From: Bengt Kleberg <bengt@softwell.se>
To: sam-fans@hawkwind.utcs.toronto.edu, wilyfans@jli.com
Subject: ssam, script
Date: Wed, 1 Mar 2000 10:04:04 -0500 [thread overview]
Message-ID: <200003011503.QAA08517@trillian.softwell.se> (raw)
#! /usr/local/plan9/bin/rc
cmd_name = $0
fn usage {
echo Usage: $cmd_name [-n] [-e script ] [-f sfile ] [ script ] [--] [ file ] ...
}
# directory for saving all text to be edited
# use /tmp or TMPDIR if set
tmp_dir=/tmp
if (! ~ $TMPDIR ()) {
tmp_dir=$TMPDIR
}
# file for saving all text to be edited
tmp_file = $tmp_dir/ssam.$pid.XXXXXXXX
# if OpenBSD mktemp exist, use it
if (test -x /usr/bin/mktemp) {
tmp_file = `{/usr/bin/mktemp $tmp_file}
}
# clean up on signals
fn sighup {
rm $tmp_file
exit 3
}
fn sigint {
rm $tmp_file
exit 3
}
fn sigquit {
rm $tmp_file
exit 3
}
# default values for variables
printall = 1
edit_script = ()
edit_type = ()
# parse command line arguments
while ({~ $1 -*} && {! ~ $1 --}) {
switch ($1) {
case -n
printall = 0
shift
case -e
shift
edit_script = ($edit_script $1)
edit_type = ($edit_type e)
shift
case -f
shift
if (test -f $1) {
edit_script = ($edit_script $1)
edit_type = ($edit_type f)
shift
} else {
echo $0: No such sfile: $1
exit 2
}
case *
usage
exit 1
}
}
# anything left that is not a file is a (single) edit script
if (! test -f $1) {
edit_script = ($edit_script $1)
edit_type = ($edit_type e)
shift
}
# anything left is file(s) to be edited, otherwise use stdin
if (~ $#* 0) {
cat >> $tmp_file
} else {
cat $* >> $tmp_file
}
# send edit scripts to sam and contents of edit files
# then print contents, unless -n argument
# quit (twice since file has probably not been saved)
i = 1
max = `{expr $#edit_script + 1}
{
while (! ~ $i $max) {
switch ($edit_type($i)) {
case e
echo $edit_script($i)
case f
cat $edit_script($i)
}
i = `{expr $i + 1}
}
if (~ $printall 1) {
echo '1,$ p'
}
echo q
echo q
} | sam -d $tmp_file >[2] /dev/null
#}
rm $tmp_file
exit 0
reply other threads:[~2000-03-01 18:08 UTC|newest]
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