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https://issues.apache.org/jira/browse/IO-552?focusedWorklogId=678242&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-678242
]
ASF GitHub Bot logged work on IO-552:
-------------------------------------
Author: ASF GitHub Bot
Created on: 06/Nov/21 22:52
Start Date: 06/Nov/21 22:52
Worklog Time Spent: 10m
Work Description: kinow commented on a change in pull request #297:
URL: https://github.com/apache/commons-io/pull/297#discussion_r744176872
##########
File path: src/main/java/org/apache/commons/io/FilenameUtils.java
##########
@@ -201,7 +201,7 @@ public static String concat(final String basePath, final
String fullFileNameToAd
if (prefix < 0) {
return null;
}
- if (prefix > 0) {
+ if (prefix > 0 && !fullFileNameToAdd.isEmpty() && '~' !=
(fullFileNameToAdd.charAt(0))) {
Review comment:
Would this work too?
```suggestion
if (prefix > 0 && !fullFileNameToAdd.startsWith("~")) {
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 678242)
Time Spent: 50m (was: 40m)
> FilenameUtils.concat fails if second argument (fullFilenameToAdd) starts with
> '~' (tilde)
> -----------------------------------------------------------------------------------------
>
> Key: IO-552
> URL: https://issues.apache.org/jira/browse/IO-552
> Project: Commons IO
> Issue Type: Bug
> Components: Utilities
> Affects Versions: 2.2, 2.5
> Environment: Windows 7 64bit, JavaVM 1.8 32bit
> Reporter: Jochen Tümmers
> Priority: Critical
> Time Spent: 50m
> Remaining Estimate: 0h
>
> {{FilenameUtils.concat("c:/temp", "~abc.txt") returns "~abc.txt/" instead of
> "c:/temp/~abc.txt".}}
> As a result, the file would be created in the user's home directory instead
> of c:/temp.
> (Note: I Had to replace all instances of double backslashes that would
> normally appear in the java code with forward slashes as the editor cannot
> handle backslashes properly.)
> commons io 2.2. and 2.5 behave the same. 2.3 and 2.4 not tested.
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