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#!/bin/sh | |
# POSIX | |
# Reset all variables that might be set | |
file= | |
verbose=0 # Variables to be evaluated as shell arithmetic should be initialized to a default or validated beforehand. | |
while :; do | |
case $1 in | |
-h|-\?|--help) # Call a "show_help" function to display a synopsis, then exit. |