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@ -223,6 +223,8 @@ declare -F # displays function names without definitions
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declare -i # the variables are treated as integers
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declare -r # makes the variables read-only
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declare -x # marks the variables for export via the environment
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declare -l # uppercase values in the variable are converted to lowercase
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declare -A # makes it an associative array
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${varname:-word} # if varname exists and isn't null, return its value; otherwise return word
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${varname:word} # if varname exists and isn't null, return its value; otherwise return word
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@ -248,6 +250,7 @@ ${#varname} # returns the length of the value of the variable a
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$(UNIX command) # command substitution: runs the command and returns standard output
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typeset -l <x> # makes variable local - <x> must be an interger
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##############################################################################
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# FUNCTIONS
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