linux - bash printf backslash then new line -

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i trying create bash c header

#define xxxxx \   "id title\n" \    "1  developer\n" \  script   format="  \"%-4s  %-32s\\\n"  printf "$format" "id" "title\\n\"" >> $file  printf "$format" "1" "developer\\n\"" >> $file

the result 

"id    title\n"                        \n  "1     developer\n"                              \n

when change format="%-4s %-32s \\ \n"

i get

"id    title\n"                           \  "1     developer\n"                       \

and gcc start complain space after \

it seems \\ interpreted more once if there no space.

without using format="%-4s %-32s \\"

printf "$format" "id" "title\\n\"" >> $file  printf "\n" >> $file ...

is there better way handle this?

use hexadecimal escape sequences:

format="%-4s %-32s \x5c\n"

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