Bash command

[guiQt]

Trying to execute:

xprop -id `xprop -root | grep "_NET_ACTIVE_WINDOW(WINDOW)" | awk '{print $5}'` | grep "WM_CLASS(STRING)" | sed -e 's/.*= "\([^"]*\)".*/\1/'

xprop -id `xprop -root | grep "_NET_ACTIVE_WINDOW(WINDOW)" | awk '{print $5}'` | grep "WM_CLASS(STRING)" | sed -e 's/.*= "\([^"]*\)".*/\1/'

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with the code:

QProcess sh;
sh.setProcessChannelMode(QProcess::MergedChannels);
sh.start("xprop -id `xprop -root | grep \"_NET_ACTIVE_WINDOW(WINDOW)\" | awk \'{print $5}\'` | "
              "grep \"WM_CLASS(STRING)\" | sed -e \'s/.*= \"\\([^\"]*\\)\".*/\\1/\'");
...

QProcess sh;
sh.setProcessChannelMode(QProcess::MergedChannels);
sh.start("xprop -id `xprop -root | grep \"_NET_ACTIVE_WINDOW(WINDOW)\" | awk \'{print $5}\'` | "
              "grep \"WM_CLASS(STRING)\" | sed -e \'s/.*= \"\\([^\"]*\\)\".*/\\1/\'");
...

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but what i get is:

xprop: error: Invalid window id format: `xprop.

xprop: error: Invalid window id format: `xprop.

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What did i forget to do?
Thanks.

[squidge]

QProcess does not support such features. Substitution and piping is part of the command processor bash.