the codes:
#! /bin/bash
ALL="hello.log"
echo ${ALL%.*}
I know the “hello” will show, But how to understand the “${ALL%.*}”?
Thank you.
the codes: #! /bin/bash ALL=hello.log echo ${ALL%.*} I know the hello will show, But
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the codes:
#! /bin/bash
ALL="hello.log"
echo ${ALL%.*}
I know the “hello” will show, But how to understand the “${ALL%.*}”?
Thank you.
{ }is used for expansion and%.*is used for remove from echo all characters contained inALLvariable from fullstop on.