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remove empty '' in address@hidden result?


From: Clark Wang
Subject: remove empty '' in address@hidden 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' "address@hidden"
''\'''\'''
[STEP 104] #


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