Created
May 29, 2015 19:31
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Print changes over time in program output
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| #!/bin/bash | |
| out1=$(mktemp) | |
| out2=$(mktemp) | |
| $* > $out1 | |
| date -u --rfc-3339=ns | |
| cat $out1 | |
| echo | |
| while true; do | |
| sleep ${FREQ:-2} | |
| $* > $out2 | |
| if ! diff -q $out1 $out2 > /dev/null; then | |
| date -u --rfc-3339=ns | |
| diff -u $out1 $out2 | |
| echo | |
| mv $out2 $out1 | |
| fi | |
| done |
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TODO: clean up temp files