Script updating timestamp

FLAMP Queue Touch

For timezone offset making FLAMP hash match.

fqt

@@ -0,0 +1,149 @@
+#!/bin/bash
+
+# fqt - FLAMP Queue Touch'
+#
+# Simplify matching queue ID in FLAMP by changing file's date.
+
+Help()
+{
+   echo 'Usage: fqt \[OPTION\]... TIMESTAMP... FILE...'
+   echo 'Update a file'\''s timestamp helping recreate the hash, or queue id, in FLAMP.'
+   echo
+   echo 'options:'
+   echo '  -h             display this help and exit'
+   echo '  --help         display longer help and exit'
+   echo '  -v, --version  output version information and exit'
+   echo
+   echo 'fqt is short for FLAMP Queue Touch'
+}
+
+LongHelp()
+{
+   echo 'Example'
+   echo '  FLAMP text shown in FLDIGI:'
+   echo '/// BEGIN ///'
+   echo 'QST DE N0CALL'
+   echo
+   echo '<PROG 18 588E>{D5C6}FLAMP 2.2.07'
+   echo '<FILE 35 EEAC>{D5C6}20230610151423:flamp-file.k2s'
+   echo '                    ^^^^^^^^^^^^^^--> --> --> --> Use these numbers -->\'
+   echo '<ID 26 6D1A>{D5C6}N0CALL Demonstration'
+   echo '<SIZE 13 4B1B>{D5C6}45 1 64                                           |'
+   echo '<DATA 53 5A03>{D5C6:1}[b64:start]VGhpcyBpcyBhIHRlc3QuCg==             v'
+   echo '[b64:end]'
+   echo '<CNTL 10 2CBA>{D5C6:EOF}                                              |'
+   echo '<CNTL 10 8CB6>{D5C6:EOT}                                              v'
+   echo
+   echo 'QST DE N0CALL K                                                       |'
+   echo '///  END  ///                                                         v'
+   echo '               vvvvvvvvvvvvvv <-- <-- <-- <-- <-- <-- <-- Here <-- <--/'
+   echo '  command: fqt 20230607013934 flamp-file.k2s'
+   echo
+   echo 'Tips'
+   echo '  If hash doesn'\''t match, try to'
+   echo '    Remove and re-Add the file in FLAMP'
+   echo '    Toggle Comp check box (usually compression, unless file is small)'
+   echo '    Change base64 (usually base64)'
+   echo '    Change Blk size (usually 64)'
+   echo
+   echo 'Information on hash in documentation'
+   echo 'FLAMP Amateur Multicast Protocol (AMP-2) - Version 3.0'
+   echo 'available at: <http://www.w1hkj.com/files/flamp/Amp-2.V3.0.Protocol.pdf>'
+   echo
+   echo '  20130316010524:ShortMessage2.txt0base12896'
+   echo
+   echo '  Example format:'
+   echo
+   echo '  |20130316010524:ShortMessage2.txt|0|base128|96|'
+   echo '  |     DTS      :       FN        |C|   B   |BS|'
+   echo
+   echo '  DTS = Date/Time Stamp'
+   echo '  FN  = File Name'
+   echo '   C  = Compression 1=ON,0=OFF'
+   echo '   B  = Base Conversion (base64, base128, or base256)'
+   echo '  BS  = Block Size, 1 or more characters'
+   echo '   |  = Field separator.'
+   echo
+   echo 'Usage: fqt [OPTION]... TIMESTAMP... FILE...'
+   echo 'Update a file'\''s timestamp helping recreate the hash, or queue id, in FLAMP.'
+   echo
+   echo 'TIMESTAMP is the string appearing in FLAMP header'
+   echo 'and is formatted YYYYmmddHHMMSS '
+   echo
+   echo 'A FILE argument that does not exist is created empty. (Not helpful.)'
+   echo
+   echo 'options:'
+   echo '  -h             display short help and exit'
+   echo '  --help         display this longer help and exit'
+   echo '  -v, --version  output version information and exit'
+   echo
+   echo 'This should work across timezones and across Daylight Savings times.'
+   echo
+   echo 'fqt is short for FLAMP Queue Touch'
+}
+
+Version()
+{
+   echo 'fqt - FLAMP Queue Touch'
+   echo 'Not Copyrighted'
+   echo 'No License'
+   echo 'This is free software: you are free to change and redistribute it.'
+   echo 'There is NO WARRANTY, to the extent permitted by law.'
+   echo
+   echo 'Use at your own risk!'
+   echo
+   echo 'Written by a ham.'
+}
+
+# Note that we use "$@" to let each command-line parameter expand to a
+# separate word. The quotes around "$@" are essential!
+# We need TEMP as the 'eval set --' would nuke the return value of getopt.
+if ! TEMP=$(getopt -o '::hv' --long 'help,version' -n 'fqt' -- "$@") ;
+then
+        echo 'Unexpected input. Terminating...' >&2
+        exit 1
+fi
+
+# Note the quotes around "$TEMP": they are essential!
+eval set -- "$TEMP"
+unset TEMP
+
+
+# getopt -l "help" -a -o "" -- "$@"
+while true; do
+   case "$1" in
+      '-h')
+         Help
+         exit;;
+      '--help')
+         LongHelp
+         exit;;
+      '-v'|'--version')
+         Version
+         exit;;
+      '--') # Useless for this file?
+         shift
+         break;;
+     *) # Invalid option
+         echo 'Error: Invalid option'
+         exit 1;;
+   esac
+done
+
+GIVEN="$1"
+#echo "$GIVEN"
+# YYYYmmddHHMMSS
+# 20230607013934
+
+GIVEN_DATE=$(echo "$GIVEN" | sed 's/\(....\)\(..\)\(..\)\(..\)\(..\)\(..\)/\1-\2-\3 \4:\5:\6/')
+#echo "$GIVEN_DATE"
+# YYYY-mm-dd HH:MM:SS
+# 2023-06-07 01:39:34
+
+UTC_TOUCH="$(date -d "$GIVEN_DATE"Z +%Y%m%d%H%M.%S)"
+#echo "$UTC_TOUCH"
+# YYYYmmddHHMM.SS
+# 202306062139.34
+
+#echo touch -m "$UTC_TOUCH" "$2"
+touch -m "$UTC_TOUCH" "$2"