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bashテンプレート

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bashテンプレート

#!/bin/bash

# Parameter
## User setting
readonly PARAMETER="hogehoge"
readonly ARRAY=( "foo"
"bar"
"baz" )
declare -Ar HASH=( ["key1"]="value1"
["key2"]="value2" )
readonly HOGE_FILE="/path/to/file.txt"
readonly HOGE_DIR="/path/to/dir"
readonly HOGE_FILENAME="file.txt"
readonly HOGE_DIRNAME="dir"
## Administrator setting
readonly WORK_DIR=$(dirname $(readlink -f $0))

# Subroutine
function usage() {
cat <<_EOT_
Usage:
$0 -u username -p password [-f filename] arg1 ...

Description:
hogehogehoge

Options:
-u uuuuuuuuuu
-p pppppppppp
-f ffffffffff
-h display help
_EOT_
exit 1
}

function validate_input_data() {
local _input_data=$1
local _message=$2

if [ -z "$_input_data" ]; then
echo $_message 1>&2
return 1
fi
return
0
}

function validate_file() {
local _filename=$1
local _message=$2

if [ ! -f "$_filename" ]; then
echo $_message 1>&2
exit 1
fi
return
0
}

# Main
## check options and arguments
if [ $# = 0 ]; then
usage
exit 1
fi

if [ "$OPTIND" = 1 ]; then
while
getopts u:p:f:h OPT
do
case
$OPT in
u)
readonly USERNAME=$OPTARG
echo "[debug]USERNAME is $USERNAME" # for debug
;;
p)
readonly PASSWORD=$OPTARG
echo "[debug]PASSWORD is $PASSWORD" # for debug
;;
f)
readonly FILENAME=$(basename $OPTARG)
echo "[debug]FILENAME is $FILENAME" # for debug
validate_file $FILENAME "No such file: '${FILENAME}'"
;;
h)
echo "[debug]h option. display help" # for debug
usage
;;
\?)
echo "Try to enter the h option" 1>&2
;;
esac
done
else
echo "No installed getopts-command" 1>&2
exit 1
fi

echo "[debug]before shift" # for debug
shift $((OPTIND - 1))
echo "[debug]display other arguments [$*]" # for debug
echo "[debug]after shift" # for debug

if [[ -z $USERNAME || -z $PASSWORD ]]; then
echo "No specify argument(s) of -u option or -p option" 1>&2
exit 1
fi

## main
echo "show array" # for debug
for i in ${ARRAY[@]}
do
echo "$i"
done

echo "show array" # for debug
for (( i=0; $i < ${#ARRAY[@]}; ++i ))
do
echo ${ARRAY[$i]}
done

echo "show hash" # for debug
for key in ${!HASH[@]}
do
echo "${key} -> [${HASH[$key]}]"
done

exit 0