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Strip Whitespace From Bash Variable

·
Strip (AKA "trim") the whitespace from the beginning and end of a variable in Bash.


# Strip the whitespace from the beginning and end.
STRING_VAR=`expr "$STRING_VAR" : '[[:space:]]*\(.*\)[[:space:]]*$'`


Sources
From Peter Knowles's "booklistgen.sh" script for converting files to Sony Librie format.
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