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→$1 in bash functions
In bash functions, $1 server as the first bash function parameter and so on.
In bash functions, $1 server as the first bash function parameter and so on.
===Example===
===Example===
<syntaxhighlight lang="bash" >
#!/bin/bash
die(){
local m="$1" # the first arg
local e=$2 # the second arg
echo "$m"
exit $e
}
# if not enough args displayed, display an error and die
[ $# -eq 0 ] && die "Usage: $0 filename" 1
# Rest of script goes here
echo "We can start working the script..."
</syntaxhighlight>
Another example:
Another example:
<syntaxhighlight lang="bash" >
fingerprints() {
fingerprints() {
local file="$1"
local file="$1"
done < $file
done < $file
}
}
</syntaxhighlight>