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Top Forums UNIX for Dummies Questions & Answers Comparing to specific line in file bash script Post 302732083 by ShiGua on Friday 16th of November 2012 02:22:40 PM
Old 11-16-2012
Comparing to specific line in file bash script

Hi,

I have a value stored in x and I need to compare it to the numbers in every other line of a file. The file contains alternating lines of numbers and letters:

aaaa1111
AAAAAAAA
bbbb2222
BBBBBBBB
cccc3333
CCCCCCCC

I need to compare x to the numbers in every other line without the first four characters of that line. So I want to compare x to 1111, then to 2222, then 3333. This is to be the condition in an if statement:

if [ $x = (line 1 without first four characters) ]
or
if [ $x = (line 3 without first four characters) ]

I know I would have to use something along the lines of = $(sed something) or maybe cut, but I don't know how to reference the file by line.

Let me know if I need to be more clear. Thanks for any help!
 

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MooseX::Types::Common::String(3pm)			User Contributed Perl Documentation			MooseX::Types::Common::String(3pm)

NAME
MooseX::Types::Common::String - Commonly used string types SYNOPSIS
use MooseX::Types::Common::String qw/SimpleStr/; has short_str => (is => 'rw', isa => SimpleStr); ... #this will fail $object->short_str("string with breaks"); DESCRIPTION
A set of commonly-used string type constraints that do not ship with Moose by default. o SimpleStr A Str with no new-line characters. o NonEmptySimpleStr A Str with no new-line characters and length > 0 o LowerCaseSimpleStr A Str with no new-line characters, length > 0 and no uppercase characters A coercion exists via "lc" from NonEmptySimpleStr o UpperCaseSimpleStr A Str with no new-line characters, length > 0 and no lowercase characters A coercion exists via "uc" from NonEmptySimpleStr o Password o StrongPassword o NonEmptyStr A Str with length > 0 o LowerCaseStr A Str with length > 0 and no uppercase characters. A coercion exists via "lc" from NonEmptyStr o UpperCaseStr A Str with length > 0 and no lowercase characters. A coercion exists via "uc" from NonEmptyStr o NumericCode A Str with no new-line characters that consists of only Numeric characters. Examples include, Social Security Numbers, PINs, Postal Codes, HTTP Status Codes, etc. Supports attempting to coerce from a string that has punctuation in it ( e.g credit card number 4111-1111-1111-1111 ). SEE ALSO
o MooseX::Types::Common::Numeric AUTHORS
Please see:: MooseX::Types::Common perl v5.14.2 2012-06-14 MooseX::Types::Common::String(3pm)
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