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makeshar
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1991-06-18
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2KB
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116 lines
: Use /bin/sh
#
# $Header: /usr0/ghk/free/ispell/RCS/makeshar,v 1.2 89/07/11 00:24:58 geoff Exp $
#
# $Log: makeshar,v $
# Revision 1.2 89/07/11 00:24:58 geoff
# Don't forget to remove the temp file at the end.
#
# Revision 1.1 89/06/23 00:26:07 geoff
# Initial revision
#
#
# Make a shar file, keeping file sizes below a maximum, but as large as
# possible. The output files are put in file01.shar through filenn.shar,
# where "file" is the output base name (default "prog").
#
# If one of the output files is named "README", it is placed first in the
# first shar file.
#
# Usage:
#
# makeshar [-n] [-m max-size] [-o output-base ] [shar-switches] file-list
#
SHAR_SW=
MAXSIZE=60000
OUTPUT_BASE=prog
NUM_SHARS=no
TMP=${TMPDIR:-/tmp}/ms$$
while [ $# -gt 0 ]
do
case "$1" in
-m)
MAXSIZE=$2
shift; shift
;;
-n)
NUM_SHARS=yes
shift
;;
-o)
OUTPUT_BASE="$2"
shift; shift
;;
-*)
SHAR_SW="$SHAR_SW $1"
shift
;;
*)
break
;;
esac
done
trap "/bin/rm -f ${TMP}; exit 1" 1 2 15
trap "/bin/rm -f ${TMP}; exit 0" 13
sed -e "s;OUTPUT_BASE;$OUTPUT_BASE;" -e "s;SHAR_SW;$SHAR_SW;" \
-e "s;MAXSIZE;$MAXSIZE;" > ${TMP} << 'EOF_AWK_SCRIPT'
BEGIN { nfiles = 0 }
{
if ($3 == "total")
next
# Shar adds one extra character per line
size[nfiles] = $1 + $2
files[nfiles] = $3
nfiles++
}
END \
{
outbase = "OUTPUT_BASE"
sharcount = 1
for (filesdone = 0; filesdone < nfiles; sharcount++)
{
printf ("%s", "sharSHAR_SW")
totsize = 0
for (i = 0; filesdone == 0 && i < nfiles; i++)
{
if (files[i] == "README")
{
filesdone++
totsize += size[i]
printf (" %s", files[i])
files[i] = ""
size[i] = 0
}
}
for (i = 0; totsize < MAXSIZE && i < nfiles; i++)
{
if (files[i] != "" \
&& (totsize == 0 || size[i] < MAXSIZE - totsize))
{
filesdone++
totsize += size[i]
printf (" %s", files[i])
files[i] = ""
size[i] = 0
}
}
printf (" > %s%2.2d.shar\n", outbase, sharcount)
}
print "echo", sharcount - 1
}
EOF_AWK_SCRIPT
nshars=`wc -lc "$@" \
| sort -rn \
| awk -F ${TMP} \
| sh`
if [ $NUM_SHARS = yes ]
then
echo $nshars
else
echo $nshars shar files:
ls -l "$OUTPUT_BASE"??.shar
fi
/bin/rm -f ${TMP}