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get rid of awk, sed & egrep usage

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This commit is contained in:
Manuel Streuhofer 2016-12-01 20:47:17 +01:00
parent b38310e915
commit b8bdaf371a
1 changed files with 16 additions and 9 deletions
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25
main.sh
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@ -144,13 +144,20 @@ EOF
# Translate usage string -> getopts arguments, and set $arg_<flag> defaults
while read -r __b3bp_tmp_line; do
if echo "${__b3bp_tmp_line}" |egrep '^-' >/dev/null 2>&1; then
if [[ "${__b3bp_tmp_line}" =~ ^- ]]; then
# fetch single character version of option string
__b3bp_tmp_opt="$(echo "${__b3bp_tmp_line}" |awk '{print $1}' |sed -e 's#^-##')"
__b3bp_tmp_opt="${__b3bp_tmp_line%% *}"
__b3bp_tmp_opt="${__b3bp_tmp_opt:1}"
# fetch long version if present
__b3bp_tmp_long_opt="$(echo "${__b3bp_tmp_line}" |awk '/\-\-/ {print $2}' |sed -e 's#^--##')"
__b3bp_tmp_long_opt_mangled="$(sed 's#-#_#g' <<< "$__b3bp_tmp_long_opt")"
__b3bp_tmp_long_opt=""
if [[ "${__b3bp_tmp_line}" == *"--"* ]]; then
__b3bp_tmp_long_opt="${__b3bp_tmp_line#*--}"
__b3bp_tmp_long_opt="${__b3bp_tmp_long_opt%% *}"
fi
__b3bp_tmp_long_opt_mangled="${__b3bp_tmp_long_opt//-/_}"
# map long name back to short name
__b3bp_tmp_varname="__b3bp_tmp_short_opt_${__b3bp_tmp_long_opt_mangled}"
@ -158,7 +165,7 @@ while read -r __b3bp_tmp_line; do
# check if option takes an argument
__b3bp_tmp_varname="__b3bp_tmp_has_arg_${__b3bp_tmp_opt}"
if ! echo "${__b3bp_tmp_line}" |egrep '\[.*\]' >/dev/null 2>&1; then
if [[ ! "${__b3bp_tmp_line}" =~ \[.*\] ]]; then
__b3bp_tmp_init="0" # it's a flag. init with 0
eval "${__b3bp_tmp_varname}=0"
else
@ -171,12 +178,12 @@ while read -r __b3bp_tmp_line; do
[ -z "${__b3bp_tmp_opt:-}" ] && continue
if echo "${__b3bp_tmp_line}" |egrep '\. Default=' >/dev/null 2>&1; then
if [[ "${__b3bp_tmp_line}" =~ \.\ Default ]]; then
# ignore default value if option does not have an argument
__b3bp_tmp_varname="__b3bp_tmp_has_arg_${__b3bp_tmp_opt:0:1}"
if [ "${!__b3bp_tmp_varname}" = "1" ]; then
__b3bp_tmp_init="$(echo "${__b3bp_tmp_line}" |sed 's#^.*Default=\(\)#\1#g')"
__b3bp_tmp_init="${__b3bp_tmp_line##*Default=}"
fi
fi
@ -204,14 +211,14 @@ if [ -n "${__b3bp_tmp_opts:-}" ]; then
if [[ "${OPTARG}" =~ .*=.* ]]; then
# --key=value format
__b3bp_tmp_long_opt=${OPTARG/=*/}
__b3bp_tmp_long_opt_mangled="$(sed 's#-#_#g' <<< "$__b3bp_tmp_long_opt")"
__b3bp_tmp_long_opt_mangled="${__b3bp_tmp_long_opt//-/_}"
# Set opt to the short option corresponding to the long option
eval "__b3bp_tmp_opt=\"\${__b3bp_tmp_short_opt_${__b3bp_tmp_long_opt_mangled}}\""
OPTARG=${OPTARG#*=}
else
# --key value format
# Map long name to short version of option
__b3bp_tmp_long_opt_mangled="$(sed 's#-#_#g' <<< "$OPTARG")"
__b3bp_tmp_long_opt_mangled="${OPTARG//-/_}"
eval "__b3bp_tmp_opt=\"\${__b3bp_tmp_short_opt_${__b3bp_tmp_long_opt_mangled}}\""
# Only assign OPTARG if option takes an argument
eval "OPTARG=\"\${@:OPTIND:\${__b3bp_tmp_has_arg_${__b3bp_tmp_opt}}}\""