Read & Display Single Line of a File

Sometimes when I’m troubleshooting a PHP error and a function is called in the debugger that gives me a line number of a file to look at, I want to know what that line says without opening up the file.  Using the command line, you can accomplish this in the following way:

head -n 96 filename.php | tail -n 1

This allows you to quickly display the 96th line of filename.php. Hope this helps someone like it has me.

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  • http://lindesk.com/ Binny V A

    This command will work as well…
    sed -n ’96p’ filename.txt

  • http://linux-blog.org devnet

    Sweet Binny! There are always multiple ways to do things in Linux and it’s fantastic to be able to have so much versatility at your fingertips :) Thanks for the extra tip :D

  • http://it.jessupblogs.com Jeff

    Thanks for your help. Exactly what I was looking for!

  • http://intensedebate.com/people/devnet devnet

    Jeff,

    You bet! Glad it helped out :)

  • Udo

    xargs -i -t -exec grep -i -w {} file_1 >>test < file_2

    This was meant to search for the contents of file_2 in file_1 and write the respective lines into file"test" . But instead it writes
    grep -i -w "string1" File_1
    grep -i -w "string2" File_1
    grep -i -w "string3" File_1
    to the standard output and creates an empty file "test"
    Any ideas why this doesn't work?
    Your help is very much appreciated

    Udo

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  • rlw

    hooray! exactly what i needed. love it when that happens.