Using adb in bash is giving different results than expected

Question

I have a bash script for uninstalling some software that is loaded onto our devices.

#!/bin/bash
APKS=`adb shell pm list packages projects`

for apk in $APKS
do
    apk=${apk##package:}
    echo "Uninstalling: $apk"
    adb uninstall $apk
done

When i run this script, all of the commands to uninstall an apk fail. However, when i run the exact same command (adb uninstall projects.abd.def) outside of the bash script, it executes successfully.

What am i doing wrong in the bash script?

possible duplicate of adb uninstall command doesn't work in Bash shell for statement — prolink007
– prolink007, Commented Sep 24, 2012 at 18:00

prolink007 · Accepted Answer · 2012-09-24 17:59:47Z

1

I figured out the issue. I assumed there was a carriage return in the variable and had tested for this and it was still not working.

However, after googling a little more, i realized i was chopping off the carriage return incorrectly.

Here is the correct way:

apk=`echo -n ${apk} | tr -d "\r"`

answered Sep 24, 2012 at 17:59

prolink007

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