Don't use cat

diff --git a/screenshot.sh b/screenshot.sh
index 762005f4d3acdb95e8cf7f3cd598db2ed13a9886..973b58119c12948fb230b876044d00e2904d835d 100755 (executable)
--- a/screenshot.sh
+++ b/screenshot.sh
@@ -19,7 +19,7 @@ function errcho() {
 }
 
 function take_screenshot() {
-  FILENAME="$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 6 | head -n 1).png"
+  FILENAME="$(tr -dc 'a-zA-Z0-9' < /dev/urandom | fold -w 6 | head -n 1).png"
   gnome-screenshot -f "${LOCALPATH}/${FILENAME}" -p "$@"
   scp -q "${LOCALPATH}/${FILENAME}" "${REMOTEUSER}@${REMOTEHOST}:${REMOTEPATH}"
   echo -n "${URLBASE}/${FILENAME}"|xclip -selection p