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Editorial Team
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Asked: 2026-05-31T03:42:30+00:00

#!/bin/bash file=debian.deb test=basename $file .deb DP=blah/blah/$test/$test.php read -p [$DP]: DPREPLY DPREPLY=${DPREPLY:-$DP} echo Blah is

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#!/bin/bash
file=debian.deb
test=basename $file .deb
DP="blah/blah/$test/$test.php"
read -p "[$DP]: " DPREPLY
DPREPLY=${DPREPLY:-$DP}
echo "Blah is set to $DPREPLY"
echo $DPREPLY>>testfile

So what I’m trying to do is set the variable test from the variable file and use it in the file testfile.

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1 Answer

  1. Editorial Team

    Use the command substitution $(...) mechanism:

    test=$(basename "$file" .deb)

    You can also use backquotes, but these are not recommended in modern scripts (mainly because they don’t nest as well as the $(...) notation).

    test=`basename "$file" .deb`

    You need to know about backquotes in order to interpret other people’s scripts; you shouldn’t be using them in your own.

    Note the use of quotes around "$file"; this ensures that spaces in filenames are handled correctly.

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