bash set var if not set
${parameter:-word}
# If parameter is unset or null, the expansion of word is substituted.
# Otherwise, the value of parameter is substituted.bash set var if not set
${parameter:-word}
# If parameter is unset or null, the expansion of word is substituted.
# Otherwise, the value of parameter is substituted.shell script variables not working
#shell does not accept spaces so:
MYVAR = 12 #is NOT correct
MYVAR=12 #is correctCopyright © 2021 Codeinu
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