7. for, while, until ˤ롼

ξϤǤϡfor, while, util ˤ롼 פˤĤƽҤ٤ޤ bash for ϡ¾θǤλȤȼ㴳ۤʤޤ ϡʸñ򤢤ޤȿΤǤ

while ϡ漰δ֤ϥɤ¹ԤƤơˤʤäȤ (뤤ϼ¹ԥ break Ƥ)ˤΤߤޤ

until 롼פϡ漰ɾƤ֤ϥɤ¹Ԥ Ȥȡwhile 롼פȤۤƱǤwhile until ƤȻפäʤ顢ͤǤ

7.1 For Υץ

        #!/bin/bash
        for i in $( ls ); do
            echo item: $i
        done
        

ܤǡѿ i Ƥޤˤϡ$( ls ) ˤ ƽϤͤ͡(֤)Ƥޤ ܤϡɬפǤФäĹǤޤʤ͹ܤ done ʣιԤ¸ߤƤ⤫ޤޤ ͹ܤ done ϡѿ $i ѤƤɤ λȤ򼨤ƤƤޤäơ$i ˿ͤ ȤǽǤ 嵭ϡϤۤȤɰ̣ʤץȤǤfor 롼פѤä ͭפˡϡˤä褦ˡΥե˽ ˻ȤȤȻפޤ

7.2 C ˻ for

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Fiesh 󤫤ʲΤ褦ʷΥ롼פäɤȸޤ for 롼פϡC Perl for 롼פ Ȥ줫򤷤Ƥޤ

        #!/bin/bash
        for i in `seq 1 10`;
        do
                echo $i
        done    
        

7.3 while Υץ

        #!/bin/bash 
        COUNTER=0
        while [  $COUNTER -lt 10 ]; do
            echo The counter is $COUNTER
            let COUNTER=COUNTER+1 
        done
        

嵭ΥץȤϡ(C, Pascal, Perl Ȥä)ͭ̾ʸ for 湽¤򿿻ΤǤ

7.4 until Υץ

        #!/bin/bash 
        COUNTER=20
        until [  $COUNTER -lt 10 ]; do
            echo COUNTER $COUNTER
            let COUNTER-=1
        done