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August 29, 2015 13:58
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Bash script to limit the number of times fortune-cowsay message is displayed at terminal start up
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| # Checking dependencies | |
| command -v fortune >/dev/null 2>&1 || | |
| { echo >&2 "I require fortune but it's not installed. Aborting."; exit 1; } | |
| command -v cowsay >/dev/null 2>&1 || | |
| { echo >&2 "I require cowsay too, but it's not installed. Aborting."; exit 1; } | |
| # Set your counter limit here | |
| COUNTER_LIMIT=7 | |
| FILE="$HOME/.counter.data" | |
| if [ ! -f $FILE ] | |
| then | |
| echo 0 > $FILE | |
| fi | |
| count=`cat $FILE` | |
| if [ $(($count % $COUNTER_LIMIT)) == 0 ] | |
| then | |
| fortune | cowsay | |
| fi | |
| count=`expr $count + 1` | |
| echo $count > $FILE |
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I think the number should be random, it is more surprising when it appears when u least expect it. :).