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|
#
# Copyright (c) 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Lucía Andrea Illanes Albornoz <lucia@luciaillanes.de>
# set +o errexit -o noglob -o nounset is assumed.
#
#
# rtl_isnumber() - check if string is number
# @_s: string to check
#
# Returns: zero (0) if string is number, non-zero (>0) if string is not number
#
rtl_isnumber() {
local _ri_s="${1}" \
_ri_rc=0;
while [ "${_ri_s:+1}" = 1 ]; do
case "${_ri_s}" in
[0-9]*) _ri_s="${_ri_s#[0-9]}"; ;;
*) _ri_rc=1; break; ;;
esac; done;
return "${_ri_rc}";
};
#
# rtl_match() - match pattern against string
# @_s: input string
# @_find: pattern to match against string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_match() {
local _rm_s="${1}" _rm_find="${2}";
if [ "${_rm_s#${_rm_find}}" != "${_rm_s}" ]; then
return 0;
else
return 1;
fi;
};
#
# rtl_matchr() - match pattern against string from right-hand side
# @_s: input string
# @_find: pattern to match against string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_matchr() {
local _rmr_s="${1}" _rmr_find="${2}";
if [ "${_rmr_s%${_rmr_find}}" != "${_rmr_s}" ]; then
return 0;
else
return 1;
fi;
};
#
# rtl_remove_postfix() - remove longest postfix from string w/ pattern
# @_pattern: pattern to match against input string
# @_s: input string
# @_rs_out: out reference to output string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_remove_postfix() {
local _rh_pattern="${1}" _rh_s="${2}" _rh_rs_out="${3#\$}";
while true; do
if [ "${_rh_s%%${_rh_pattern}}" = "${_rh_s}" ]; then
break;
else
_rh_s="${_rh_s%%${_rh_pattern}}";
fi;
done;
eval ${_rh_rs_out}='${_rh_s}';
return 0;
};
#
# rtl_setrstatus() - set status string
# @_rstatus: out reference to status string
# @_status: new status string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_setrstatus() {
local _rsrs_rstatus="${1#\$}" _rsrs_status="${2}";
eval ${_rsrs_rstatus}=\"${_rsrs_status}\";
return 0;
};
#
# rtl_subst() - substitute in string
# @_rs: inout reference to string
# @_find: pattern to match against input string
# @_replace: replacement string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_subst() {
rtl_subst2 "${1}" "${1}" "${2}" "${3}";
};
#
# rtl_subst2() - substitute in string
# @_rs: in reference to string
# @_rs_out: out reference to new string
# @_find: pattern to match against input string
# @_replace: replacement string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_subst2() {
local _rs2_rs="${1#\$}" _rs2_rs_out="${2#\$}" _rs2_find="${3}" _rs2_replace="${4}" \
_rs2_prefix="" _rs2_s="" _rs2_s_new="";
eval _rs2_s="\${${_rs2_rs}}";
while [ "${_rs2_s:+1}" = 1 ]; do
case "${_rs2_s}" in
*${_rs2_find}*) _rs2_prefix="${_rs2_s%%${_rs2_find}*}"; _rs2_s="${_rs2_s#*${_rs2_find}}";
_rs2_s_new="${_rs2_s_new:+${_rs2_s_new}}${_rs2_prefix}${_rs2_replace}"; ;;
*) _rs2_s_new="${_rs2_s_new:+${_rs2_s_new}}${_rs2_s}"; _rs2_s=""; ;;
esac; done;
eval ${_rs2_rs_out}='${_rs2_s_new}';
return 0;
};
#
# rtl_tolower() - convert string to lower case
# @_rs: in reference to string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_tolower() {
rtl_tolower2 "${1}" "${1}";
};
#
# rtl_tolower2() - convert string to lower case
# @_rs: in reference to string
# @_rs_out: out reference to new string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_tolower2() {
local _rtl2_rs="${1#\$}" _rtl2_rs_out="${2#\$}" \
_rtl2_s="" _rtl2_s_new="";
eval _rtl2_s="\${${_rtl2_rs}}";
while [ "${_rtl2_s:+1}" = 1 ]; do
case "${_rtl2_s}" in
A*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}a"; _rtl2_s="${_rtl2_s#A}"; ;;
B*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}b"; _rtl2_s="${_rtl2_s#B}"; ;;
C*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}c"; _rtl2_s="${_rtl2_s#C}"; ;;
D*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}d"; _rtl2_s="${_rtl2_s#D}"; ;;
E*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}e"; _rtl2_s="${_rtl2_s#E}"; ;;
F*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}f"; _rtl2_s="${_rtl2_s#F}"; ;;
G*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}g"; _rtl2_s="${_rtl2_s#G}"; ;;
H*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}h"; _rtl2_s="${_rtl2_s#H}"; ;;
I*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}i"; _rtl2_s="${_rtl2_s#I}"; ;;
J*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}j"; _rtl2_s="${_rtl2_s#J}"; ;;
K*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}k"; _rtl2_s="${_rtl2_s#K}"; ;;
L*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}l"; _rtl2_s="${_rtl2_s#L}"; ;;
M*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}m"; _rtl2_s="${_rtl2_s#M}"; ;;
