Date: Thu, 16 Aug 2012 03:09:19 +0000 From: jhagewood@FreeBSD.org To: svn-soc-all@FreeBSD.org Subject: socsvn commit: r240422 - in soc2012/jhagewood: diff sdiff Message-ID: <20120816030919.07063106564A@hub.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: jhagewood Date: Thu Aug 16 03:09:18 2012 New Revision: 240422 URL: http://svnweb.FreeBSD.org/socsvn/?view=rev&rev=240422 Log: Modified: soc2012/jhagewood/diff/zdiff.1 soc2012/jhagewood/sdiff/zsdiff.1 Modified: soc2012/jhagewood/diff/zdiff.1 ============================================================================== --- soc2012/jhagewood/diff/zdiff.1 Thu Aug 16 02:35:44 2012 (r240421) +++ soc2012/jhagewood/diff/zdiff.1 Thu Aug 16 03:09:18 2012 (r240422) @@ -0,0 +1,511 @@ +.\" $FreeBSD$ +.\" $OpenBSD: diff.1,v 1.33 2007/05/31 19:20:09 jmc Exp $ +.\" +.\" Copyright (c) 1980, 1990, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)diff.1 8.1 (Berkeley) 6/30/93 +.\" +.Dd Apr 7, 2008 +.Dt DIFF 1 +.Os +.Sh NAME +.Nm diff +.Nd differential file and directory comparator +.Sh SYNOPSIS +.Nm diff +.Op Fl abdilpqTtw +.Op Fl I Ar pattern +.Oo +.Fl c | e | f | +.Fl n | u +.Oc +.Op Fl L Ar label +.Ar file1 file2 +.Nm diff +.Op Fl abdilpqTtw +.Op Fl I Ar pattern +.Op Fl L Ar label +.Fl C Op Ar number +.Ar file1 file2 +.Nm diff +.Op Fl abdilqtw +.Op Fl I Ar pattern +.Fl D Ar string +.Ar file1 file2 +.Nm diff +.Op Fl abdilpqTtw +.Op Fl I Ar pattern +.Op Fl L Ar label +.Fl U Ar number +.Ar file1 file2 +.Nm diff +.Op Fl abdilNPpqrsTtw +.Op Fl I Ar pattern +.Oo +.Fl c | e | f | +.Fl n | u +.Oc +.Bk -words +.Op Fl L Ar label +.Op Fl S Ar name +.Op Fl X Ar file +.Op Fl x Ar pattern +.Ek +.Ar dir1 dir2 +.Nm diff +.Op Fl v +.Sh DESCRIPTION +The +.Nm +utility compares the contents of +.Ar file1 +and +.Ar file2 +and writes to the standard output the list of changes necessary to +convert one file into the other. +No output is produced if the files are identical. +.Pp +Output options (mutually exclusive): +.Bl -tag -width Ds +.It Fl C Op Ar number , Fl Fl context Ns = Ns Op Ar number +Like +.Fl c +but produces a diff with +.Ar number +lines of context. +.It Fl c +Produces a diff with 3 lines of context. +With +.Fl c +the output format is modified slightly: +the output begins with identification of the files involved and +their creation dates and then each change is separated +by a line with fifteen +.Li * Ns 's . +The lines removed from +.Ar file1 +are marked with +.Sq \&-\ \& ; +those added to +.Ar file2 +are marked +.Sq \+\ \& . +Lines which are changed from one file to the other are marked in +both files with +.Sq !\ \& . +Changes which lie within 3 lines of each other are grouped together on +output. +.It Fl D Ar string , Fl Fl ifdef Ns = Ns Ar string +Creates a merged version of +.Ar file1 +and +.Ar file2 +on the standard output, with C preprocessor controls included so that +a compilation of the result without defining +.Ar string +is equivalent to compiling +.Ar file1 , +while defining +.Ar string +will yield +.Ar file2 . +.It Fl e , Fl Fl ed +Produces output in a form suitable as input for the editor utility, +.Xr ed 1 , +which can then be used to convert file1 into file2. +.Pp +Extra commands are added to the output when comparing directories with +.Fl e , +so that the result is a +.Xr sh 1 +script for converting text files which are common to the two directories +from their state in +.Ar dir1 +to their state in +.Ar dir2 . +.It Fl f +Identical output to that of the +.Fl e +flag, but in reverse order. +It cannot be digested by +.Xr ed 1 . +.It Fl n , Fl Fl rcs +Produces a script similar to that of +.Fl e , +but in the opposite order and with a count of changed lines on each +insert or delete command. +This is the form used by +.Xr rcsdiff 1 . +.It Fl q , Fl Fl brief +Just print a line when the files differ. +Does not output a list of changes. +.It Fl U Op Ar number , Fl Fl unified Ns = Ns Op Ar number +Like +.Fl u +but produces a diff with +.Ar