https://bugs.kde.org/show_bug.cgi?id=456946

            Bug ID: 456946
           Summary: kdiff3 can't read files from bash <()
           Product: kdiff3
           Version: 1.9.5
          Platform: Neon Packages
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: application
          Assignee: reeves...@gmail.com
          Reporter: v.nem...@gmail.com
  Target Milestone: ---

SUMMARY
***

***


STEPS TO REPRODUCE
1. kdiff3 <(echo hello) <(echo world) 

OBSERVED RESULT
kdiff3 shows error popup multiple times and doesn't display any diff

$ kdiff3 <(echo hello) <(echo world)
org.kde.kdiff3: "Loading A: /dev/fd/63"
kf.kio.core: couldn't create slave: "Unknown protocol 'pipe'."
org.kde.kdiff3.fileAccess: slotStatResult: pJob->error() =  173
kf.kio.core: couldn't create slave: "Unknown protocol 'pipe'."
org.kde.kdiff3.fileAccess: slotStatResult: pJob->error() =  173
kf.kio.core: couldn't create slave: "Unknown protocol 'pipe'."
org.kde.kdiff3.fileAccess: slotStatResult: pJob->error() =  173
org.kde.kdiff3: "Loading B: /dev/fd/62"
kf.kio.core: couldn't create slave: "Unknown protocol 'pipe'."
org.kde.kdiff3.fileAccess: slotStatResult: pJob->error() =  173
kf.kio.core: couldn't create slave: "Unknown protocol 'pipe'."
org.kde.kdiff3.fileAccess: slotStatResult: pJob->error() =  173
kf.kio.core: couldn't create slave: "Unknown protocol 'pipe'."
org.kde.kdiff3.fileAccess: slotStatResult: pJob->error() =  173
org.kde.kdiff3: "Diff: A <-> B"
org.kde.kdiff3: "Linediff: A <-> B"
org.kde.kdiff3: Enter: calcDiff3LineListUsingAB
org.kde.kdiff3: Leave: calcDiff3LineListUsingAB

EXPECTED RESULT
kdiff3 is able to read from file substitution and display a diff

SOFTWARE/OS VERSIONS
Operating System: KDE neon 5.24
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.94.0
Qt Version: 5.15.4
Kernel Version: 5.13.0-48-generic (64-bit)
Graphics Platform: X11
Processors: 12 × Intel® Core™ i7-8750H CPU @ 2.20GHz
Memory: 31.0 GiB of RAM
Graphics Processor: Mesa Intel® UHD Graphics 630

ADDITIONAL INFORMATION
$ kdiff3 --version
kdiff3 1.9.5 (64 bit)

$ sha256sum `which kdiff3`
397555cae80ca330a2ae30f0c30b28e0109e955e59e260cd606980e88bcf8477 
/usr/bin/kdiff3

$ apt show kdiff3
Package: kdiff3
Version: 1.9.5-0xneon+20.04+focal+release+build14
Priority: optional
Section: kde
Maintainer: Neon CI <n...@kde.org>
Installed-Size: 5,264 kB
Depends: libc6 (>= 2.14), libkf5configcore5, libkf5configwidgets5,
libkf5coreaddons5, libkf5crash5, libkf5i18n5, libkf5kiocore5,
libkf5kiowidgets5, libkf5parts5, libkf5widgetsaddons5, libkf5xmlgui5,
libqt5core5a (>= 5.15.2+p20.04+tunstable+git20220305.0110), libqt5gui5 (>=
5.15.2+p20.04+tunstable+git20220305.0110), libqt5printsupport5 (>=
5.15.2+p20.04+tunstable+git20220305.0110), libqt5widgets5 (>=
5.15.2+p20.04+tunstable+git20220305.0110), libstdc++6 (>= 5)
Recommends: kdiff3-doc
Breaks: kdiff3-qt (<< 1.0)
Replaces: kdiff3-qt (<< 1.0)
Homepage: https://kde.org/applications/development/kdiff3
Download-Size: 863 kB
APT-Manual-Installed: yes

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