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Top Forums Shell Programming and Scripting Script to compare lines in a file Post 302914428 by Don Cragun on Monday 25th of August 2014 10:39:33 PM
Old 08-25-2014
Is this a homework assignment?

You said you wanted to print lines if B and C were the same. But you don't want to print:
Code:
2014-08-25 04:45:56.673|T1|JO|Begin|10
          and
2014-08-25 04:55:56.673|T1|JO|Begin|11

where T1 and JO match in both lines. Instead you want to combine and print:
Code:
2014-08-25 04:55:56.673|T1|JO|Begin|11
          and
2014-08-25 05:14:04.565|T1|JOR|End

where T1 matches, but JO does not match JOR.

Your sample seems to show that you're looking for lines with identical values in field 2 and a line where one field 4 starts with Begin and another line where field 4 starts with End. Does field 3 really matter? If so, how do we know in the general case whether values in field 3 match?

What OS and shell are you using?
 

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GROFF_ME(7)						 Miscellaneous Information Manual					       GROFF_ME(7)

NAME
groff_me - troff macros for formatting papers SYNOPSIS
groff -me [ options ] file ... groff -m me [ options ] file ... DESCRIPTION
This manual page describes the GNU version of the -me macros, which is part of the groff document formatting system. This version can be used with both GNU troff and Unix troff. This package of troff macro definitions provides a canned formatting facility for technical papers in various formats. The macro requests are defined below. Many troff requests are unsafe in conjunction with this package, however, these requests may be used with impunity after the first .pp: .bp begin new page .br break output line here .sp n insert n spacing lines .ls n (line spacing) n=1 single, n=2 double space .na no alignment of right margin .ce n center next n lines .ul n underline next n lines Output of the pic, eqn, refer, and tbl preprocessors is acceptable as input. FILES
/usr/share/tmac/me.tmac (a wrapper file for e.tmac) /usr/share/tmac/e.tmac SEE ALSO
groff(1), troff(1) -me Reference Manual, Eric P. Allman Writing Papers with Groff Using -me REQUESTS
This list is incomplete; see The -me Reference Manual for interesting details. Request Initial Cause Explanation Value Break .(c - yes Begin centered block .(d - no Begin delayed text .(f - no Begin footnote .(l - yes Begin list .(q - yes Begin major quote .(x x - no Begin indexed item in index x .(z - no Begin floating keep .)c - yes End centered block .)d - yes End delayed text .)f - yes End footnote .)l - yes End list .)q - yes End major quote .)x - yes End index item .)z - yes End floating keep .++ m H - no Define paper section. m defines the part of the paper, and can be C (chapter), A (appendix), P (preliminary, e.g., abstract, table of contents, etc.), B (bibliography), RC (chapters renumbered from page one each chapter), or RA (ap- pendix renumbered from page one). .+c T - yes Begin chapter (or appendix, etc., as set by .++). T is the chapter title. .1c 1 yes One column format on a new page. .2c 1 yes Two column format. .EN - yes Space after equation produced by eqn or neqn. .EQ x y - yes Precede equation; break out and add space. Equation number is y. The optional argument x may be I to indent equation (default), L to left-adjust the equation, or C to center the equation. .GE - yes End gremlin picture. .GS - yes Begin gremlin picture. .PE - yes End pic picture. .PS - yes Begin pic picture. .TE - yes End table. .TH - yes End heading section of table. .TS x - yes Begin table; if x is H table has repeated heading. .b x no no Print x in boldface; if no argument switch to boldface. .ba +n 0 yes Augments the base indent by n. This indent is used to set the indent on regular text (like paragraphs). .bc no yes Begin new column .bi x no no Print x in bold italics (nofill only) .bu - yes Begin bulleted paragraph .bx x no no Print x in a box (nofill only). .ef 'x'y'z' '''' no Set even footer to x y z .eh 'x'y'z' '''' no Set even header to x y z .fo 'x'y'z' '''' no Set footer to x y z .hx - no Suppress headers and footers on next page. .he 'x'y'z' '''' no Set header to x y z .hl - yes Draw a horizontal line .i x no no Italicize x; if x missing, italic text follows. .ip x y no yes Start indented paragraph, with hanging tag x. Indentation is y ens (default 5). .lp yes yes Start left-blocked paragraph. .np 1 yes Start numbered paragraph. .of 'x'y'z' '''' no Set odd footer to x y z .oh 'x'y'z' '''' no Set odd header to x y z .pd - yes Print delayed text. .pp no yes Begin paragraph. First line indented. .r yes no Roman text follows. .re - no Reset tabs to default values. .sh n x - yes Section head follows, font automatically bold. n is level of section, x is title of section. .sk no no Leave the next page blank. Only one page is remembered ahead. .sm x - no Set x in a smaller pointsize. .sz +n 10p no Augment the point size by n points. .tp no yes Begin title page. .u x - no Underline argument (even in troff). (Nofill only). .uh - yes Like .sh but unnumbered. .xp x - no Print index x. 3rd Berkeley Distribution 23 March 2013 GROFF_ME(7)
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