Special Variables | Shell Scripting Tutorial For Beginners-32

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Special variables shell scripting tutorial for beginners
$* it stores the complete set of positional parameters as a single string
$# It is set to the number of arguments specified
$1 first argument
$2 second argument
$0 name of executed command
"$@" each quoted string treated as a seperate argument
$? exit status of last command
$$ PID of the current shell
$! PID of the last background job
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Комментарии
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This is a very good video, it has the examples shown at the end as well. The only improvement would to showcase an example where $@ has input that has quoted strings so we can see the difference from $* compared to $@ which is something I would still like to see since I'm confused.

agc
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Could you please expand this shell scripts series to an advanced one? we highly appreciate it.

rotrose
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Nice video but try to explain functionality little better with some easy examples.

elliotaldersn
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Please make this playlist tutorial #1 - #n

fixfix