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sed command
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output="$(awk -F',' '/Name/ {print $9}' input.file)"
How do trim leading and trailing whitespace from bash variable called $output? How do I trim trailing whitespace from $output?
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acl verizonfios src 1.2.3.4
My ISP will force an IP address change every week or two. I would like to replace them with a new IP
acl verizonfios src 4.5.6.7
How do I replace the line starting with “acl verizonfios” with new IP address using sed and ssh?
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I see many examples and man pages on how to do operations like search-and-replace using sed. But, I want to match a given string or a regular pattern expression and display on the screen. How do I print lines with matching pattern using sed command only under Unix like operating systems?
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I‘ve a file as follows:
This is a test.
One bang two three
Foo dang Bar
001 0xfg 0xA
002 0xA foo bar 0xfG
I'm done
How do I delete all “words” from the above file which ends with a particular letter (say ‘g’) in each line? The output should be as follows:
This is a test.
One two three
Foo Bar
001 0xA
002 0xA foo bar
I'm done
How do I delete regex-based word using sed or awk under Linux / Unix like operating systems?
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I got over 100s of HTML files in the following format:
….
…..
<PRE> my data 1 my data 2 my data 3 my data 10000 my data N times </PRE> ..... ..
How do I extract text between two words (<PRE> and </PRE>) in unix or linux using grep command?
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