Lets assume I have the following script:
$originalPath=pwd
D:\code\ps1\misc\title.ps1 "dynamo db"
$CURPATH = "$PSScriptRoot\path.txt"
$DB_DIR= cat $CURPATH
cd $DB_DIR
java -D"java.library.path=./DynamoDBLocal_lib" -jar DynamoDBLocal.jar
cd $originalPath
This script starts the java program correctly, however, when I hit CTRL+C, the last cd command is not executed.
Is this by design for powershell? Or can I change this?
Written as of PowerShell Core 7.2.5.
When you use Ctrl-C to abort an external program, the current PowerShell script (runspace) is terminated too.
While you cannot prevent your script from getting terminated, you can perform clean-up actions, namely in the finally block of a try / catch / finally statement:
$originalPath = $PWD
# ...
try {
cd $DB_DIR
java -D"java.library.path=./DynamoDBLocal_lib" -jar DynamoDBLocal.jar
} finally {
# This block is *always* executed, but limitations apply
# if Ctrl-C was pressed:
# * Execution invariably ends with this block.
# * You cannot output to the success output stream or error stream,
# neither explicitly nor implicitly: doing so quietly and instantly
# aborts processing.
# * However, the *other* output streams *can* be targeted, namely with
# the following cmdlets (but note that except for Write-Host and Write-Warning,
# producing visible output is opt-in):
# Write-Host, Write-Warning, Write-Verbose, Write-Debug, Write-Information
cd $originalPath
}