mirror of https://github.com/tLDP/LDP
23 lines
433 B
Bash
23 lines
433 B
Bash
#!/bin/bash
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# t-out.sh [time-out]
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# Inspired by a suggestion from "syngin seven" (thanks).
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TIMELIMIT=4 # 4 seconds
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read -t $TIMELIMIT variable <&1
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# ^^^
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# In this instance, "<&1" is needed for Bash 1.x and 2.x,
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# but unnecessary for Bash 3+.
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echo
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if [ -z "$variable" ] # Is null?
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then
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echo "Timed out, variable still unset."
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else
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echo "variable = $variable"
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fi
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exit 0
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