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freebsd/contrib/tcsh/MAKESHAR

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#!/bin/sh
#
# MAKESHAR.sh: Make a shar file for the sources
#
# $Id: MAKESHAR,v 3.1 1992/05/09 04:03:53 christos Exp $
AWK=/usr/bin/nawk # Must be nawk or gawk cause of 2D arrays
WC=/usr/ucb/wc
GREP=/usr/bin/egrep
SORT=/usr/bin/sort
SH=/bin/sh
dirs=
name=kit
files=
verbose=0
size=45000
for i
do
case $i in
-n)
name=;;
-v)
verbose=1;;
-d)
SH=/bin/cat;;
-s)
size=$1;;
*)
if [ -z "$name" ]
then
name=$i
elif [ -d $i ]
then
dirs="$dirs $i"
elif [ -f $i ]
then
files="$files $i"
else
echo "$0: File `$i' not found." 1>&2
exit 1
fi;;
esac
done
if [ \( -z "$files" \) -a \( -z "$dirs" \) ]
then
echo "Usage: $0 [-n name] [-s size] [-vd] <files>." 1>&2
exit 1
fi
$WC $files | $GREP -v total | $SORT +2 | $AWK '
BEGIN {
i = 0;
seq = 1;
size = 0;
name = 1;
used = 2;
verbose='"$verbose"';
tty = "/dev/tty";
maxsize = '"$size"';
dirs = "'"$dirs"'";
};
{
a[i, size] = $3;
a[i, name] = $4;
a[i, used] = 0;
i++;
};
END {
for (maxi = i--; i >= 0; i--) {
idx = 0;
if (a[i, used] == 0) {
if (verbose && a[i, size] > maxsize)
printf("Warning: File %s is %d > %d\n",
a[i, name], a[i, size], maxsize) > tty;
s = a[i, size];
a[i, used] = 1;
kit[seq, idx++] = i;
j = 0;
while (j < maxi) {
# Find the greatest file we can add
j = maxi;
for (k = 0; k < maxi; k++)
if (a[k, used] == 0 && a[k, size] + s < maxsize)
j = k;
if (j < maxi) {
s += a[j, size];
a[j, used] = 1;
kit[seq, idx++] = j;
}
}
sizes[seq] = s;
kit[seq++, idx] = -1;
}
}
for (i = 1; i < seq; i++) {
printf("shar -n%d -e%d %s ", i, seq - 1, dirs);
if (verbose) {
printf("%3d of %3d: ", i, seq - 1) > tty;
len = 12;
}
for (j = 0; kit[i, j] != -1; j++) {
s = a[kit[i, j], name];
if (verbose) {
clen = length(s) + 1;
len += clen;
if (len > 70) {
printf("\n ") > tty;
len = 12 + clen;
}
printf("%s ", s) > tty;
}
printf("%s ", s);
}
printf("> '"$name"'-%d.shar;", i);
if (verbose)
printf("= %5d\n", sizes[i]) > tty;
}
}' | $SH