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#!/bin/bash
##
# argparser – command line argument parser library
#
# Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)
#
# This library is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this library. If not, see <http://www.gnu.org/licenses/>.
##
. argparser.bash
echo "Parent: $(args_parent_name)"
long=$(cat <<.
argparser – command line argument parser library
Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)
This library is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this library. If not, see <http://www.gnu.org/licenses/>.
.
)
args_init 'A test for argparser' 'test [options] [files]' "$long" '' 1
args_add_argumentless '' 0 'Prints this help message\n(and exits)' -h -? --help
args_add_argumentless '' 0 'Prints the text: hello world' --hello
args_add_argumentless '' 0 '' ++hidden
args_add_argumented '' 0 LINE 'Prints the choosen line' -l --line
args_add_optargumented '' '' 0 LINE 'Prints the choosen line' -l --Line
args_add_variadic '' 0 LINE 'Prints the choosen lines' --l --lines
args_parse "$@"
args_support_alternatives
if args_option has -?; then
args_help
elif [ $args_unrecognised_count = 0 ] && [ ! $args_argcount = 0 ] && [ ${#args_files[@]} = 0 ]; then
if args_option has --hello; then
i=0
n=$(args_option count --hello)
while (( $i < $n )); do
(( i++ ))
echo 'Hello World'
done
fi
if args_option has -l; then
i=0
n=$(args_option count --line)
while (( $i < $n )); do
args_option get --line $i
(( i++ ))
done
fi
if args_option has -L; then
i=0
n=$(args_option count --Line)
while (( $i < $n )); do
args_option get --Line $i
(( i++ ))
done
fi
if args_option has --lines; then
i=0
n=$(args_option count --l)
while (( $i < $n )); do
args_option get --l $i
(( i++ ))
done
if [ $n = 0 ]; then
echo '--l(--lines) is used without and arguments'
fi
fi
if args_option has ++hidden; then
echo 'Congratulations, you have found the secret option!'
fi
else
echo "Number of unrecognised options: ${args_unrecognised_count}"
echo "Entered message: ${args_message}"
echo "Entered files:"
for file in "${args_files[@]}"; do
echo -en '\t'
echo "${file}"
done
fi
args_dispose
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