Changes to be committed:

modified:   mdlspipe
	Adding defaults to script to support bot .env and nomadic usage.

.env

@@ -1,2 +0,0 @@
-Working_Fullpath=$(pwd)
-Working_Directory=$(basename $Working_Fullpath)

.env.default

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+Working_Fullpath=$(pwd)
+Working_Directory=$(basename $Working_Fullpath)
+
+# IMPORTANT - The order of keys in keys_of_interest *must* match the order in
+# 	which mdls prints them or csv output will be incoherent
+
+keys_of_interest=("kMDItemFSCreationDate" "kMDItemFSName")

.gitignore

@@ -1,2 +1,3 @@
 .*.sw*
-
+*.log
+.env

LICENSE

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+Copyright (c) Michael Holloway, 2022
+
+Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
+
+    Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
+    Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

README.md

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+mdlspipe
+========
+
+v0.1.1
+Supported Platforms: Mac OS X
+
+Provided a directory (default is current directory), capture particular
+fields of `mdls` output for each file in provided directory in a csv.
+
+Usage
+-----
+
+Run directly:
+
+./mdlspipe
+
+Place mdlspipe in your $PATH and run from $PWD.
+
+By default, mdlspipe will write the output data to a csv called
+'mdlspipe_YYYY-MM-DD_HH-MM-SS.csv'.
+

hash-files

@@ -1,85 +0,0 @@
-#!/usr/bin/env bash
-set -a
-source .env 2>&1 > /dev/null
-set +a
-
-DateTimeStamp=$(date +\%D_\%T)
-
-## Functions
-############
-
-write_log () {
-echo "		++ Write to log.
-		$DateTimeStamp - $1
-		+++++++++++++++"
-}
-
-create_list_of_files () {
-#echo "=== Get list of files in $Working_Directory. ===
-#=================================================="
-	IFS=$'\n'
-	for file in $(find $Working_Fullpath -maxdepth 1 -type f); do
-		list_of_files+=( $file )
-	done	
-	write_log "List of files created successfully."
-	unset IFS
-}
-
-hash_files () {
-#echo "=== Hash files. ===
-#======================"
-	IFS=$'\n'
-	for file in ${list_of_files[@]}; do
-		hash=$(md5sum $file | awk '{ print $1 }')
-		list_of_hashes+=( $hash )
-	done
-	write_log "Files hashed successfully."
-	unset IFS
-}
-
-create_csv () {
-#echo "=== Create array of comma-separated-values. ===
-#=================================================="
-	for i in ${!list_of_files[@]}; do
-		csv_array+=( ${list_of_files[i]},${list_of_hashes[i]} )
-	done
-	export csv_array
-	write_log "CSV Array creation successful."
-}
-
-write_data () {
-#echo "=== Write data to a .csv file. ===
-#===================================="
-	temp_csv_file=$(mktemp)
-	printf '%s,%s\n' "File Path" "File Hash" >> $temp_csv_file
-	for line in ${csv_array[@]};do
-		printf '%s\n' $line
-	done >> $temp_csv_file
-#	cat $temp_csv_file
-	write_log "$temp_csv_file written successfully."
-}
-
-cleanup () {
-	write_log "Cleanup completed successfully."
-}
-
-## Main
-#######
-
-trap cleanup EXIT
-
-echo "Main Start"
-create_list_of_files
-hash_files
-if [ ${#list_of_files[@]} != ${#list_of_hashes[@]} ];then
-	echo "Error! Number of files and hashes differs. Exiting..." && exit
-else
-	create_csv
-fi
-write_data
-cleanup
-
-#while $list_of_files >=1; do
-#done
-
-

mdlspipe

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+#!/usr/bin/env bash
+log_file=/var/log/mdlspipe.log
+Working_Fullpath=$(pwd)
+Working_Directory=$(basename $Working_Fullpath)
+keys_of_interest=("kMDItemFSCreationDate" "kMDItemFSName")
+md5_bin=$(which md5sum)
+mktemp_bin=$(which mktemp)
+DateTimeStamp=$(date +\%D_\%T)
+
+IFS=$'\n'
+
+set -a
+source .env 2>&1 > /dev/null
+set +a
+
+## Functions
+############
+
+write_log () {
+## Use on systems managed with systemd
+#	printf 'mdlspipe:	%s\n' "$1" | systemd-cat
+	printf '%s	mdlspipe:	%s\n' "$DateTimeStamp" "$1" >> $log_file
+}
+
+
+
+mdls_per_file () {
+	file=$1
+	unset mdls_properties
+	for line in $(mdls $file); do
+		old_IFS=$IFS
+		unset IFS
+		mdls_key=$(printf "%s" $line | cut -d '=' -f 1)
+		mdls_value=$(printf "%s" $line | cut -d '=' -f 2)
+		if [[ " ${keys_of_interest[*]} " =~ " ${mdls_key} " ]];then
+			IFS=$old_IFS
+			mdls_properties+=( $mdls_value )
+			unset IFS
+		else
+			: # "Did not print!"
+		fi
+		IFS=$old_IFS
+	done
+	IFS=',';echo "${mdls_properties[*]}";IFS=$old_IFS
+}
+
+
+write_per_file () {
+# "=== Write data to a .csv file. ===
+#===================================="
+#	cat $temp_csv_file
+#	write_log "$temp_csv_file written successfully."
+printf 'File: %s\nHash: %s\nMDLS Properties:\t%s\n' $1 $2 $3
+}
+
+cleanup () {
+	write_log "Cleanup completed successfully."
+}
+
+## Main
+#######
+
+trap cleanup EXIT
+
+## Create temp file
+temp_csv_file=$($mktemp_bin)
+## Initialize column names
+csv_columns=( "File Path" "File Hash" )
+## Populate Columns from keys of interest
+for key in ${keys_of_interest[@]};do
+	csv_columns+=( $key )
+done
+## Print columns to first line of csv
+# "======= CSV Column Headers ========"
+{ IFS=',';echo "${csv_columns[*]}";IFS=$'\n'
+## Loop through files, writing to csv
+for file in $(find $Working_Fullpath -maxdepth 1 -type f); do
+	## Set our hash value
+	hash=$($md5_bin $file | awk '{ print $4 }')
+#	Print csv row output
+#	"============= CSV Row =========="
+	echo "$file,$hash,$(mdls_per_file $file)"
+#	write_per_file $file $hash $mdls_properties
+done	
+} >> $temp_csv_file
+unset IFS
+mv $temp_csv_file $PWD/mdlspipe_$(date +%\D_\%T|sed 's/[:|\/]/-/g').csv