LDP/LDP/guide/docbook/abs-guide/ex24.sh

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#!/bin/bash
# Faxing (must have 'efax' package installed).
EXPECTED_ARGS=2
E_BADARGS=85
MODEM_PORT="/dev/ttyS2" # May be different on your machine.
# ^^^^^ PCMCIA modem card default port.
if [ $# -ne $EXPECTED_ARGS ]
# Check for proper number of command-line args.
then
echo "Usage: `basename $0` phone# text-file"
exit $E_BADARGS
fi
if [ ! -f "$2" ]
then
echo "File $2 is not a text file."
# File is not a regular file, or does not exist.
exit $E_BADARGS
fi
fax make $2 # Create fax-formatted files from text files.
for file in $(ls $2.0*) # Concatenate the converted files.
# Uses wild card (filename "globbing")
#+ in variable list.
do
fil="$fil $file"
done
efax -d "$MODEM_PORT" -t "T$1" $fil # Finally, do the work.
# Trying adding -o1 if above line fails.
# As S.C. points out, the for-loop can be eliminated with
# efax -d /dev/ttyS2 -o1 -t "T$1" $2.0*
#+ but it's not quite as instructive [grin].
exit $? # Also, efax sends diagnostic messages to stdout.