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* [[Bash_Concepts#.28.28....29.29|Bash Concepts]] | * [[Bash_Concepts#.28.28....29.29|Bash Concepts]] | ||
* [[Numbers_and_Arithmetic_in_bash|Numbers and Arithmetic in bash]] | |||
* [[Bash_%2B%3D_and_-%3D|+= and -=]] | |||
=Increment an Integer= | =Increment an Integer= | ||
| Line 8: | Line 10: | ||
local i=0 | local i=0 | ||
((i++)) | ((i++)) | ||
</syntaxhighlight> | |||
=Decrement an Integer= | |||
<syntaxhighlight lang='bash'> | |||
local i=1 | |||
((i--)) | |||
</syntaxhighlight> | |||
=Organizatorium= | |||
Display the value of the variable, then increment it: | |||
<syntaxhighlight lang='bash'> | |||
i=0 | |||
echo $((i++)) | |||
echo ${i} | |||
</syntaxhighlight> | |||
displays: | |||
<syntaxhighlight lang='bash'> | |||
0 | |||
1 | |||
</syntaxhighlight> | |||
Increment the value of a variable, then display t: | |||
<syntaxhighlight lang='bash'> | |||
i=0 | |||
echo $((++i)) | |||
echo ${i} | |||
</syntaxhighlight> | |||
displays: | |||
<syntaxhighlight lang='bash'> | |||
1 | |||
1 | |||
</syntaxhighlight> | </syntaxhighlight> | ||
Latest revision as of 05:35, 8 May 2020
Internal
Increment an Integer
local i=0
((i++))
Decrement an Integer
local i=1
((i--))
Organizatorium
Display the value of the variable, then increment it:
i=0
echo $((i++))
echo ${i}
displays:
0
1
Increment the value of a variable, then display t:
i=0
echo $((++i))
echo ${i}
displays:
1
1