Top Forums Shell Programming and Scripting Compare two folders and file content Post 302921175 by rohit_shinez on Wednesday 15th of October 2014 01:26:09 PM
Compare two folders and file content


I am having two folders where i need to compare the content of files and also to know if any new files been added and redirect the difference output in respective filename logs. For e.g.:

Directory D1:

Directory D2:

i Need to compare the directories D1 and D2 and write it respective file log of there are any difference and if any additional file added write in another log file

Output content in the log file
f1.log - There is a difference in the f1 and f2, please find the below difference:
f2.log - No difference found
f3.log - No difference found
Additional.log - There is additional file in D2 with filename as f4

I tried using below code:

diff -arq D1 D2

Test Your Knowledge in Computers #411
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Aside from its AT&T UNIX base, XENIX incorporated elements from BSD, notably the vi text editor and its supporting libraries (termcap and curses).
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ppmtosixel(1)						      General Commands Manual						     ppmtosixel(1)

ppmtosixel - convert a portable pixmap into DEC sixel format SYNOPSIS
ppmtosixel [-raw] [-margin] [ppmfile] DESCRIPTION
Reads a portable pixmap as input. Produces sixel commands (SIX) as output. The output is formatted for color printing, e.g. for a DEC LJ250 color inkjet printer. If RGB values from the PPM file do not have maxval=100, the RGB values are rescaled. A printer control header and a color assignment table begin the SIX file. Image data is written in a compressed format by default. A printer control footer ends the image file. OPTIONS
-raw If specified, each pixel will be explicitly described in the image file. If -raw is not specified, output will default to com- pressed format in which identical adjacent pixels are replaced by "repeat pixel" commands. A raw file is often an order of magni- tude larger than a compressed file and prints much slower. -margin If -margin is not specified, the image will be start at the left margin (of the window, paper, or whatever). If -margin is speci- fied, a 1.5 inch left margin will offset the image. PRINTING
Generally, sixel files must reach the printer unfiltered. Use the lpr -x option or cat filename > /dev/tty0?. BUGS
Upon rescaling, truncation of the least significant bits of RGB values may result in poor color conversion. If the original PPM maxval was greater than 100, rescaling also reduces the image depth. While the actual RGB values from the ppm file are more or less retained, the color palette of the LJ250 may not match the colors on your screen. This seems to be a printer limitation. SEE ALSO
ppm(5) AUTHOR
Copyright (C) 1991 by Rick Vinci. 26 April 1991 ppmtosixel(1)

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