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Full Discussion: If statement arguments
Top Forums UNIX for Beginners Questions & Answers If statement arguments Post 303040317 by Eric7giants on Saturday 26th of October 2019 12:25:03 PM
Old 10-26-2019
If statement arguments
I'm stuck on a particular problem and need some guidance. I have a file with a name and a phone number in it (teledir.txt). I need to do a $# in a separate script to take a positional parameter and check to see if it is in the file. To quote the question:



Code:
If one argument is supplied, check to see if it starts with a digit, then search for it in the teledir.txt file. If it doesn't exist, echo "Doesn't Exist".


If argument starts with a letter, search for it in the file, If it doesn't exist, echo "Name does not exist" 



If two arguments are supplied, set the search_pattern to be “name: number”¯, and search it in the file. 
  •  If it is not found, echo “Adding entry”¯, and append to the file/variable.
    • 

  •  Otherwise, echo that “Entry exists”¯
    •

I am only two weeks into learning the command line prompt. This is the code I have gotten so far but I am stuck on where to go from here. Not sure if this will even work. Any pointers please!!!


Code:
#!/bin/bash

name=$1
number=$2


if [ $# -eq 0 ]; then
        echo "Two arguments are expected in the form of ./scriptname [name number]"
fi

if [ $# -eq 2 ]; then
        grep -qiw "$name\|$number" teledir.txt
        echo "$name or $number exists"
fi

 

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LEARN ABOUT DEBIAN

srvsearch

RULI(1) 						      General Commands Manual							   RULI(1)

NAME

       srvsearch, sync_srvsearch, smtpsearch, sync_smtpsearch, httpsearch, sync_httpsearch, ruli-getaddrinfo
       - Sample programs for RULI Library (RFC 2782)

SYNOPSIS

       echo _service._protocol.nongnu.org | ruli-getaddrinfo
       echo _service._protocol.nongnu.org | srvsearch [ options ]
       echo _service._protocol.nongnu.org | sync_srvsearch [ options ]
       echo nongnu.org | smtpsearch [ options ]
       echo nongnu.org | sync_smtpsearch [ options ]
       echo nongnu.org | httpsearch [ options ]
       echo nongnu.org | sync_httpsearch [ options ]

DESCRIPTION

       This manual page documents briefly sample programs for the ruli(3) library.

       ruli is a library aimed at querying DNS SRV resource records.

OPTIONS

       For http searches, one can force the port number by specifying it as the first option.

       search Use the resolver search list defined in '/etc/resolv.conf'.

       need_ra
	      Require RA (Recursion Available) bit in the name server answer.

       noinet Don't fetch IPv4 addresses.

       noinet6
	      Don't fetch IPv6 addresses.

       uri_port
	      Assume the specified default port was forced by the user-supplied URI.

       nowalk Don't search addresses missing from the name server answer.

       nofall Don't launch fallback queries for addresses, if the SRV query fails.

       nosort6
	      Don't sort the address list to give preference to IPv6 addresses.

EXAMPLES

       echo _telnet._tcp.nongnu.org | ruli-getaddrinfo
       echo _smtp._tcp.nongnu.org | srvsearch search
       echo _smtp._tcp.nongnu.org | sync_srvsearch search noinet6
       echo nongnu.org | smtpsearch noinet
       echo nongnu.org | sync_smtpsearch nowalk nofall
       echo nongnu.org | httpsearch noinet6
       echo nongnu.org | sync_httpsearch 80

SEE ALSO

       ruli(3)

AUTHOR

       This manual page was written by Everton da Silva Marques <evertonsm@yahoo.com.br>.

								 October 08, 2004							   RULI(1)
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