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Top Forums Shell Programming and Scripting awk or other way to find out number of occurrence of 7th character Post 302990858 by RudiC on Wednesday 1st of February 2017 04:57:50 PM
Old 02-01-2017
Similar to what has been posted so far but allowing to count occurrences of undesired characters:
Code:
awk '
        {TMP = substr ($0, 7, 1)
         if (TMP ~ "[" SRCH "]") C[TMP"_hosts"]++
         else                    C["None   "]++
        }
END     {for (c in C) print c, "=", C[c]
        }
' SRCH="pdo" file

d_hosts = 1
None    = 8
p_hosts = 17
o_hosts = 1


Last edited by RudiC; 02-03-2017 at 05:02 PM..
 

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SHTOOL-MOVE.TMP(1)					      GNU Portable Shell Tool						SHTOOL-MOVE.TMP(1)

NAME
shtool-move - GNU shtool enhanced mv(1) replacement SYNOPSIS
shtool move [-v|--verbose] [-t|--trace] [-e|--expand] [-p|--preserve] src-file dst-file DESCRIPTION
This is a mv(1) style command enhanced with the ability to rename multiple files in a single operation and the ability to detect and not touch existing equal destinations files, thus preserving timestamps. OPTIONS
The following command line options are available. -v, --verbose Display some processing information. -t, --trace Enable the output of the essential shell commands which are executed. -e, --expand Expand asterisk in src to be used as ""%"n" (where n is 1,2,...) in dst-file. This is useful for renaming multiple files at once. -p, --preserve Detect src-file and dst-file having equal content and not touch existing destination files, thus perserving timestamps. This is useful for applications that monitor timestamps, i.e. suppress make(1L) repeating actions for unchanged files. EXAMPLE
# shell script shtool move -v -e '*.txt' %1.asc # Makefile scanner.c: scanner.l lex scanner.l shtool move -t -p lex.yy.c scanner.c HISTORY
The GNU shtool move command was originally written by Ralf S. Engelschall <rse@engelschall.com> in 1999 for GNU shtool. SEE ALSO
shtool(1), mv(1), make(1). 18-Jul-2008 shtool 2.0.8 SHTOOL-MOVE.TMP(1)
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