From: Mart Lubbers <mart@martlubbers.net>
Date: Wed, 5 Jun 2019 09:51:41 +0000 (+0200)
Subject: allow any format resize.sh
X-Git-Url: https://git.martlubbers.net/?a=commitdiff_plain;h=e0acd1678c28f5ac13eca2c07d804c6ed5158583;p=dotfiles.git

allow any format resize.sh
---

diff --git a/shell/.local/bin/resize.sh b/shell/.local/bin/resize.sh
index 008ef4e..ae36412 100755
--- a/shell/.local/bin/resize.sh
+++ b/shell/.local/bin/resize.sh
@@ -1,9 +1,9 @@
 #!/bin/bash
 set -e
 
-if [[ "$#" -ne 2 ]] || ! [[ -e "$1" ]] ||\
+if [[ "$#" -ne 3 ]] || ! [[ -e "$1" ]] ||\
 		! [[ "$2" =~ ^[0-9]+[eEpPtTgGmMkKbB]?$ ]]; then
-	echo "Usage: $0 FILE TGT" >&2
+	echo "Usage: $0 INFILE TGT OUTFILE" >&2
 	echo "	TGT is in bytes. Allowed suffixes: bB,kK,mM,gG,tT,pP,eE" >&2
 	echo "	The result will be outputted to stdout. The progress to stderr" >&2
 	exit
@@ -40,9 +40,9 @@ while true; do
 	CUR=$((CUR+D*STEP))
 	STEP=$((STEP/2))
 	if [[ $PREV -eq $CUR ]]; then break; fi
-	if [[ $(convert "$1" -resize ${CUR}x jpg:- | wc -c) -ge $TGT ]]; 
+	convert "$1" -resize ${CUR}x "$3"
+	if [[ $(wc -c < "$3") -ge $TGT ]]; 
 	then D=-1; else D=1; fi
 	echo -n "$CUR," >&2
 done
 echo -e "\b " >&2
-convert "$1" -resize "${CUR}x" jpg:-