[bash] Length of string in bash

You can use:

MYSTRING="abc123"
MYLENGTH=$(printf "%s" "$MYSTRING" | wc -c)
  • wc -c or wc --bytes for byte counts = Unicode characters are counted with 2, 3 or more bytes.
  • wc -m or wc --chars for character counts = Unicode characters are counted single until they use more bytes.

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