string - How can I split very long case patterns across multiple lines? -


how split long valuex string in following bash code?

case "$1" in     value1|value2|value3|...........more values..................| valuen)         some_processing "$@"         ;;     ... esac

i'm looking splitting separate lines. m.b. like:

val+=value1 val+=value2 ....

thanks in advance

from man page:

a case command first expands word, , tries match against each pattern in turn, using same matching rules path‐name expansion[.]

in other words, it's glob pattern, not regular expression. such, can use ifs between pattern tokens. example:

case "$1" in     value1 | \     value2 )         :     ;; esac

note must escape line continuation backslash, unlike usual case pipe symbol continue line automatically. other that, can break line same way @ prompt.


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