Noob question: How to check the total number of inputs entered by user? Post: 303042043

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Bash : how do i check the user input and make sure is only chracter or only number ?

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only a number can be entered no letters?

ok the user can only enter a number if a letter is entered it shouldnt be accepted This is what i have so far read -p "How many cars to enter:" cars until do read -p "Invalid number. Please re-enter:" $tags done

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Help with sum total number of record and total number of record problem asking

Input file SFSQW 5192.56 HNRNPK 611.486 QEQW 1202.15 ASDR 568.627 QWET 6382.11 SFSQW 4386.3 HNRNPK 100 SFSQW 500 Desired output file SFSQW 10078.86 3 QWET 6382.11 1 QEQW 1202.15 1 HNRNPK 711.49 2 ASDR 568.63 1 The way I tried:

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How to check user entered correct file format or not?

Hi Experts, path=/db/files/ format=$1 User can enter any file format.compare the user file format with actual file format existed in the directory /db/files. User enter all characters as "A" apart from date format. example1: user will be entering the file format AAA_AA_YYYYMMDD.AAA Actual...

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Total Noob BASH scripting question

Hello All, I have a file of ip addresses called activeips.txt What I'm trying to do is run a simple bash script that has a loop in it. The loop is a cat of the IP addresses in the file. The goal is to run 2 nmap commands to give me outputs where each address in the list has an OS...

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mtbl_info

MTBL_INFO(1)															      MTBL_INFO(1)

NAME

       mtbl_info - display information about an MTBL file

SYNOPSIS

       mtbl_info FILE [FILE]...

DESCRIPTION

       mtbl_info(1) displays the following information about the MTBL files specified on the command line.

       file name -- the name of the MTBL file.

       file size -- the total size of the MTBL file, in bytes.

       index bytes -- the total number of bytes and proportion of the total file size consumed by the index.

       data block bytes -- the total number of bytes and proportion of the total file size consumed by data blocks.

       data block size -- the maximum size of an uncompressed data block.

       data block count -- the total number of data blocks.

       entry count -- the total number of key-value entries.

       key bytes -- the total number of bytes that all keys in the file would occupy if stored end-to-end in a byte array with no delimiters.

       value bytes -- the total number of bytes that all values in the file would occupy if stored end-to-end in a byte array with no delimiters.

       compression algorithm -- the algorithm used to compress data blocks. Possible values are "none", "snappy" and "zlib".

       compactness -- a rough metric comparing the total number of bytes in the key-value entries with the total size of the MTBL file. It is
       calculated as (file size) / (key bytes + value bytes), and thus takes into account the gains of data block compression and prefix key
       compression against the overhead of the index, trailer, and data block offset arrays.

								    05/29/2012							      MTBL_INFO(1)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Bash : how do i check the user input and make sure is only chracter or only number ?

Discussion started by: CheeSen

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validating user entered date

Discussion started by: KiranKumarKarre

3. High Performance Computing

PBS - restrict total number of processors per user

Discussion started by: gnuplot

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Total noob script

Discussion started by: MatsO