head	1.1;
access;
symbols;
locks; strict;
comment	@# @;


1.1
date	97.09.24.14.23.29;	author alexis;	state Exp;
branches;
next	;


desc
@'at' with requeuing
@


1.1
log
@Initial revision
@
text
@#!/usr/bin/ksh
DOLLAR_ZERO=$0
VERSION=`echo '$Id$' | cut -f3 -d' '`

set_prognames()
{
    if expr $DOLLAR_ZERO : '/' > /dev/null; then
        PROGNAME_FULL=$DOLLAR_ZERO
    elif expr $DOLLAR_ZERO : '.*/' > /dev/null; then
        OLD_PWD=`pwd`
        cd `dirname $DOLLAR_ZERO`
        PROGNAME_FULL=`pwd`/`basename $DOLLAR_ZERO`
        cd $OLD_PWD
    else
        for DIR in `echo $PATH | sed 's/:/ /g'`; do
            [ $DIR = . ] && DIR=`pwd`
            [ -f $DIR/$DOLLAR_ZERO ] && PROGNAME_FULL=$DIR/$DOLLAR_ZERO
        done
        [ "X$PROGNAME_FULL" = X ] && { echo "`basename $DOLLAR_ZERO`: can't locate myself!"; exit 1; }
    fi
    PROGNAME_BASE=`basename $PROGNAME_FULL`
}

usage()
{
    echo "Usage: $PROGNAME_BASE <date_specifier>"
    echo "       $PROGNAME_BASE -V"
    exit 1
}

main()
{
    set_prognames

    while [ "X$1" != X ]; do
        case "$1" in
            -V) echo "$PROGNAME_BASE version $VERSION"
                exit 0 ;;
            -*) usage ;;
            *)  break ;;
        esac
        shift
    done

    [ "X$1" = X ] && { echo "Usage: $PROGNAME_BASE <time>"; exit 1; }
    cat > /tmp/$PROGNAME_BASE.$$.stdin
    ( 
        cat /tmp/$PROGNAME_BASE.$$.stdin
        echo $PROGNAME_FULL "$@@" '2> /dev/null <<EOF'
        cat /tmp/$PROGNAME_BASE.$$.stdin
        echo EOF
    ) | at "$@@"
    rm -f /tmp/$PROGNAME_BASE.$$.stdin
}

umask 022
main "$@@"
@