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Full Discussion: Extracting values based on line-column numbers from multiple text files
Top Forums Shell Programming and Scripting Extracting values based on line-column numbers from multiple text files Post 302960946 by RudiC on Sunday 22nd of November 2015 12:36:27 PM
Old 11-22-2015
This one wouldn't need the file supplied on the command line but would try to find the files named in task1 or task2:
Code:
awk ' 
FNR == 1        {FC++
                 FN = FILENAME
                 if (FC < 3)    {OUT[FC] =  FN ".new"
                                 printf "%s", $0 > OUT[FC]
                                 next
                                }
                 printf "\n%s", LIN[FN,1] > OUT[1]
                 printf "\n%s", LIN[FN,2] > OUT[2]
                }
FC < 3          {LIN[$1,FC]   = $0
                 BEG[$1,FC]   = $2
                 STP[$1,FC]   = $3
                 for (i=0; i<=ARGC && $1 != ARGV[i]; i++);
                 if  ((i > ARGC) && (1 == (getline X < $1))) ARGV[ARGC++] = $1
                 close ($1)
                 next
                }

FNR == BEG[FN,1]        {printf "\t%s", $STP[FN,1] > OUT[1]
                        }

FNR == BEG[FN,2]        {L = 1
                        }
L                       {printf "\t%s", $2 > OUT[2]
                        }
FNR == STP[FN,2]        {L = 0
                        }

END                     {printf "\n" > OUT[1]
                         printf "\n" > OUT[2]
                        }
'  task[12]

This User Gave Thanks to RudiC For This Post:
Bastami
 

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LEARN ABOUT PLAN9

pr

PR(1)							      General Commands Manual							     PR(1)

NAME

       pr - print file

SYNOPSIS

       pr [ option ...	] [ file ...  ]

DESCRIPTION

       Pr  produces  a printed listing of one or more files on its standard output.  The output is separated into pages headed by a date, the name
       of the file or a specified header, and the page number.	With no file arguments, pr prints its standard input.

       Options apply to all following files but may be reset between files:

       -n     Produce n-column output.

       +n     Begin printing with page n.

       -b     Balance columns on last page, in case of multi-column output.

       -d     Double space.

       -en    Set the tab stops for input text every n spaces.

       -h     Take the next argument as a page header (file by default).

       -in    Replace sequences of blanks in the output by tabs, using tab stops set every n spaces.

       -f     Use formfeeds to separate pages.

       -ln    Take the length of the page to be n lines instead of the default 66.

       -m     Print all files simultaneously, each in one column.

       -n     Number the lines of each file.

       -on    Offset the left margin n character positions.

       -sc    Separate columns by the single character c instead of aligning them with white space.  A missing c is taken to be a tab.

       -t     Do not print the 5-line header or the 5-line trailer normally supplied for each page.

       -wn    For multi-column output, take the width of the page to be n characters instead of the default 72.

SOURCE

       /sys/src/cmd/pr.c

SEE ALSO

       cat(1), lp(1)

																	     PR(1)
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