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troubleshooting Question

sed: how to search for string and insert a line AFTER

Avatar of JCTDD
JCTDD asked on
ProgrammingShell ScriptingRegular Expressions
5 Comments1 Solution859 ViewsLast Modified:
I have a large number of inputfile.txt files that looks like this:

abcdef
ghijk
lmnopq

I would like to SEARCH for the pattern 'abc' and insert a line 'xyz' such that outputfile.txt should now look like:

abcdef
xyz
ghijk
lmnopq

I'm reading thru: http://www.grymoire.com/Unix/Sed.html
but i'm having difficulties because the author suddenly switches his examples from the command line to shell script.

I want an example that works from the command line.

sed 'a/abc/xyz' < inputfile.txt > outputfile.txt
sed: command garbled:

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JCTDD

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