I’m running a shell script into Linus and I have a unexpected behavior.
bash-4.2$ echo $TOOLBOX_ROOT /opt/lsas/lsas_datenbank/tools/3rd_Party/ettools bash-4.2$ export REALSCRIPT="$TOOLBOX_ROOT/sh/dbSchemaSetup.sh" bash-4.2$ echo $REALSCRIPT /sh/dbSchemaSetup.shbank/tools/3rd_Party/ettools
It looks like it is not concat both strings but rather it is appending data at the beginning.
Any suggestion?
Regards
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Answer
When the value of TOOLBOX_ROOT was set, it had a carriage return ($'r') at the end of it. As a result, the value of the REALSCRIPT variable is now:
/opt/lsas/lsas_datenbank/tools/3rd_Party/ettoolsr/sh/dbSchemaSetup.sh
… and when you echo $REALSCRIPT, the r is interpreted by echo as a carriage return, meaning: move the cursor to the beginning of the line. As a result, the visual output is “/opt/lsas/lsas_datenbank/tools/3rd_Party/ettools” but overwritten at the beginning with “/sh/dbSchemaSetup.sh”.
The best option is to prevent the r from being included in the assignment to TOOLBOX_ROOT.
The second-best option would be to remove it immediately after the assignment, with something like:
TOOLBOX_ROOT=${TOOLBOX_ROOT/%$'r'/}
… which will remove any carriage return from the end of that variable.