Remove outdated option "format"

bash/src/aes256.sh

@@ -36,7 +36,6 @@ ${b}NAME${c}
 ${b}SYNOPSIS${c}
  ${b}aes256${c} [encrypt|decrypt] [${b}-p${c} passphrase|${b}--passphrase${c}=passphrase]
  [${b}-i${c} input_file|${b}--in${c}=input_file] [${b}-o${c} output_file|${b}--out${c}=output_file]
- [${b}-f${c} format|${b}--format${c}=format]
 
 ${b}DESCRIPTION${c}
  ${b}aes256${c} is part of cross-language-encryption library and provide function
@@ -56,10 +55,6 @@ ${b}DESCRIPTION${c}
  ${b}--out=${c}output_file
  Specifies output file where will be stored result
 
- ${b}-f${c} format
- ${b}--format=${c}format
- Specifies the format, can be ${b}concat${c} or ${b}json${c}
-
  ${b}--help${c}
  Show this help
 
@@ -71,7 +66,6 @@ EOF
 usage="$(cat << EOF
 usage: aes256 encrypt|decrypt [-p passphrase|--passphrase=passphrase]
  [-i input_file|--in=input_file] [-o output_file|--out=output_file]
- [-f format|--format=format]
 EOF
 )"
 
@@ -85,7 +79,6 @@ if [[ $# -eq 0 ]]; then
 fi
 
 operation="encrypt"
-format="concat"
 
 if [[ $1 == "decrypt" ]]; then
  operation="decrypt"
@@ -138,21 +131,6 @@ while [[ $# -gt 0 ]]; do
  out="${1#--out=*}"
  ;;
 
- -f)
- shift
- if [[ $# -gt 0 ]]; then
- format="$1"
- else
- (1>&2 echo "Require format")
- exit 4
- fi
- ;;
-
- --format=*)
- format="${1#--format=*}"
- ;;
-
-
  --help)
  echo -e "$help"
  exit 0
@@ -167,11 +145,6 @@ while [[ $# -gt 0 ]]; do
  shift
 done
 
-if [[ "$format" != "json" && "$format" != "concat" ]]; then
- (1>&2 echo "Unsupported format '$format'")
- exit 9
-fi
-
 STDIN=""
 if [[ "$in" == "" ]]; then
  if readlink /proc/$$/fd/0 | grep -q "^pipe:"; then