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# Common functions for ePiX's shell scripts
#
PROG=$(basename $0)
# global variables for all scripts
EPIX_PID=$$
# Needn't be secure
EPIX_TEMPDIR=${PROG}-${EPIX_PID}
# Caution: Common logfile name for all ${PROG} processes in cwd,
# used until we've parsed command-line options. Will assign a
# unique name once we have an input file name.
EPIX_LOGFILE=${PROG}.log
if [ -f "${EPIX_LOGFILE}" ]; then rm -f "${EPIX_LOGFILE}"; fi
# These may need to be modified
declare -r SYSTEM_STDOUT=/dev/stdout
declare -r SYSTEM_STDERR=/dev/stderr
declare -r SYSTEM_DEVNULL=/dev/null
EPIX_STDOUT=$SYSTEM_DEVNULL
EPIX_STDERR=$SYSTEM_STDERR
declare EPIX_NOTFOUND
declare LATEX_PKGS
# in increasing order of severity
function ePiX_msg {
echo -e "$PROG: $@" | tee -a "$EPIX_LOGFILE" > "$EPIX_STDOUT"
}
function ePiX_warn {
echo -e "$PROG: WARNING: $@" | tee -a "$EPIX_LOGFILE" >"$EPIX_STDERR"
}
function ePiX_fail {
echo -e "$PROG: WARNING: $@" | tee -a "$EPIX_LOGFILE" >"$EPIX_STDERR"
if [ "$EPIX_OUTROOT" = "$EPIX_INROOT" ]; then unset EPIX_OUTROOT; fi
let failure=failure+1
}
function ePiX_die {
echo -e "$PROG: ERROR: $@" | tee -a "$EPIX_LOGFILE" >"$EPIX_STDERR"
echo -e "Transcript written on ${EPIX_LOGFILE}\n"
exit 1;
}
# Echo command to stderr/stdout and logfile, then run command
#
function ePiX_command {
ePiX_msg "$@"
("$@" 2>&1) | tee -a "$EPIX_LOGFILE" > "$EPIX_STDOUT"
}
# epix_parse_filename EPIX_INFILE MY_EXTENSIONS:
#
# Attempt to decompose EPIX_INFILE into EPIX_INROOT.EPIX_SUFFIX, with
# EPIX_SUFFIX in MY_EXTENSIONS, then check for existence of file.
# If EPIX_INFILE has no suffix, the first match (if any) wins.
# If no file is found, EPIX_NOTFOUND="yes"
#
function epix_parse_filename {
EPIX_INFILE="$1"
shift;
MY_EXTENSIONS="$@"
unset EPIX_INROOT
unset EPIX_SUFFIX
unset EPIX_NOTFOUND
local FOUND_CT=0
# Check for recognized extension
for EXT in $MY_EXTENSIONS; do
TMP_ROOT="${EPIX_INFILE%.$EXT}"
if [ "$EPIX_INFILE" = "$TMP_ROOT.$EXT" ]; then
EPIX_INROOT="$TMP_ROOT"
EPIX_SUFFIX="$EXT"
break
fi
done
# None found; were we given just the root?
if [ -z "$EPIX_SUFFIX" ]; then
EPIX_INROOT="${EPIX_INFILE%%.}"
# Search for (and count) completions
for EXT in $MY_EXTENSIONS; do
if [ -f "$EPIX_INROOT.$EXT" ]; then
if [ $FOUND_CT -eq 0 ]; then # first match wins
EPIX_INFILE="$EPIX_INROOT.$EXT"
EPIX_SUFFIX="$EXT"
fi
let FOUND_CT=FOUND_CT+1
fi
done
# no match
if [ $FOUND_CT -eq 0 ]; then EPIX_NOTFOUND="yes"; fi
# Found suffix, check for input file
else
if [ -f "$EPIX_INFILE" ]; then
let FOUND_CT=FOUND_CT+1
else
EPIX_NOTFOUND="yes"
fi
fi # if $EPIX_SUFFIX=""
# initialize logfile
EPIX_LOGFILE="${EPIX_INROOT}_${EPIX_SUFFIX}.log"
if [ -f "$EPIX_LOGFILE" ]; then rm "$EPIX_LOGFILE"; fi
touch "$EPIX_LOGFILE"
# Print status messages
ePiX_msg "Processing $EPIX_INFILE:"
if [ $FOUND_CT -eq 0 ]; then
ePiX_warn " No completion of \"$EPIX_INROOT\" found"
elif [ $FOUND_CT -ge 2 ]; then
ePiX_warn " Found $FOUND_CT completions of \"$EPIX_INROOT\", using $EPIX_INFILE"
elif [ "$EPIX_NOTFOUND" = "yes" ]; then
ePiX_warn " \"$EPIX_INFILE\" not found"
fi
} # end of epix_parse_filename
# Get extra LaTeX package names from file
function ePiX_usepackages()
{
TMP_PKGS=$(grep "%% usepackages " $1)
LATEX_PKGS=${TMP_PKGS#"%% usepackages "}
}
function ePiX_usage()
{
cat <<HELP
Usage: $1 [options] <file(s)>[$2]
HELP
}
function ePiX_version()
{
cat <<VERSION
$1 (ePiX 1.2.1)
Copyright (C) 2007 Andrew D. Hwang
VERSION
}
function ePiX_license()
{
cat <<LICENSE
License GPLv2+: GNU GPL version 2 or later <http://gnu.org/licenses/gpl.html>
ePiX is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
LICENSE
}
function ePiX_bugreport()
{
my_decode="tr '[a-m][n-z]' '[n-z][a-m]'" # Mac OS X has no 'rot'
SPAMMY="<$(echo nujnat|$my_decode)@$(echo zngupf|$my_decode)."
SPAMMY="${SPAMMY}$(echo ubylpebff|$my_decode).$(echo rqh|$my_decode)>"
cat <<BUG
Please report bugs to $SPAMMY
BUG
}
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