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Merge pull request #1290 from ksami/master
[bash/en] Improved descriptions
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commit
719e6e6132
@ -51,7 +51,7 @@ echo $Variable
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echo "$Variable"
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echo "$Variable"
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echo '$Variable'
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echo '$Variable'
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# When you use the variable itself — assign it, export it, or else — you write
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# When you use the variable itself — assign it, export it, or else — you write
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# its name without $. If you want to use variable's value, you should use $.
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# its name without $. If you want to use the variable's value, you should use $.
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# Note that ' (single quote) won't expand the variables!
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# Note that ' (single quote) won't expand the variables!
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# String substitution in variables
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# String substitution in variables
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@ -70,11 +70,11 @@ echo ${Foo:-"DefaultValueIfFooIsMissingOrEmpty"}
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# Builtin variables:
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# Builtin variables:
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# There are some useful builtin variables, like
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# There are some useful builtin variables, like
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echo "Last program return value: $?"
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echo "Last program's return value: $?"
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echo "Script's PID: $$"
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echo "Script's PID: $$"
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echo "Number of arguments: $#"
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echo "Number of arguments passed to script: $#"
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echo "Scripts arguments: $@"
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echo "All arguments passed to script: $@"
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echo "Scripts arguments separated in different variables: $1 $2..."
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echo "Script's arguments separated into different variables: $1 $2..."
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# Reading a value from input:
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# Reading a value from input:
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echo "What's your name?"
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echo "What's your name?"
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@ -108,8 +108,8 @@ fi
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# Expressions are denoted with the following format:
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# Expressions are denoted with the following format:
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echo $(( 10 + 5 ))
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echo $(( 10 + 5 ))
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# Unlike other programming languages, bash is a shell — so it works in a context
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# Unlike other programming languages, bash is a shell so it works in the context
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# of current directory. You can list files and directories in the current
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# of a current directory. You can list files and directories in the current
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# directory with the ls command:
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# directory with the ls command:
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ls
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ls
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