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dsv/dsv: add Z tag to select files in ZIP archive not ending in .zip

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The  D: url file  format only works if the URL ends in .zip, .ZIP,
etc. Some URLs leading to a ZIP don't use this extension. The Z tag
introduces the following alternative use:

D: url
Z: file

where the URL is always treated as ZIP archive, no matter what it looks
like.
This commit is contained in:
Werner Almesberger 2014-03-07 08:19:28 -03:00
parent 65f93a2684
commit 7067c00a90
1 changed files with 14 additions and 5 deletions
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13
dsv/dsv
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@ -2,8 +2,8 @@
#
# dsv - Improved data sheet viewer
#
# Written 2010-2013 by Werner Almesberger
# Copyright 2010-2013 Werner Almesberger
# Written 2010-2014 by Werner Almesberger
# Copyright 2010-2014 Werner Almesberger
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
@ -68,13 +68,20 @@ flush()
ds=$nm-`basename "$url"`
mkdir -p $DSV_DIR
if [ ! -r "$DSV_DIR/$ds" ]; then
if [ "$zip" ]; then
inside=$zip
zip=$ds.zip
else
inside=${url#*.[Zz][Ii][Pp] }
fi
if [ "$inside" = "$url" ]; then
do_wget -O "$DSV_DIR/$ds" "$url"
# @@@ should handle error
else
if [ -z "$zip" ]; then
url=${url%`echo x"$inside" | sed 's/./?/g'`}
zip=$nm-`basename "$url"`
fi
if [ ! -r "$DSV_DIR/$zip" ]; then
do_wget -O "$DSV_DIR/$zip" "$url"
# @@@ should handle error
@ -90,6 +97,7 @@ flush()
name=
alias=
url=
zip=
}
@ -100,6 +108,7 @@ set_value()
name="\"$value\"";;
A:|a:) alias="$alias \"$value\"";;
D:|d:) url=$value;;
Z:|z:) zip=$value;;
"")
;; # first iteration
*) echo "unrecognized tag \"$tag\"" 2>&1