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leohacker/gist:e701ff3d00c0e52035bbed96d86af1f7

Created June 12, 2016 05:51
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Indirect reference in bash ( check a variable if its value as variable is set )
Raw
gistfile1.txt
# varname=USER or PROFILE_PATH
# $varname == USER
# $$ pid of current process
# \$$varname == $USER in literal
# eval variable=..... evaluate and assign to variable
eval variable=\$$varname
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