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- #!/bin/bash
- #
- # Wait until a given file appears
- #
- # Params:
- # $1 - filename
- # $2 - maximum time to wait in seconds, default is 5 seconds
- if [[ $# -lt 1 || $# -gt 2 ]]
- then
- echo "invalid arguments"
- exit 1
- fi
- secs=$2
- [ ! $secs ] && secs=5
- let steps=$secs*10
- for i in `seq 1 $steps`
- do
- # -f does not work for special files (e.g. UNIX domain sockets), use ls
- # instead
- ls $1 >/dev/null 2>&1
- [ $? -eq 0 ] && exit 0
- sleep 0.1
- done
- echo "File '$1' not available after $secs second(s)"
- exit 1
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