Revisions to How can I test if a variable is empty or contains only spaces?

added 2 characters in body

edited Jan 11, 2022 at 12:07

I prefer this:

[[ $(echo $param"$param" | awk '{print NF}') -eq 0 ]]

I prefer this:

[[ $(echo $param | awk '{print NF}') -eq 0 ]]

I prefer this:

[[ $(echo "$param" | awk '{print NF}') -eq 0 ]]

Basic formatting.

edited Jan 11, 2022 at 8:19

I prefer this: [[ $(echo $param | awk '{print NF}') -eq 0 ]]

[[ $(echo $param | awk '{print NF}') -eq 0 ]]

I prefer this: [[ $(echo $param | awk '{print NF}') -eq 0 ]]

I prefer this:

[[ $(echo $param | awk '{print NF}') -eq 0 ]]

answered Jan 10, 2022 at 22:50

I prefer this: [[ $(echo $param | awk '{print NF}') -eq 0 ]]

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