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https://github.com/fish-shell/fish-shell
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b9b39f7c31
This is to the benefit of systems with ancient GNU sed, which does not recognize "-E", but only "-r". Fixes #2305 - even if it doesn't replace all `sed -E` invocations in the codebase, the others are unlikely to occur on CentOS and other similarly crusty systems.
28 lines
1 KiB
Fish
28 lines
1 KiB
Fish
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function __fish_print_hostnames -d "Print a list of known hostnames"
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# Print all hosts from /etc/hosts
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if type -q getent
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getent hosts 2>/dev/null | tr -s ' ' ' ' | cut -d ' ' -f 2- | tr ' ' '\n'
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else if test -r /etc/hosts
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tr -s ' \t' ' ' < /etc/hosts | sed 's/ *#.*//' | cut -s -d ' ' -f 2- | __fish_sgrep -o '[^ ]*'
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end
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# Print nfs servers from /etc/fstab
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if test -r /etc/fstab
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__fish_sgrep </etc/fstab "^\([0-9]*\.[0-9]*\.[0-9]*\.[0-9]*\|[a-zA-Z.]*\):"|cut -d : -f 1
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end
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# Print hosts with known ssh keys
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# Does not match hostnames with @directives specified
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__fish_sgrep -Eoh '^[^#@|, ]*' ~/.ssh/known_hosts{,2} ^/dev/null | string replace -r '^\[([^]]+)\]:[0-9]+$' '$1'
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# Print hosts from system wide ssh configuration file
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if [ -e /etc/ssh/ssh_config ]
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awk -v FS="[ =]+" -v OFS='\n' 'tolower($0) ~ /^ *host[^*?!]*$/{ $1=""; print }' /etc/ssh/ssh_config
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end
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# Print hosts from ssh configuration file
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if [ -e ~/.ssh/config ]
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awk -v FS="[ =]+" -v OFS='\n' 'tolower($0) ~ /^ *host[^*?!]*$/{ $1=""; print }' ~/.ssh/config
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end
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end
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