[ssh_tools] tabssh: check dependencies
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@ -18,6 +18,7 @@ set -u
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# Exit codes
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readonly EXIT_SUCCESS=0
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readonly EXIT_USAGE=127
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readonly EXIT_DEPENDENCY=4
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readonly EXIT_HOSTS_LIST=6
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print_usage()
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@ -54,6 +55,13 @@ elif [ $# -ne 1 ] ; then
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bad_usage "Wrong number of arguments."
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fi
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# Check dependencies
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SCREEN=$(command -v screen)
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if [ -z "$SCREEN" ] ; then
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err "GNU screen is required by this script."
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exit $EXIT_DEPENDENCY
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fi
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# Hosts list file
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[ -z ${XDG_CONFIG_HOME+x} ] && XDG_CONFIG_HOME="$HOME/.config"
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HOSTS_LIST_NAME="$1"
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@ -75,5 +83,5 @@ fi
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while read -r HOST ; do
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SSH="ssh ${LOGIN}${HOST}"
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# shellcheck disable=SC2086
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screen -t "$SSH" $SSH
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$SCREEN -t "$SSH" $SSH
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done <"$HOSTS"
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