view more/timeout.sh @ 1157:300e6d919d86

Move "sources/more/" to just "more/", add a README explaining why those scripts are there, and adjust calls to them.
author Rob Landley <rob@landley.net>
date Mon, 05 Jul 2010 15:37:04 -0500
parents sources/more/timeout.sh@716ad74e0598
children 2868f2d87624
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#!/bin/bash

# Run a command line with a hang timeout, which kills the child process if it
# doesn't produce a new line of output for $1 seconds.

# This script has to be a separate process (rather than just a shell function)
# so killing it doesn't kill the parent process.

source sources/functions.sh

if [ $# -lt 1 ]
then
  echo "Usage: timeout.sh SECONDS COMMANDS..." >&2
  exit 1
fi

trap "killtree $$" EXIT
TIMEOUT="$1"
shift
( eval "$@" ) | tee >(while read -t "$TIMEOUT" -n 32 i; do true; done; sleep 1; kill -TERM $$ 2>/dev/null )