+${_cmdline}:}${1}";
shift;
done;
IFS=:; ${_cmd} ${_cmdline}; _rc=$?;
return ${_rc};
};
ex_rtl_set_vars() {
local _vname_dst="${1}" _vname_src_tmpls="${2}" \
_vars_set_vname="${3}" _vname_src _vars_set_tmp="" \
_vars_set_old="";
for _vname_src in ${_vname_src_tmpls}; do
_vname_src="${_vname_src}_${_vname_dst}";
_vval_src="$(ex_rtl_get_var_unsafe "${_vname_src}")";
if [ -n "${_vval_src}" ]; then
ex_rtl_set_var_unsafe "PKG_${_vname_dst}" "${_vval_src}";
_vars_set_tmp="${_vars_set_tmp:+${_vars_set_tmp} }PKG_${_vname_dst}";
fi;
done;
_vars_set_old="$(ex_rtl_get_var_unsafe "${_vars_set_vname}")";
ex_rtl_set_var_unsafe "${_vars_set_vname}" \
"${_vars_set_old:+${_vars_set_old} }${_vars_set_tmp}";
};
# vim:filetype=sh
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