diff options
Diffstat (limited to 'subr/ex_rtl_complex.subr')
| -rw-r--r-- | subr/ex_rtl_complex.subr | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/subr/ex_rtl_complex.subr b/subr/ex_rtl_complex.subr new file mode 100644 index 00000000..560b35bb --- /dev/null +++ b/subr/ex_rtl_complex.subr @@ -0,0 +1,100 @@ +# +# 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}" "${_env_vars_except}"); +}; + +ex_rtl_lfilter() { + local _list="${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 |