number +lines of context. +.It Fl u +Produces a +.Em unified +diff with 3 lines of context. +A unified diff is similar to the context diff produced by the +.Fl c +option. +However, unlike with +.Fl c , +all lines to be changed (added and/or removed) are present in +a single section. +.El +.Pp +Comparison options: +.Bl -tag -width Ds +.It Fl a , Fl Fl text +Treat all files as +.Tn ASCII +text. +Normally +.Nm +will simply print +.Dq Binary files ... differ +if files contain binary characters. +Use of this option forces +.Nm +to produce a diff. +.It Fl b , Fl Fl ignore-space-change +Causes trailing blanks (spaces and tabs) to be ignored, and other +strings of blanks to compare equal. +.It Fl d , Fl Fl minimal +Try very hard to produce a diff as small as possible. +This may consume a lot of processing power and memory when processing +large files with many changes. +.It Fl I Ar pattern , Fl Fl ignore-matching-lines Ns = Ns Ar pattern +Ignores changes, insertions, and deletions whose lines match the +extended regular expression +.Ar pattern . +Multiple +.Fl I +patterns may be specified. +All lines in the change must match some pattern for the change to be +ignored. +See +.Xr re_format 7 +for more information on regular expression patterns. +.It Fl i , Fl Fl ignore-case +Ignores the case of letters. +E.g., +.Dq A +will compare equal to +.Dq a . +.It Fl L Ar label +Print +.Ar label +instead of the first (and second, if this option is specified twice) +file name and time in the context or unified diff header. +.It Fl l , Fl Fl paginate +Long output format; each text file +.Nm diff Ns \'d +is piped through +.Xr pr 1 +to paginate it; +other differences are remembered and summarized +after all text file differences are reported. +.It Fl p , Fl Fl show-c-function +With unified and context diffs, show with each change +the first 40 characters of the last line before the context beginning +with a letter, an underscore or a dollar sign. +For C source code following standard layout conventions, this will +show the prototype of the function the change applies to. +.It Fl T , Fl Fl initial-tab +Print a tab rather than a space before the rest of the line for the +normal, context or unified output formats. +This makes the alignment of tabs in the line consistent. +.It Fl t , Fl Fl expand-tabs +Will expand tabs in output lines. +Normal or +.Fl c +output adds character(s) to the front of each line which may screw up +the indentation of the original source lines and make the output listing +difficult to interpret. +This option will preserve the original source's indentation. +.It Fl w , Fl Fl ignore-all-space +Is similar to +.Fl b +but causes whitespace (blanks and tabs) to be totally ignored. +E.g., +.Dq if (\ \&a == b \&) +will compare equal to +.Dq if(a==b) . +.El +.Pp +Directory comparison options: +.Bl -tag -width Ds +.It Fl N , Fl Fl new-file +If a file is found in only one directory, act as if it was found in the +other directory too but was of zero size. +.It Fl P +If a file is found only in +.Ar dir2 , +act as if it was found in +.Ar dir1 +too but was of zero size. +.It Fl r , Fl Fl recursive +Causes application of +.Nm +recursively to common sub7 directories encountered. +.It Fl S Ar name , Fl starting-file Ns = Ns Ar name +Re-starts a directory +.Nm +in the middle, beginning with file +.Ar name . +.It Fl s , Fl Fl report-identical-files +Causes +.Nm +to report files which are the same, which are otherwise not mentioned. +.It Fl X Ar file , Fl Fl exclude-from Ns = Ns Ar file +Exclude files and subdirectories from comparison whose basenames match +lines in +.Ar file . +Multiple +.Fl X +options may be specified. +.It Fl x Ar pattern , Fl Fl exclude Ns = Ns Ar pattern +Exclude files and subdirectories from comparison whose basenames match +.Ar pattern . +Patterns are matched using shell-style globbing via +.Xr fnmatch 3 . +Multiple +.Fl x +options may be specified. +.It Fl v , Fl Fl version +Print