Last active
December 15, 2015 11:19
-
-
Save i03nomura1y/5252131 to your computer and use it in GitHub Desktop.
sh script: 連番を echo する。
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#!/bin/sh | |
# 2013/03/27 | |
# 連番を echo する。 | |
# $ ./iota.sh 10 => 000 .. 010 | |
# $ ./iota.sh 3 5 => 003 .. 005 | |
# $ ./iota.sh 3 5 "%d" => 3 .. 5 | |
# 追記: | |
# $ seq -w 3 10 | |
# $ seq -f "%03g" 3 5 | |
# $ printf "%03d\n" `seq 3 5` | |
# で用は足りる | |
# 引数チェック | |
CMDNAME=`basename $0` | |
if [ $# -ne 1 ] && [ $# -ne 2 ] && [ $# -ne 3 ] ; then | |
echo " Usage: $CMDNAME to" 1>&2 | |
echo " $CMDNAME from to" 1>&2 | |
echo " $CMDNAME from to format" 1>&2 | |
echo " example: $CMDNAME 0 10 \"%02d\"" 1>&2 | |
exit 1; | |
fi | |
# カウント開始 / 終了 / 表示フォーマット | |
from=0; | |
to=10; | |
format="%03d"; | |
# 引数をもってくる | |
if [ $# -eq 1 ] ; then | |
to=$1 | |
elif [ $# -eq 2 ] ; then | |
from=$1 | |
to=$2 | |
elif [ $# -eq 3 ] ; then | |
from=$1 | |
to=$2 | |
format=$3 | |
fi | |
# 表示 | |
printf "$format\n" `seq $from $to` | |
# for val in $(seq $from $to); do | |
# printf "$format\n" $val; | |
# done; | |
# おわり | |
exit 0; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment