Created
May 25, 2024 15:22
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Polls a command and presents diffs
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| #!/bin/bash | |
| # Poll command and display diffs. e.g. diffpoller.sh lsusb | |
| BASE=/tmp/$(whoami)-$(basename $0) | |
| trap "rm -f $BASE-A $BASE-B ; exit" SIGINT | |
| echo -n > $BASE-B | |
| while true ; do | |
| "$@" > $BASE-A 2>&1 | |
| diff -wu $BASE-B $BASE-A || date | |
| mv $BASE-A $BASE-B | |
| sleep 4 | |
| done |
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