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Top Forums Shell Programming and Scripting awk or other way to find out number of occurrence of 7th character Post 302990826 by rveri on Wednesday 1st of February 2017 10:56:58 AM
Old 02-01-2017
awk or other way to find out number of occurrence of 7th character

Hi all,
I am looking for to filter out based on 7th character and list the number of occurrence based on the 7th character if p , d , o or m

1. if 7th character is p , Output should be: p_hosts = N
2. if 7th character is d , Output should be: d_hosts = N
3. if 7th character is o , Output should be: o_hosts = N
4. if 7th character is m, Output should be: m_hosts = N

Code:
prm1hcppb240
prm1hcppb220
prm1hcppb212
prm1hcppb211
prm1hcppb410
cmi1hcmpb282
cmi1hcmpb033
cmi1hcmpb230
prm1hcppb022
prm1hcpmp203
prm1hcppb303
prm1hcppb290
prm1hcppb250
prm1hcppb241
prm1hcppb352
cmi1hcopb450
cmi1hcmmp002
prm1hcpbk302
prm1hcpbk001
cmi1hcmbk203
cmi1hcpbk201
cmi1hvmmp011
cmi1hvmmp101
cmi1hvppb318
cmi1hcmpb502
brc1scpdb0112
brc1scddb0122


Desired output should be:
Code:
p_hosts = N
d_hosts = N
o_hosts = N
m_hosts = N

Thanks in advance.,

---------- Post updated at 10:56 AM ---------- Previous update was at 10:51 AM ----------

What I have tried :
Code:
substr($1,7,1)

but could not filter out..,
 

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GETS(3) 						     Library Functions Manual							   GETS(3)

NAME
gets, fgets - get a string from a stream SYNOPSIS
#include <stdio.h> char *gets(char *s) char *fgets(char *s, int n, FILE *stream) DESCRIPTION
Gets reads a string into s from the standard input stream stdin. The string is terminated by a newline character, which is replaced in s by a null character. Gets returns its argument. Fgets reads n-1 characters, or up through a newline character, whichever comes first, from the stream into the string s. The last charac- ter read into s is followed by a null character. Fgets returns its first argument. SEE ALSO
puts(3), getc(3), scanf(3), fread(3), ferror(3). DIAGNOSTICS
Gets and fgets return the constant pointer NULL upon end of file or error. BUGS
Gets deletes a newline, fgets keeps it, all in the name of backward compatibility. Gets is not present in the Minix-vmd C library for reasons that should be obvious. Use fgets instead. 7th Edition May 15, 1985 GETS(3)
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