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bipp.shar
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bipp
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1992-10-22
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1KB
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45 lines
#! /bin/sh
# $Header: /home/jerry/.bin/RCS/bipp,v 1.4 92/10/23 10:41:28 jerry Exp $
### bipp - backquote interpolating prompter preprocessor :-)
### Usage (in MH profile): comp: -editor bipp (etc., or Editor: bipp)
## Reads a "components" file, runs commands between backquotes (in header only!)
## starts "prompter" on the edited file. Sort of a hack, but it's a good start.
#
# Placed in the public domain by Jerry Peek, jerry@ora.com, 23 October 1992.
# Use this at your own risk, inspect and fix before you use it, etc.
# If this doesn't work the way you expect it to, that's your responsibility!
stat=1 # DEFAULT EXIT STATUS (RESET TO 0 FOR NORMAL EXIT)
temp=/tmp/EDIT$$
trap 'rm -f $temp; exit $stat' 0 1 2 15
nawk '
BEGIN {
inheader = 1
}
inheader == 1 {
if ($0 ~ /^-*$/) {
# END OF HEADER
inheader = 0
}
else if (match($0, /`.*`/)) {
# GET STRING, WITHOUT THE BACKQUOTES:
torun = substr($0, RSTART + 1, RLENGTH - 2)
# QUICK-AND-DIRTY: GET ONE LINE OF OUTPUT FROM torun:
torun | getline tosub
if (sub(/`.*`/, tosub) != 1) {
printf "**** ERROR RUNNING `%s` ***\n", torun
next
}
}
}
{
print
}' $1 > $temp
# REPLACE DRAFT WITH EDITED VERSION; START prompter IF cp WORKED:
if cp $temp $1
then
prompter $1
stat=$? # EXIT WITH STATUS FROM prompter
fi