version ino. +.El +.Pp +If both arguments are directories, +.Nm +sorts the contents of the directories by name, and then runs the +regular file +.Nm +algorithm, producing a change list, +on text files which are different. +Binary files which differ, +common subdirectories, and files which appear in only one directory +are described as such. +In directory mode only regular files and directories are compared. +If a non-regular file such as a device special file or +.Tn FIFO +is encountered, a diagnostic message is printed. +.Pp +If only one of +.Ar file1 +and +.Ar file2 +is a directory, +.Nm +is applied to the non-directory file and the file contained in +the directory file with a filename that is the same as the +last component of the non-directory file. +.Pp +If either +.Ar file1 +or +.Ar file2 +is +.Sq Fl , +the standard input is +used in its place. +.Ss Output Style +The default (without +.Fl e , +.Fl c , +or +.Fl n +.\" -C +options) +output contains lines of these forms, where +.Va XX , YY , ZZ , QQ +are line numbers respective of file order. +.Pp +.Bl -tag -width "XX,YYcZZ,QQ" -compact +.It Li XX Ns Ic a Ns Li YY +At (the end of) line +.Va XX +of +.Ar file1 , +append the contents +of line +.Va YY +of +.Ar file2 +to make them equal. +.It Li XX Ns Ic a Ns Li YY,ZZ +Same as above, but append the range of lines, +.Va YY +through +.Va ZZ +of +.Ar file2 +to line +.Va XX +of file1. +.It Li XX Ns Ic d Ns Li YY +At line +.Va XX +delete +the line. +The value +.Va YY +tells to which line the change would bring +.Ar file1 +in line with +.Ar file1 . +.It Li XX,YY Ns Ic d Ns Li ZZ +Delete the range of lines +.Va XX +through +.Va YY +in +.Ar file1 . +.It Li XX Ns Ic c Ns Li YY +Change the line +.Va XX +in +.Ar file1 +to the line +.Va YY +in +.Ar file2 . +.It Li XX,YY Ns Ic c Ns Li ZZ +Replace the range of specified lines with the line +.Va ZZ . +.It Li XX,YY Ns Ic c Ns Li ZZ,QQ +Replace the range +.Va XX , Ns Va YY +from +.Ar file1 +with the range +.Va ZZ , Ns Va QQ +from +.Ar file2 . +.El +.Pp +These lines resemble +.Xr ed 1 +subcommands to convert +.Ar file1 +into +.Ar file2 . +The line numbers before the action letters pertain to +.Ar file1 ; +those after pertain to +.Ar file2 . +Thus, by exchanging +.Ic a +for +.Ic d +and reading the line in reverse order, one can also +determine how to convert +.Ar file2 +into +.Ar file1 . +As in +.Xr ed 1 , +identical +pairs (where num1 = num2) are abbreviated as a single +number. +.Sh ENVIRONMENT +.Bl -tag -width TMPDIR +.It Ev TMPDIR +If the environment variable +.Ev TMPDIR +exists, +.Nm +will use the directory specified by +.Ev TMPDIR +as the temporary directory. +.El +.Sh FILES +.Bl -tag -width /tmp/diff.XXXXXXXX -compact +.It Pa /tmp/diff. Ns Ar XXXXXXXX +Temporary file used when comparing a device or the standard input. +Note that the temporary file is unlinked as soon as it is created +so it will not show up in a directory listing. +.El +.Sh DIAGNOSTICS +The +.Nm +utility exits with one of the following values: +.Pp +.Bl -tag -width Ds -compact -offset indent +.It 0 +No differences were found. +.It 1 +Differences were found. +.It \*(Gt1 +An error occurred. +.El +.Sh SEE ALSO +.Xr cmp 1 , +.Xr comm 1 , +.Xr diff3 1 , +.Xr ed 1 , +.Xr pr 1 , +.Xr sdiff 1 , +.Xr fnmatch 3 , +.Xr re_format 7 +.Sh STANDARDS +The +.Nm +utility is compliant with the +St -p1003.1-2004 +specification. +.Pp +The flags +.Op Fl aDdIiLlNnPpqSsTtUuwXx +are extensions to that specification. +.Sh HISTORY +A +.Nm +command appeared in +.At v6 . +.Sh BUGS +When comparing directories with the +.Fl b , +.Fl w +or +.Fl i +options specified, +.Nm +first compares the files ala +.Xr cmp 1 , +and then decides to run the +.Nm +algorithm if they are not equal. +This may cause a small amount of spurious output if the files +then turn out to be identical because the only differences are +insignificant whitespace or case differences. Modified: soc2012/jhagewood/sdiff/zsdiff.1 ============================================================================== --- soc2012/jhagewood/sdiff/zsdiff.1 Thu Aug 16 02:35:44 2012 (r240421) +++ soc2012/jhagewood/sdiff/zsdiff.1 Thu Aug 16 03:09:18 2012 (r240422) @@ -0,0 +1,174 @@ +.