On 30Oct2011 17:35, Tim Johnson <t...@akwebsoft.com> wrote:
| * Cameron Simpson <c...@zip.com.au> [111030 13:12]:
| > Should do. The open-an-app mechanism is the same.
| >
| > However, as written withstdin leaves the temp copy lying around (the
| > --keep mode). For HTML this won't waste much disc space by video will
| > quickly get wasteful. I intend adding a --keep=N option to tidy up the
| > temp file after N seconds, time for the app to open the file before
| > tidyup.
| Looking forward to it.
Try the attached version. Use --keepfor=60 (or similar), not --keep.
Cheers,
--
Cameron Simpson <c...@zip.com.au> DoD#743
http://www.cskk.ezoshosting.com/cs/
If you cannot, in the long run, tell everyone what you have been doing, your
doing has been worthless. - Erwin Schrodinger
#!/bin/sh
#
# Copy stdin to a temp file, then pass as arg to a command expecting a filename.
# - Cameron Simpson <c...@zip.com.au> 14jul2004
#
set -ue
: ${TMPDIR:=/tmp}
keep=
cleanafter=
ext=
cmd=$0
usage="Usage: $cmd [{--keepfor=seconds|--keep}] [--ext=.blah] command [args...]"
badopts=
while [ $# -gt 0 ]
do
case $1 in
--keepfor) keep=1
cleanafter=$2
shift
;;
--keepfor=[1-9]*)
keep=1
cleanafter=`expr "x$1" : 'x--keepfor=\(.*\)'`
;;
--keep) keep=1 ;;
--ext) ext=$2; shift ;;
--ext=*) ext=`expr "x$1" : 'x--ext=\(.*\)'` ;;
--) shift; break ;;
-?*) echo "$cmd: unrecognised option: $1" >&2
badopts=1
;;
*) break ;;
esac
shift
done
if [ $# = 0 ]
then
echo "$cmd: missing command" >&2
badopts=1
fi
[ $badopts ] && { echo "$usage" >&2; exit 2; }
tmpf=$TMPDIR/withstdin$$$ext
trap '[ $keep ] || rm -f "$tmpf"' 0
trap '[ $keep ] || rm -f "$tmpf"; exit 1' 1 2 13 15
cat >"$tmpf" || exit 1
if [ -n "$cleanafter" ]
then
( ( sleep "$cleanafter"
rm -f "$tmpf"
) &
)
fi
# no exec because the trap must run
"$@" "$tmpf"
