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| + | ====== make-c-array ====== | ||
| + | This script prints binary data as an C array. This is useful for inserting binary blobs into source code. The script takes binary data in via stdin, and prints it out via stdout, so that it can work in a pipe. | ||
| + | <code> | ||
| + | #!/bin/bash | ||
| + | FILE=$1 | ||
| + | NAME=$2 | ||
| + | |||
| + | echo "const unsigned char $NAME[] = {" | ||
| + | od -v -w8 -tx1 $FILE | cut -c8- | \ | ||
| + | sed \ | ||
| + | -e"s/ / 0x/g" \ | ||
| + | -e"s/ 0x/, 0x/g" \ | ||
| + | -e"s/^, \(.*\)/ \1/" \ | ||
| + | -e"$ d" | | ||
| + | sed -e"$ !s/.*/&,/" | ||
| + | echo "};" | ||
| + | </code> | ||
| + | ===Usage=== | ||
| + | ==File Input== | ||
| + | To print a file: | ||
| + | <code> | ||
| + | $ make-c-array in.bin Test > out.c | ||
| + | </code> | ||
| + | Where in.bin is the binary input file, Test is the name of the array, and out is the name of the C file to output to: | ||
| + | <code c> | ||
| + | const unsigned char Test[] = { | ||
| + | 0xff, 0xd8, 0xff, 0xe0, 0x00, 0x10, 0x4a, 0x46, | ||
| + | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
| + | 0x00, 0x00, 0x00, 0x03, 0xff, 0xc4, 0x00, 0x14, | ||
| + | 0x00, 0x00, 0xff, 0xda, 0x00, 0x08, 0x01, 0x01, | ||
| + | 0x00, 0x00, 0x3f, 0x00, 0x37, 0xff, 0xd9 | ||
| + | }; | ||
| + | </code> | ||
| + | ==Pipe Input== | ||
| + | make-c-array can also take an input from stdin: | ||
| + | <code> | ||
| + | $ echo "Binary Test Data" | make-c-array - Hello > out.c | ||
| + | </code> | ||
| + | Result: | ||
| + | <code c> | ||
| + | const unsigned char Test[] = { | ||
| + | 0x42, 0x69, 0x6e, 0x61, 0x72, 0x79, 0x20, 0x54, | ||
| + | 0x65, 0x73, 0x74, 0x20, 0x44, 0x61, 0x74, 0x61, | ||
| + | 0x0a | ||
| + | }; | ||
| + | </code> | ||