loop question Post: 302260760

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Hi, I would really appreciate some help with manipulating a file. Here is my input file: SNP_1 : 1 SNP_11 : 1 SNP_2 -0.12 1 SNP_12 -0.3472 1 SNP_3 -0.708 1 SNP_13 0.5037 1 SNP_4 1.492 0.5 SNP_14 -0.0685 1 SNP_5 1.27 0.5 SNP_15 0.547 ...

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Hi, I have code like below disk_list=$(ls /root/file1) for disk in $disk_list do pvcreate $i done I know what pvcreate command does, but I do not understand what this $i do here. can someone please explain.

LEARN ABOUT MINIX

line

line(1)                                                            User Commands                                                           line(1)

NAME

       line - read one line

SYNOPSIS

       line

DESCRIPTION

       The  line utility copies one line (up to and including a new-line) from the standard input and writes it on the standard output. It returns
       an exit status of 1 on EOF and always prints at least a new-line. It is often used within shell files to read from the user's terminal.

EXIT STATUS

       Exit status is:

       0        Successful completion

       >0       End-of-file on input.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

SEE ALSO

       sh(1), read(2), attributes(5)

SunOS 5.10                                                          1 Feb 1995                                                             line(1)

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LEARN ABOUT MINIX

line