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-rwxr-xr-xharvard-linux-printer.sh7
1 files changed, 6 insertions, 1 deletions
diff --git a/harvard-linux-printer.sh b/harvard-linux-printer.sh
index 693d03cff25a..b24bb021eaea 100755
--- a/harvard-linux-printer.sh
+++ b/harvard-linux-printer.sh
@@ -1,12 +1,17 @@
#!/bin/bash
-sudo echo "Installing dependencies..."
+# sudo echo "Installing dependencies..."
# the following lines are for Ubuntu only
# sudo apt-get update > /dev/null
# sudo apt-get install cups-client cups-server-common smbclient > /dev/null
# echo "Done installing dependencies."
+# command check courtesy of https://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script
+command -v smbclient >/dev/null 2>&1 || { echo >&2 "I require smbclient but it's not installed. Aborting."; exit 1; }
+command -v lpadmin >/dev/null 2>&1 || { echo >&2 "I require lpadmin but it's not installed. Aborting."; exit 1; }
+command -v cupsd >/dev/null 2>&1 || { echo >&2 "I require cupsd but it's not installed. Aborting."; exit 1; }
+
sudo systemctl enable org.cups.cupsd.service
sudo systemctl start org.cups.cupsd.service