\" $FreeBSD$ +.\" $OpenBSD: sdiff.1,v 1.15 2007/06/29 14:48:07 jmc Exp $ +.\" +.\" Written by Raymond Lai <ray@cyth.net>. +.\" Public domain. +.\" +.Dd $Mdocdate: July 5 2012 $ +.Dt SDIFF 1 +.Os +.Sh NAME +.Nm sdiff +.Nd side-by-side diff +.Sh SYNOPSIS +.Nm +.Op Fl abdilstW +.Op Fl I Ar regexp +.Op Fl o Ar outfile +.Op Fl w Ar width +.Ar file1 +.Ar file2 +.Sh DESCRIPTION +.Nm +displays two files side by side, +with any differences between the two highlighted as follows: +new lines are marked with +.Sq \*(Gt ; +deleted lines are marked with +.Sq \*(Lt ; +and changed lines are marked with +.Sq \*(Ba . +.Pp +.Nm +can also be used to interactively merge two files, +prompting at each set of differences. +See the +.Fl o +option for an explanation. +.Pp +The options are: +.Bl -tag -width Ds +.It Fl l -left-column +Only print the left column for identical lines. +.It Fl o -output Ar outfile +Interactively merge +.Ar file1 +and +.Ar file2 +into +.Ar outfile . +In this mode, the user is prompted for each set of differences. +See +.Ev EDITOR +and +.Ev VISUAL , +below, +for details of which editor, if any, is invoked. +.Pp +The commands are as follows: +.Bl -tag -width Ds +.It Cm l | 1 +Choose left set of diffs. +.It Cm r | 2 +Choose right set of diffs. +.It Cm s +Silent mode \(en identical lines are not printed. +.It Cm v +Verbose mode \(en identical lines are printed. +.It Cm e +Start editing an empty file, which will be merged into +.Ar outfile +upon exiting the editor. +.It Cm e Cm l +Start editing file with left set of diffs. +.It Cm e Cm r +Start editing file with right set of diffs. +.It Cm e Cm b +Start editing file with both sets of diffs. +.It Cm q +Quit +.Nm . +.El +.It Fl s -suppress-common-lines +Skip identical lines. +.It Fl w -width Ar width +Print a maximum of +.Ar width +characters on each line. +The default is 130 characters. +.El +.Pp +Options passed to +.Xr diff 1 +are: +.Bl -tag -width Ds +.It Fl a -text +Treat +.Ar file1 +and +.Ar file2 +as text files. +.It Fl b -ignore-space-change +Ignore trailing blank spaces. +.It Fl d -minimal +Minimize diff size. +.It Fl I -ignore-matching-lines Ar regexp +Ignore line changes matching +.Ar regexp . +All lines in the change must match +.Ar regexp +for the change to be ignored. +.It Fl i -ignore-case +Do a case-insensitive comparison. +.It Fl t -expand-tabs +Expand tabs to spaces. +.It Fl W -ignore-all-space +Ignore all spaces. +.It Fl B -ignore-blank-lines +Ignore blank lines. +.It Fl E -ignore-tab-expansion +Treat tabs and eight spaces as the same. +.It Fl t -ignore-tabs +Ignore tabs. +.It Fl H -speed-large-files +Assume scattered small changes in a large file. +.It Fl -ignore-file-name-case +Ignore the case of file names. +.It Fl -no-ignore-file-name-case +Do not ignore file name case. +.It Fl -strip-trailing-cr +Skip identical lines. +.It Fl -tabsize Ar NUM +Change the size of tabs (default is 8.) +.El +.Sh ENVIRONMENT +.Bl -tag -width Ds +.It Ev EDITOR , VISUAL +Specifies an editor to use with the +.Fl o +option. +If both +.Ev EDITOR +and +.Ev VISUAL +are set, +.Ev VISUAL +takes precedence. +If neither +.Ev EDITOR +nor +.Ev VISUAL +are set, +the default is +.Xr vi 1 . +.It Ev TMPDIR +Specifies a directory for temporary files to be created. +The default is +.Pa /tmp . +.El +.Sh SEE ALSO +.Xr cmp 1 , +.Xr diff 1 , +.Xr diff3 1 , +.Xr vi 1 , +.Xr re_format 7 +.Sh AUTHORS +.Nm +was written from scratch for the public domain by +.An Ray Lai Aq ray@cyth.net . +.Sh CAVEATS +.Pp +Tabs are treated as anywhere from one to eight characters wide, +depending on the current column. +Terminals that treat tabs as eight characters wide will look best. +
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20120816030919.07063106564A>