shell-script

1.shell別 start-up file

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2.[bash] quotes "" '', !, &

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3.bash shell basis : 공백,{},[], exit, return, ${}, $(( )) 산술연산, $()

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4../ ,bash ,bash -c "", source, subshell vs childprocess

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5.regex, ex-regex, $ grep

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6.Pattern matching: * ? [ ] [^] [A-Z]

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7.Brace {} 확장 / scope

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8.export / set / unset / declare / typeset

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9.reserved Variable: $?, $$, $BASHPID, $!

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10.redirect, PIPE

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11.배열 / 함수

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12.if / case / for / while / 조건문

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13.path를 다루는 shell 1: dirs, pushd, popd, dirname, basename, pwd

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14.path를 다루는 shell 2: globbing

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15.bash 디버그

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16.ssh 원격 명령 실행

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17.getopts, getopt로 option 컨트롤

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18.tr : 문자열 split, 변환, awk+tr을 사용한 floating 연산

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19.wait, shift

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20.read: bash 한 줄씩 읽어서 처리

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