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Make --help output more detailed. #70

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Make --help output more detailed. #70

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15 changes: 14 additions & 1 deletion c
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Original file line number Diff line number Diff line change
Expand Up @@ -10,15 +10,28 @@ if ! [[ "$C_CACHE_SIZE" =~ ^[0-9]*$ ]]; then
fi

help_msg() {
>&$1 echo "Usage: $(basename "$0") <file.c ... | compiler_options ...> [program_arguments]"
>&$1 echo "Usage:"
>&$1 echo " $(basename "$0") '<file.c ... | compiler_options ...>' [program_arguments]"
>&$1 echo " $(basename "$0") --clear-cache"
>&$1 echo
>&$1 echo "Usage for shebang with extra compiler options:"
>&$1 echo " $(basename "$0") '<other.c ... | compiler_options ...> --' <file.c> [program_arguments]"
>&$1 echo
>&$1 echo 'Execute C programs from the command line.'
>&$1 echo
>&$1 echo ' Ex: c main.c'
>&$1 echo ' Ex: c main.c arg1 arg2'
>&$1 echo " Ex: c 'main.c other.c' arg1 arg2"
>&$1 echo " Ex: c 'main.c -lncurses' arg1 arg2"
>&$1 echo
>&$1 echo 'Execute C programs when "main.c" is executable with shebang.'
>&$1 echo
>&$1 echo ' Shebang: #!/usr/bin/env c'
>&$1 echo " Shebang: #!/usr/bin/env -S c 'other.c --'"
>&$1 echo " Shebang: #!/usr/bin/env -S c '-lncurses --'"
>&$1 echo ' Ex: ./main.c'
>&$1 echo ' Ex: ./main.c arg1 arg2'
>&$1 echo
}

cleanup() {
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