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Explain var(s) set to "" when file(s) don't exist. So ' || true' is not nec.

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A Holt 2020-11-23 02:54:46 -05:00 • committed by GitHub
parent 5c2c13966a
commit 998b147e08
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1 changed files with 2 additions and 2 deletions
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4
roles/openvpn/templates/announcer.j2
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@ -6,7 +6,7 @@
#if [ -f /etc/iiab/openvpn_handle ]; then #if [ -f /etc/iiab/openvpn_handle ]; then
# Option #1: Source directly from /etc/iiab/local_vars.yml in future? # Option #1: Source directly from /etc/iiab/local_vars.yml in future?
# Option #2 # Option #2
HANDLE=$(cat /etc/iiab/openvpn_handle) # Set to "" if file doesn't exist HANDLE=$(cat /etc/iiab/openvpn_handle) # Sets to "" if file doesn't exist (error is ok!)
# Sourcing a variable from ~4 different places is a recipe for total confusion # Sourcing a variable from ~4 different places is a recipe for total confusion
# (or worse!) Far better to make variable openvpn_handle and file # (or worse!) Far better to make variable openvpn_handle and file
@ -28,7 +28,7 @@
#fi #fi
HANDLE=${HANDLE// /_} HANDLE=${HANDLE// /_}
#if [ -f /etc/iiab/uuid ]; then #if [ -f /etc/iiab/uuid ]; then
UUID=$(cat /etc/iiab/uuid) # Set to "" if file doesn't exist UUID=$(cat /etc/iiab/uuid) # Sets to "" if file doesn't exist (error is ok!)
#fi #fi
SERVER=/usr/bin/ncat SERVER=/usr/bin/ncat