"Bash 숫자 비교"의 두 판 사이의 차이

잔글 (봇: 자동으로 텍스트 교체 (-source +syntaxhighlight))
 
(같은 사용자의 중간 판 4개는 보이지 않습니다)
3번째 줄: 3번째 줄:


==같다==
==같다==
<source lang='bash'>
<syntaxhighlight lang='bash'>
if [ $A = $B ]; then echo YES; else echo NO; fi
if [ $A = $B ]; then echo YES; else echo NO; fi
</source>
</syntaxhighlight>
<source lang='bash'>
<syntaxhighlight lang='bash'>
if [ $A -eq $B ]; then echo YES; else echo NO; fi
if [ $A -eq $B ]; then echo YES; else echo NO; fi
</source>
</syntaxhighlight>
<source lang='dos'>
<syntaxhighlight lang='console'>
[root@jmnote ~]# A=2; B=2; if [ $A = $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A = $B ]; then echo YES; else echo NO; fi
YES
YES
[root@jmnote ~]# A=2; B=3; if [ $A = $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=3; if [ $A = $B ]; then echo YES; else echo NO; fi
NO
NO
</source>
</syntaxhighlight>


==같지 않다==
==같지 않다==
<source lang='bash'>
<syntaxhighlight lang='bash'>
if [ $A -ne $B ]; then echo YES; else echo NO; fi
if [ $A -ne $B ]; then echo YES; else echo NO; fi
</source>
</syntaxhighlight>
<source lang='dos'>
<syntaxhighlight lang='console'>
[root@jmnote ~]# A=2; B=2; if [ $A -ne $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A -ne $B ]; then echo YES; else echo NO; fi
NO
NO
[root@jmnote ~]# A=2; B=3; if [ $A -ne $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=3; if [ $A -ne $B ]; then echo YES; else echo NO; fi
YES
YES
</source>
</syntaxhighlight>


==작다==
==작다==
<source lang='bash'>
<syntaxhighlight lang='bash'>
if [ $A -lt $B ]; then echo YES; else echo NO; fi
if [ $A -lt $B ]; then echo YES; else echo NO; fi
</source>
</syntaxhighlight>
<source lang='dos'>
<syntaxhighlight lang='console'>
[root@jmnote ~]# A=2; B=1; if [ $A -lt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -lt $B ]; then echo YES; else echo NO; fi
NO
NO
[root@jmnote ~]# A=2; B=2; if [ $A -lt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A -lt $B ]; then echo YES; else echo NO; fi
NO
NO
[root@jmnote ~]# A=2; B=3; if [ $A -lt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=3; if [ $A -lt $B ]; then echo YES; else echo NO; fi
YES
YES
</source>
</syntaxhighlight>




==작거나 같다==
==작거나 같다==
<source lang='bash'>
<syntaxhighlight lang='bash'>
if [ $A -le $B ]; then echo YES; else echo NO; fi
if [ $A -le $B ]; then echo YES; else echo NO; fi
</source>
</syntaxhighlight>
<source lang='dos'>
<syntaxhighlight lang='console'>
[root@jmnote ~]# A=2; B=1; if [ $A -le $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -le $B ]; then echo YES; else echo NO; fi
NO
NO
[root@jmnote ~]# A=2; B=2; if [ $A -le $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A -le $B ]; then echo YES; else echo NO; fi
YES
YES
[root@jmnote ~]# A=2; B=3; if [ $A -le $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=3; if [ $A -le $B ]; then echo YES; else echo NO; fi
YES
YES
</source>
</syntaxhighlight>


==크다==
==크다==
<source lang='bash'>
<syntaxhighlight lang='bash'>
if [ $A -gt $B ]; then echo YES; else echo NO; fi
if [ $A -gt $B ]; then echo YES; else echo NO; fi
</source>
</syntaxhighlight>
<source lang='dos'>
<syntaxhighlight lang='console'>
[root@jmnote ~]# A=2; B=1; if [ $A -gt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -gt $B ]; then echo YES; else echo NO; fi
YES
YES
[root@jmnote ~]# A=2; B=2; if [ $A -gt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A -gt $B ]; then echo YES; else echo NO; fi
NO
NO
[root@jmnote ~]# A=2; B=3; if [ $A -gt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=3; if [ $A -gt $B ]; then echo YES; else echo NO; fi
NO
NO
</source>
</syntaxhighlight>