N*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}n"; _rtl2_s="${_rtl2_s#N}"; ;;
O*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}o"; _rtl2_s="${_rtl2_s#O}"; ;;
P*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}p"; _rtl2_s="${_rtl2_s#P}"; ;;
Q*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}q"; _rtl2_s="${_rtl2_s#Q}"; ;;
R*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}r"; _rtl2_s="${_rtl2_s#R}"; ;;
S*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}s"; _rtl2_s="${_rtl2_s#S}"; ;;
T*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}t"; _rtl2_s="${_rtl2_s#T}"; ;;
U*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}u"; _rtl2_s="${_rtl2_s#U}"; ;;
V*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}v"; _rtl2_s="${_rtl2_s#V}"; ;;
W*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}w"; _rtl2_s="${_rtl2_s#W}"; ;;
X*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}x"; _rtl2_s="${_rtl2_s#X}"; ;;
Y*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}y"; _rtl2_s="${_rtl2_s#Y}"; ;;
Z*) _rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}z"; _rtl2_s="${_rtl2_s#Z}"; ;;
[!ABCDEFGHIJKLMNOPQRSTUVWXYZ]*)
_rtl2_s_new="${_rtl2_s_new:+${_rtl2_s_new}}${_rtl2_s%%[ABCDEFGHIJKLMNOPQRSTUVWXYZ]*}";
while [ "${_rtl2_s#[!ABCDEFGHIJKLMNOPQRSTUVWXYZ]}" != "${_rtl2_s}" ]; do
_rtl2_s="${_rtl2_s#[!ABCDEFGHIJKLMNOPQRSTUVWXYZ]}";
done; ;;
esac; done;
eval ${_rtl2_rs_out}='${_rtl2_s_new}';
return 0;
};
#
# rtl_toupper() - convert string to upper case
# @_rs: in reference to string
# @_rs_out: out reference to new string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_toupper() {
rtl_toupper2 "${1}" "${1}";
};
#
# rtl_toupper2() - convert string to upper case
# @_rs: in reference to string
# @_rs_out: out reference to new string
#
# Returns: zero (0) on success, non-zero (>0) on failure
#
rtl_toupper2() {
local _rtu2_rs="${1#\$}" _rtu2_rs_out="${2#\$}" \
_rtu2_s="" _rtu2_s_new="";
eval _rtu2_s="\${${_rtu2_rs}}";
while [ "${_rtu2_s:+1}" = 1 ]; do
case "${_rtu2_s}" in
a*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}A"; _rtu2_s="${_rtu2_s#a}"; ;;
b*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}B"; _rtu2_s="${_rtu2_s#b}"; ;;
c*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}C"; _rtu2_s="${_rtu2_s#c}"; ;;
d*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}D"; _rtu2_s="${_rtu2_s#d}"; ;;
e*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}E"; _rtu2_s="${_rtu2_s#e}"; ;;
f*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}F"; _rtu2_s="${_rtu2_s#f}"; ;;
g*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}G"; _rtu2_s="${_rtu2_s#g}"; ;;
h*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}H"; _rtu2_s="${_rtu2_s#h}"; ;;
i*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}I"; _rtu2_s="${_rtu2_s#i}"; ;;
j*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}J"; _rtu2_s="${_rtu2_s#j}"; ;;
k*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}K"; _rtu2_s="${_rtu2_s#k}"; ;;
l*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}L"; _rtu2_s="${_rtu2_s#l}"; ;;
m*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}M"; _rtu2_s="${_rtu2_s#m}"; ;;
n*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}N"; _rtu2_s="${_rtu2_s#n}"; ;;
o*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}O"; _rtu2_s="${_rtu2_s#o}"; ;;
p*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}P"; _rtu2_s="${_rtu2_s#p}"; ;;
q*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}Q"; _rtu2_s="${_rtu2_s#q}"; ;;
r*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}R"; _rtu2_s="${_rtu2_s#r}"; ;;
s*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}S"; _rtu2_s="${_rtu2_s#s}"; ;;
t*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}T"; _rtu2_s="${_rtu2_s#t}"; ;;
u*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}U"; _rtu2_s="${_rtu2_s#u}"; ;;
v*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}V"; _rtu2_s="${_rtu2_s#v}"; ;;
w*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}W"; _rtu2_s="${_rtu2_s#w}"; ;;
x*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}X"; _rtu2_s="${_rtu2_s#x}"; ;;
y*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}Y"; _rtu2_s="${_rtu2_s#y}"; ;;
z*) _rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}Z"; _rtu2_s="${_rtu2_s#z}"; ;;
[!abcdefghijklmnopqrstuvwxyz]*)
_rtu2_s_new="${_rtu2_s_new:+${_rtu2_s_new}}${_rtu2_s%%[abcdefghijklmnopqrstuvwxyz]*}";
while [ "${_rtu2_s#[!abcdefghijklmnopqrstuvwxyz]}" != "${_rtu2_s}" ]; do
_rtu2_s="${_rtu2_s#[!abcdefghijklmnopqrstuvwxyz]}";
done; ;;
esac; done;
eval ${_rtu2_rs_out}='${_rtu2_s_new}';
return 0;
};
# vim:filetype=sh textwidth=0
|
