include 2 old scripts

.gitignore

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+# emacs
+*~
+\#*\#
+.\#*
+
+# vim
+*.sw[op]
+
+# python
+*.pyc
+__pycache__/

README.org

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+#+TITLE: README 
+Some scripts that I made for myself..
+
+ - pdfscript.py: process pdf files
+ - submixer.sh: merge ~.srt~ files into ~.ass~ files

pdfscript.py

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+"""
+Requires Python>=3.6
+"""
+
+import argparse
+import os
+import pathlib
+import subprocess
+import tempfile
+
+"""
+select pages: gs
+crop borders: pdfcrop
+landscape/portrait: pdfnup
+
+cmds:
+ - gs -sDEVICE=pdfwrite -dNOPAUSE -dBATCH -sPageList=$ARG -sOutputFile=$INFILE $OUTFILE
+ - pdfcrop --margins $ARG $INFILE $OUTFILE
+ - ./pdfnup --nup $LAYOUT $INFILE -o $OUTFILE --landscape
+"""
+
+CMDS = {
+    "gs": ("{gs} -sDEVICE=pdfwrite -dNOPAUSE -dBATCH"
+           "-sPageList={pages} sOutputFile={inp} {outp}"),
+    "pdfcrop": "{pdfcrop} --margins {margins} {inp} {outp}",
+    "pdfnup": "{pdfnup} --nup {layout} {inp} -o {outp} {landscape}"
+}
+
+
+def dispatch_cmd(op: str, args, inp: str, outp: str) -> None:
+    cmd = ""
+    if op == "gs":
+        cmd = CMDS["gs"].format(gs=args.gs_path,
+                                pages=args.pages,
+                                inp=inp,
+                                outp=outp)
+    elif op == "pdfcrop":
+        cmd = CMDS["pdfcrop"].format(pdfcrop=args.pdfcrop_path,
+                                     margins=args.crop_margins,
+                                     inp=inp,
+                                     outp=outp)
+    elif op == "pdfnup":
+        landscape = ""
+        if args.landscape:
+            landscape = "--landscape"
+        cmd = CMDS["pdfnup"].format(pdfnup=args.pdfnup_path,
+                                    layout=args.layout,
+                                    inp=inp,
+                                    outp=outp,
+                                    landscape=landscape)
+    if args.dry:
+        print(cmd)
+    else:
+        subprocess.run(cmd.split())
+    
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser()
+    parser.add_argument("input")
+    parser.add_argument("output")
+    parser.add_argument("--landscape", action="store_true")
+    parser.add_argument("--layout", help="Like 2x1")
+    parser.add_argument("--crop-margins", help="l t r b")
+    parser.add_argument("--pages", help="pages to include") # how about a not-pages
+    parser.add_argument("--gs-path", help="Path to gs executable", default="gs")
+    parser.add_argument("--pdfcrop-path", help="Path to pdfcrop executable", default="pdfcrop")
+    parser.add_argument("--pdfnup-path", help="Path to pdfnup executable", default="pdfnup")
+    parser.add_argument("--dry", action="store_true", help="Do a dry run")
+    args = parser.parse_args()
+
+    # Queue up the selected operations
+    ops = []
+    if args.pages:
+        ops.append("gs")
+    if args.crop_margins:
+        ops.append("pdfcrop")
+    if args.layout:
+        ops.append("pdfnup")
+
+    with tempfile.TemporaryDirectory() as tmpdir:
+        tmpdirpath = pathlib.Path(tmpdir)
+        files = [args.input, tmpdirpath / "temp1.pdf",
+                 tmpdirpath / "temp2.pdf"]
+
+        # idx into files list
+        inpidx = 0
+        outidx = 1  
+
+        for op in ops[:-1]:
+            # infile -> outfile
+            dispatch_cmd(op, args, files[inpidx], files[outidx])
+
+            inpidx = outidx
+            if outidx == 1:
+                outidx = 2
+            else:
+                outidx = 1
+        else:
+            # infile -> outfile
+            dispatch_cmd(ops[-1], args, files[inpidx], args.output)

submixer.sh

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+#!/bin/bash
+
+HEADER="[Script Info]
+ScriptType: v4.00+
+Collisions: Normal
+PlayDepth: 0
+Timer: 100,0000
+Video Aspect Ratio: 0
+WrapStyle: 0
+ScaledBorderAndShadow: no
+
+[V4+ Styles]
+Format: Name,Fontname,Fontsize,PrimaryColour,SecondaryColour,OutlineColour,BackColour,Bold,Italic,Underline,StrikeOut,ScaleX,ScaleY,Spacing,Angle,BorderStyle,Outline,Shadow,Alignment,MarginL,MarginR,MarginV,Encoding
+Style: Default,Arial,16,&H00FFFFFF,&H00FFFFFF,&H00000000,&H00000000,-1,0,0,0,100,100,0,0,1,3,0,2,10,10,10,0
+Style: Top,Arial,16,&H00F9FFFF,&H00FFFFFF,&H00000000,&H00000000,-1,0,0,0,100,100,0,0,1,3,0,8,10,10,10,0
+Style: Mid,Arial,16,&H0000FFFF,&H00FFFFFF,&H00000000,&H00000000,-1,0,0,0,100,100,0,0,1,3,0,5,10,10,10,0
+Style: Bot,Arial,16,&H00F9FFF9,&H00FFFFFF,&H00000000,&H00000000,-1,0,0,0,100,100,0,0,1,3,0,2,10,10,10,0"
+
+OUTFILE="out.ass"
+
+in1=$(mktemp --suffix ".ass")
+in2=$(mktemp --suffix ".ass")
+
+# Convert 1st srt to ass
+ffmpeg -i $1 $in1
+
+# Convert 2nd srt to ass
+ffmpeg -i $2 $in2
+
+# Write header
+cat <<< $HEADER > $OUTFILE
+
+# Get events from 1st input
+# awk is easier
+awk '
+  /\[Events\]/,EOF {
+    str = $0
+    sub(/,Default,/, ",Top,", str)
+    print str
+}' $in1 >> $OUTFILE
+ 
+# Get events from 2nd input
+# awk is easier
+awk -v ORS="" '
+  /\[Events\]/,EOF {
+    str = $0
+    sub(/,Default,/, ",Bot,", str)
+    print str
+}' $in2 >> $OUTFILE
+
+# cleanup
+rm $in1
+rm $in2