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Full Discussion: How can I extract digits at the end of a string in UNIX shell scripting?
Top Forums Shell Programming and Scripting How can I extract digits at the end of a string in UNIX shell scripting? Post 303026763 by RudiC on Monday 3rd of December 2018 05:01:57 AM
Old 12-03-2018
"Enhanced" version of previous proposal:



Code:
while read FN
  do    TMP=${FN%${FN#${FN%.*}}}
        NMB=${TMP#${TMP%[^0-9]*}}
        NMB=${NMB#?}
        LEN=${#NMB}
        PRFX=${TMP%$NMB}
        printf "%s --> %s%0*d%s\n"  ${FN} ${PRFX} $LEN $((10#$NMB + 1)) ${FN#${FN%.*}}
  done < file

 

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shtool-table

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

NAME

       shtool-table - GNU shtool pretty-print a field-separated list

SYNOPSIS

       shtool table [-F|--field-sep sep] [-w|--width width] [-c|--columns cols] [-s|--strip strip] strsepstr...

DESCRIPTION

       This pretty-prints a list of strings as a table.

OPTIONS

       The following command line options are available.

       -F, --field-sep sep
	   Separate columns using sep. Default is ":".

       -w, --width width
	   Width of each column. Default is 15 characters.

       -c, --columns cols
	   Number of columns. Default is 3.

       -s, --strip strip
	   Strip off any characters past strip. Default is 79.

EXAMPLE

	#   shell script
	shtool table -F , -w 5 -c 4 "1,2,3,4,5,6,7,8,9,10,11,12"

HISTORY

       The GNU shtool table command was originally written by Ralf S.  Engelschall <rse@engelschall.com> in 1999 for GNU shtool.

SEE ALSO

       shtool(1), tr(1), fmt(1), sh(1), awk(1), sed(1).

18-Jul-2008							   shtool 2.0.8 					       SHTOOL-TABLE.TMP(1)
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