Jim,
I don't use modern but I do have a script for classic that works in unattended
mode on a Linux box. The caller knows the input file name and the script knows
my passphrase -- default gpg_pass2. Hope this helps with gpg2! --Steve
$ cat gpg_encrypt
#!/bin/ksh
usage="gpg_encrypt [ -a -b -e ext -n -s ] PK_ID source"
#
# Interface script for edi and ftpexec to encrypt files vi GnuPG
#
# -a Use Ascii Armor (--armor switch)
# -b Use binary (e.g. opposite of -a)
# -e Use ext as value of file extension (defaults to pgp when not specified)
# -n Do not sign (e.g. opposite of -s)
# -s Sign using key for helpd...@fchn.com as signing key
# For conflicting options, the last one entered takes precedence.
#
# PK_ID Key ID to which the file is to be encrypted.
# source Source file name to encrypt.
#
# Encryptes to a file of source.ext and name is echoed to stdlist
XRG_DBA=${XRG_DBA:=/usr/xrg_dba}
xrgbin=$XRG_DBA/bin
homedir=$($xrgbin/default gpg_home)
EXT=pgp
ARMOR=""
SIGN="--sign"
while getopts ":abe:ns" opt
do
case $opt in
a) ARMOR="--armor" ;;
b) ARMOR="" ;;
e) EXT=$OPTARG ;;
n) SIGN="" ;;
s) SIGN="--sign" ;;
*) echo $usage
exit 2
;;
esac
done
shift $(($OPTIND - 1))
if [[ $# -ne 2 ]]; then
echo "gpg_encrypt: Must supply 2 parameters" >&2
echo " usage: $usage" >&2
exit 99
fi
rm -f "$2.$EXT" > /dev/null
if [[ -z $SIGN ]]; then
gpg --batch --homedir $homedir --quiet --no-tty --always-trust $ARMOR \
--no-permission-warning --recipient $1 --output "$2.$EXT" --encrypt "$2"
x=$?
else
$xrgbin/default gpg_pass2 | gpg \
--batch --homedir $homedir --quiet --no-tty --always-trust $ARMOR \
--sign --passphrase-fd 0 --default-key helpd...@fchn.com \
--no-permission-warning --recipient $1 --output "$2.$EXT" --encrypt "$2"
x=$?
fi
if [ $x -ne 0 ]; then
echo "gpg_encrypt: gpg failure code '$x'" >&2
fi
echo "$2.$EXT"
exit $x
#
From: Gnupg-users [mailto:gnupg-users-boun...@gnupg.org] On Behalf Of Jim Ernst
Sent: Thursday, October 06, 2016 5:39 AM
To: gnupg-users@gnupg.org
Subject: Syntax Question on GPG2 on LINUX
Hello All -
I am working in a LINUX environment using GPG version 2.1.15
Can anyone give me the syntax to use gpg2 to create a signed, encrypted file
using a passphrase in a LINUX shell script ? This is being run from Oracle EBS
on a schedule so there would not be a user interacting to answer prompts. With
this mode, is there any terminal settings I would need to set ?
Thanks !!
Jim Ernst
NTT Data
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