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| From: | Clark Wang |
| Subject: | remove empty '' in ${var@Q} result? |
| Date: | Mon, 30 Oct 2017 10:34:47 +0800 |
See following example:
[STEP 100] # echo $BASH_VERSION
4.4.12(2)-release
[STEP 101] # v=\'\'
[STEP 102] # printf '%q\n' "$v"
\'\'
[STEP 103] # printf '%s\n' "${v@Q}"
''\'''\'''
[STEP 104] #
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