Bash snippet - Allocate a file without physical pre-allocation (a sparse file).

SUBMITTED BY: DanielK

DATE: Aug. 13, 2016, 2:58 p.m.

FORMAT: Bash

SIZE: 183 Bytes

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function alloc_file()
{
  if [ $# -gt 1 ]; then
    dd if=/dev/zero bs=1 of="${1}" count=0 seek=${2}
  else
    echo "${FUNCNAME} <path> <size> [K,M,G suffixes allowed]"
  fi
}