bash util for making your tex arXivable

arxivate.sh

#!/usr/bin/env bash

# this script gets your latex ready for arxiv submission by
#     (1) sanitizing your *.tex of embarrassing comments,
#     (2) arxiv-proofing filenames, &
#     (3) gzipping everything needed into a convenient .tar.gz

HELPFLAG="-h"
FIGFLAG="-d"
OUTFLAG="-o"

usage () {
    cat <<HELP_USAGE

Usage: $( basename $0 ) [ $HELPFLAG ] [ $FIGFLAG <figdirname> ] [ $OUTFLAG <myfavzipdir> ] [ <indir> ]

    args:
        indir            optional path/to/input/dir (default: ".")

    kwargs:
        $FIGFLAG  figdirname   optional name of figs dir, i.e. under indir (default: "figs")
        $OUTFLAG  myfavzipdir  optional path/to/zipfile (default: "./arxiv<datetoday>")

    flags:
        $HELPFLAG               print this docstring & exit

HELP_USAGE
}

# stay OR help & leave
do_help=$( echo "$@" | grep -Ec "(^|[[:space:]])${HELPFLAG/-/\\-}\b" )
(( "$do_help" )) && { usage; exit 1; }

DATE=$( date +%y%m%d )  # yymmdd

DEFAULTDIR="arxiv$DATE" # default directory name
DEFAULTFIGS="figs"      # default figs (or other additional) directory
DEFAULTINDIR="."        # default input directory

ARGS="$@"
extract_flag(){
    FLAG="$1" # with optional space
    echo "$ARGS" | sed -rn "s/^.*$FLAG ?(\w*).*/\1/p" # extract $FLAG
}

# allow user to specify figs directory (or fall back to default)
FIGS=$( extract_flag "$FIGFLAG" )
[[ "$FIGS" ]] || FIGS="$DEFAULTFIGS"

# " " " " outdir/outzipfile
DIR=$( extract_flag "$OUTFLAG" )
[[ "$DIR" ]] || DIR="$DEFAULTDIR"

# " " " " path/to/input (directory of texfiles)
# extract positional arg & remove trailing "/"
INDIR=$( echo "$@" | sed -re"s/ ?($FIGFLAG|$OUTFLAG) ?\w* ?//g" -e"s/\/$//" )
[[ "$INDIR" ]] || INDIR="$DEFAULTINDIR"

[[ -d "$INDIR" ]] || { echo "Not a valid path.. try again"; exit 0; }

mkdir -p $DIR

for f in "$INDIR/"*tex; do
    fsafe=$( basename "$f" |
             sed -E 's/[^a-zA-Z0-9_+-.,=]/_/g' ) # disallowed chars -> "_"
    grep -v '^ *%' "$f" | cat -s |               # uncomment #1: whole lines (& rm extra blank lines)
        sed 's/%.*//g' > "$DIR/$fsafe"           # uncomment #2: end-of-line
done

cp -r "$INDIR/"{*sty,*bbl,$FIGS} "$DIR"

tar -czvf "$DIR".tar.gz "$DIR" # compress ze vucking files

echo -e "\nprocessed files from $INDIR (including $FIGS) --> $DIR\n"