update URL and copyright

[etc/zsh.git] / .zsh / zshrc / 30_aliases

diff --git a/.zsh/zshrc/30_aliases b/.zsh/zshrc/30_aliases
index 7acf4603a3996701378bd8f5bbca6b4d315f9495..9614b2555d8bc91a5e35db1778df40eec41e365d 100644 (file)
--- a/.zsh/zshrc/30_aliases
+++ b/.zsh/zshrc/30_aliases
@@ -2,10 +2,10 @@
 #
 # Defines command shortcuts
 #
-# Copyright © 1994–2008 martin f. krafft <madduck@madduck.net>
+# Copyright © 1994–2017 martin f. krafft <madduck@madduck.net>
 # Released under the terms of the Artistic Licence 2.0
 #
-# Source repository: git://git.madduck.net/etc/zsh.git
+# Source repository: http://git.madduck.net/v/etc/zsh.git
 #
 
 function trace() { eval "set -x; $@" }
@@ -211,6 +211,15 @@ pdfextract() {
   local o=$2
   shift 2
   pdftk "$i" cat "${@:-1-end}" output "${o%.pdf}.pdf"
+  if [ -n "$1" ]; then
+    local tmpfile
+    tmpfile=$(tempfile -p pdftk -s .pdf)
+    cleanup() { rm -f $tmpfile; trap - EXIT; }
+    trap cleanup EXIT
+    pdftk "$i" cat "1-end~${(j:~:)@}" output $tmpfile
+    mv $tmpfile "$i"
+    cleanup
+  fi
 }
 compdef _files pdfextract