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grep ^IPADDR= /etc/sysconfig/network-scripts/ifcfg-$devicename

Can i just do $devicename without any brackets? Because I'm having using a head -1 to read off the first line of the file which will than be append to the $devicename. But when I run it, it says grep: enp0s3: No such file or directory or grep: lo: No such file or directory

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  • possible duplicate of grep for expression containing variable Commented Jul 16, 2015 at 14:49
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    your variable $devicename probably has a space at the start. Commented Jul 16, 2015 at 14:52
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