==크거나 같다==
==크거나 같다==
<source lang='bash'>
<syntaxhighlight lang='bash'>
if [ $A -ge $B ]; then echo YES; else echo NO; fi
if [ $A -ge $B ]; then echo YES; else echo NO; fi
</source>
</syntaxhighlight>
<source lang='dos'>
<syntaxhighlight lang='console'>
[root@jmnote ~]# A=2; B=1; if [ $A -ge $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -ge $B ]; then echo YES; else echo NO; fi
YES
YES
[root@jmnote ~]# A=2; B=2; if [ $A -ge $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A -ge $B ]; then echo YES; else echo NO; fi
YES
YES
[root@jmnote ~]# A=2; B=3; if [ $A -ge $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=3; if [ $A -ge $B ]; then echo YES; else echo NO; fi
NO
NO
</source>
</syntaxhighlight>


==같이 보기==
==같이 보기==
85번째 줄: 85번째 줄:
*[[Bash 숫자 계산]]
*[[Bash 숫자 계산]]


==참고 자료==
==참고==
*http://tldp.org/LDP/abs/html/comparison-ops.html
*http://tldp.org/LDP/abs/html/comparison-ops.html


[[분류: Bash]]
[[분류: Bash]]

2020년 11월 2일 (월) 02:39 기준 최신판

Bash 비교문
Bash 숫자 비교

1 같다[ | ]

if [ $A = $B ]; then echo YES; else echo NO; fi
if [ $A -eq $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A = $B ]; then echo YES; else echo NO; fi
YES
[root@zetawiki ~]# A=2; B=3; if [ $A = $B ]; then echo YES; else echo NO; fi
NO

2 같지 않다[ | ]

if [ $A -ne $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=2; if [ $A -ne $B ]; then echo YES; else echo NO; fi
NO
[root@zetawiki ~]# A=2; B=3; if [ $A -ne $B ]; then echo YES; else echo NO; fi
YES

3 작다[ | ]

if [ $A -lt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -lt $B ]; then echo YES; else echo NO; fi
NO
[root@zetawiki ~]# A=2; B=2; if [ $A -lt $B ]; then echo YES; else echo NO; fi
NO
[root@zetawiki ~]# A=2; B=3; if [ $A -lt $B ]; then echo YES; else echo NO; fi
YES


4 작거나 같다[ | ]

if [ $A -le $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -le $B ]; then echo YES; else echo NO; fi
NO
[root@zetawiki ~]# A=2; B=2; if [ $A -le $B ]; then echo YES; else echo NO; fi
YES
[root@zetawiki ~]# A=2; B=3; if [ $A -le $B ]; then echo YES; else echo NO; fi
YES

5 크다[ | ]

if [ $A -gt $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -gt $B ]; then echo YES; else echo NO; fi
YES
[root@zetawiki ~]# A=2; B=2; if [ $A -gt $B ]; then echo YES; else echo NO; fi
NO
[root@zetawiki ~]# A=2; B=3; if [ $A -gt $B ]; then echo YES; else echo NO; fi
NO

6 크거나 같다[ | ]

if [ $A -ge $B ]; then echo YES; else echo NO; fi
[root@zetawiki ~]# A=2; B=1; if [ $A -ge $B ]; then echo YES; else echo NO; fi
YES
[root@zetawiki ~]# A=2; B=2; if [ $A -ge $B ]; then echo YES; else echo NO; fi
YES
[root@zetawiki ~]# A=2; B=3; if [ $A -ge $B ]; then echo YES; else echo NO; fi
NO

7 같이 보기[ | ]

8 참고[ | ]

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