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10. ¾Υץ

10.1 read Ȥäƥ桼Ϥɤ߹

桼˲餫Ϥ¥Ȼפ礬褯ΤǤ¸ ˡϤĤ¸ߤޤʲϤΤΤҤȤĤǤ 

        #!/bin/bash
        echo Please, enter your name
        read NAME
        echo "Hi $NAME!"

嵭ѷȤơread Ȥäʣͤ뤳ȤǤޤ Ϥ餫ˤΤǤ 

        #!/bin/bash
        echo Please, enter your firstname and lastname
        read FN LN 
        echo "Hi! $LN, $FN !"

10.2 ɾ

ޥɥ饤(뤤ϥ)ǡΤ褦ǤäƤߤƤ 

        $ echo 1 + 1

2 ϤȴԤƤʤ顢äꤷȤǤ礦 bash ˿׻Ȥϡɤ餤ΤǤ礦 ϼΤ褦ˤ뤳ȤǤ 

        $ echo $((1 + 1))

åµ­Ç¤Ï¡í¥¸Ê½Ï¤Ê¤ì¤¿È¤È»×¤Þ¤Ï¿É¾ ȤȤǤޤΤ褦ɽǤƱȤǤޤ 

        $ echo $[ 1 + 1 ]

ʬ䤢뤤ϤäʣʿŪɬפˤʤä硢뤤Ͽͷ ȤʤɤϡɾΤ bc ȤޥɤȤޤ ޥɥץץȾ "echo $[3/4]" ȼ¹ԤƤ⡢bash ǤʤΤǡ̤ 0 Ȥʤޤ "echo 3/4 | bc -l" ȼ¹ԤС0.75 Ȥ ֤äƤޤ

10.3 bash õ

Mike ΥåǺܤޤ(ռ򸫤Ƥ)

website optimization company |Professional Link Building 

ʤϤĤ #!/bin/bash ȤΤȤäƤޤbash ɤˤΤõˡ㼨ۤȻפޤ"bash 򤽤 ֤ƤޤФΤǤ٤ƤΥޥ󤬤򤷤Ƥ櫓ǤϤ ޤ󡣥롼ȥǥ쥯ȥ꤫顢'find ./ -name bash' ¹Ԥ õФϤǤ

å٤ʤΤϡΤ褦ʾǤ礦 

        ls -l /bin/bash
        ls -l /sbin/bash
        ls -l /usr/lodal/bin/bash
        ls -l /usr/bin/bash
        ls -l /usr/sbin/bash
        ls -l /usr/local/sbin/bash

(ʳΥǥ쥯ȥϤ˻פ⤫Ӥޤ... बäƤ⡢ ޤǤϤ椫鸫Ĥ礬ۤȤɤǤ) 줫顢'which bash' ȤäƤߤΤ⤤Ȼפޤ

10.4 ×¥í¥°Í¤Ë¡

bash Ç¤Ï¡×¥í¥°Í¤ $? Ȥüѿ ȤǤޤ Ê²Ï¡×¥í¥°Í¤Ë¡ñ¤¤¤Î¤Ç¤ /dada Ȥǥ쥯ȥϼºߤޤ( Mike Ƥ ΤǤ) 

        #!/bin/bash
        cd /dada &> /dev/null
        echo rv: $?
        cd $(pwd) &> /dev/null
        echo rv: $?

10.5 ޥɽϤˡ

ʲδñʥץȤϡ٤ƤΥǡ١õΥơ֥ ɽȤΤǤ( MySQL 󥹥ȡ뤵Ƥ뤳Ȥ ) 'mysql' Ȥޥʬѹơͭʥ桼̾ȥѥ ɤȤ褦ˤƤ 

        #!/bin/bash
        DBS=`mysql -uroot  -e"show databases"`
        for b in $DBS ;
        do
                mysql -uroot -e"show tables from $b"
        done

10.6 ʣΥե

ޥɥȤʣΥեȤȤǤޤ

ͽ( TO DO )

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