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Advantages of cat'ing file and piping to grep

Fresh3 days ago
Mar 15, 202669423 views
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Problem

Are there any additional advantages of cat'ing a file and piping it to grep, besides convenience? The convenience being that, when I retrieve commands such as those below from my history, the cursor is at the end of the line, so it is easy to modify the command with different text to grep against t…

Error Output

cat /var/tmp/trace.2043925204.xt | grep -in profile
cat /var/tmp/trace.2043925204.xt | grep -n Profile-Main

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1 Fix

Canonical Fix
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New Fix – Awaiting Verification

Fix for: Advantages of cat'ing file and piping to grep

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Better to avoid cat; write it this way if line editing matters: The reason is that pushing all the data through cat costs memory and CPU resources. Another benefit of passing the filename as an argument rather than redirect stdin is that it allows t…

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