initial version of sapfile: Display SAP file types

sapfile

@@ -0,0 +1,110 @@
+#!/bin/bash
+# sapfile: Determine and display SAP file type
+#
+# Copyright 2023 Bernd Finger, Red Hat
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+# http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+usage () {
+   echo "sapfile: Determine and display SAP file type. If unknown, call the file command."
+   echo "Usage: sapfile [OPTION...] [FILE...]"
+   echo "Determine type of SAP FILEs, optionally followed by type of FILEs."
+   echo "  -h, --help                 display this help and exit"
+   echo "  -i                         also display the output of the plain file command for this FILE"
+}
+
+if [[ $# == 0 || ${1}. == "-h." || ${1}. == "--help." ]]; then
+   usage
+   exit 1
+fi
+if [[ ${1}. == "-i." ]]; then
+   _RUN_FILE_COMMAND="y"
+   shift 1
+else
+   _RUN_FILE_COMMAND="n"
+fi
+
+for _FILE in "$@"; do
+   if [[ ${_RUN_FILE_COMMAND}. = "y." ]]; then
+      _FILE_OUTPUT=$(file "${_FILE}" | sed 's,'"${_FILE}"': ,,')
+   else
+      _FILE_OUTPUT=""
+   fi
+   printf "%-32s " "${_FILE}":
+
+   if [[ ! -e "${_FILE}" ]]; then
+      echo "No such file or directory."
+      exit 1
+   fi
+   if [[ -d "${_FILE}" ]]; then
+      printf "%-24s%s\n" "directory" "${_FILE_OUTPUT}"
+      exit 1
+   fi
+
+   _FILE_TYPE=$(echo "${_FILE}" | awk '
+   BEGIN{_sap_file_type="look_inside"}
+   /SAPCAR/&&/\.EXE/{_sap_file_type="sapcar"}
+   /IMDB/&&/\.SAR/{_sap_file_type="sap_hana"}
+   /SWPM/&&/\.SAR/{_sap_file_type="sap_swpm"}
+   /SAPHOSTAGENT/&&/\.SAR/{_sap_file_type="sap_hostagent"}
+   /igsexe/||/igshelper/{_sap_file_type="sap_igs"}
+   /SAPEXE_/||/SAPEXEDB_/{_sap_file_type="sap_kernel"}
+   /SAPWEBDISP_/{_sap_file_type="sap_webdisp"}
+   /SAPJVM/{_sap_file_type="sap_jvm"}
+   /ASEBC/{_sap_file_type="sap_db_ase"}
+   /DBATL/{_sap_file_type="sap_db_oracle"}
+   /COMPLETE/{_sap_file_type="sap_hana_backup"}
+   /S4/&&/HANA/&&/LANG/{_sap_file_type="sap_s4hana_lang"}
+   /S4/&&/EXPORT/{_sap_file_type="sap_s4hana_export"}
+   /BW4/&&/EXPORT/{_sap_file_type="sap_bw4hana_export"}
+   /VCH/&&/\.SAR/{_sap_file_type="sap_vch_afl"}
+   END{print _sap_file_type}')
+
+   if [[ ${_FILE_TYPE}. != "look_inside." ]]; then
+      printf "%-24s%s\n" "${_FILE_TYPE}" "${_FILE_OUTPUT}"
+   else
+      _FILE_TYPE=$(file "${_FILE}" | awk '
+      BEGIN{_file_type="generic"}
+      /RAR self-extracting archive/||/RAR archive data/{_file_type="rar"}
+      /Zip archive data/{_file_type="zip"}
+      /SAPCAR archive data/{_file_type="sapcar"}
+      END{print _file_type}')
+      if [[ ${_FILE_TYPE}. = "rar." ]]; then
+         _list_content="lsar"
+      elif [[ ${_FILE_TYPE}. = "zip." ]]; then
+         _list_content="zipinfo -1"
+      elif [[ ${_FILE_TYPE}. = "sapcar." ]]; then
+         _list_content="sapcar -tvf"
+      elif [[ ${_FILE_TYPE}. = "generic." ]]; then
+         printf "%-24s%s\n" "sap_unknown" "${_FILE_OUTPUT}"
+      fi
+
+      if [[ ${_FILE_TYPE}. != "generic." ]]; then
+         _SAP_FILE_TYPE=$(eval "${_list_content}" "${_FILE}" | awk '
+         BEGIN{_sap_file_type="sap_unknown"}
+         /BD_SYBASE_ASE/{_sap_file_type="sap_db_ase"}
+         /MaxDB_7.9/{_sap_file_type="sap_db_maxdb"}
+         /19cinstall.sh/||/OCL_LINUX_X86_64/{_sap_file_type="sap_db_oracle"}
+         /db2setup/||/db6_update_client.sh/||/db2aese_c.lic/{_sap_file_type="sap_db_db2"}
+         /DATA_UNITS\/EXPORT/{_sap_file_type="sap_ecc_export"}
+         /EXP[0-9]/{_sap_file_type="sap_ecc_ides_export"}
+         /DATA_UNITS\/EXP[0-9]/{_sap_file_type="sap_nwas_abap_export"}
+         /DATA_UNITS\/JAVA_EXPORT_JDMP/{_sap_file_type="sap_nwas_java_export"}
+         END{print _sap_file_type}')
+         printf "%-24s%s\n" "${_SAP_FILE_TYPE}" "${_FILE_OUTPUT}"
+      fi
+   fi
+done