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Vlad Doster 2020-04-10 15:35:57 -05:00 committed by GitHub
parent e9e9dd9dbb
commit 53f2f2c3ac
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6
.local/bin/delete_certain_known_hosts
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@ -1,10 +1,14 @@
#!/bin/bash #!/bin/bash
# Deletes certain lines of ~/.ssh/known_hosts # Deletes certain lines of ~/.ssh/known_hosts
# Check if any args passed
if [ $# -eq 0 ]; then if [ $# -eq 0 ]; then
echo "Usage: ./delete_certain_known_hosts 3 5 7 23" echo "Usage: ./delete_certain_known_hosts 3 5 7 23"
echo "Will catch duplicate line numbers" echo "Will catch duplicate line numbers"
exit 1 exit 1
fi fi
# Set loop variables
known_hosts_path=~/.ssh/known_hosts known_hosts_path=~/.ssh/known_hosts
lines_in_known_hosts=$(wc -l "$known_hosts_path" | awk '{print $1}') lines_in_known_hosts=$(wc -l "$known_hosts_path" | awk '{print $1}')
IFS=' ' IFS=' '
@ -18,6 +22,8 @@ else
lines_to_delete+="${var}d;" lines_to_delete+="${var}d;"
fi fi
done done
# Output information to user about what happened
if [[ -z "$lines_to_delete" ]]; then if [[ -z "$lines_to_delete" ]]; then
echo "All arguments passed were invalid lines in $known_hosts_path" echo "All arguments passed were invalid lines in $known_hosts_path"
elif [[ -n "$string" ]]; then elif [[ -n "$string" ]]; then