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Shell Programming and Scripting
Query for replacing a string and keeping the non-replaced content
Post 302466125 by rahulfhp on Monday 25th of October 2010 02:17:12 PM
10-25-2010
Query for replacing a string and keeping the non-replaced content
Hi experts,
As i am a novice unix player...so need help for the below query...banged my head from quite a while...
i have a set of html files, in which i need to search for string "Page"(case sensitive) and then replace the same with some numeric code ,say, "XXX1234".
Here in html files, there are some other similar strings like totalPage,currentPage,etc ....
i have tried using grap and using sed command, but problem here using grap is that it will return single line containing "Page" and then i can use sed to replace that word, but along with that i need non-replaced content as it is, and final output should be html file with only desired pattern replaced.
Was thinking , if any solution is there other than formal looping constructs.
would be a great help.....
As i am a novice unix player...so need help for the below query...banged my head from quite a while...
i have a set of html files, in which i need to search for string "Page"(case sensitive) and then replace the same with some numeric code ,say, "XXX1234".
Here in html files, there are some other similar strings like totalPage,currentPage,etc ....
i have tried using grap and using sed command, but problem here using grap is that it will return single line containing "Page" and then i can use sed to replace that word, but along with that i need non-replaced content as it is, and final output should be html file with only desired pattern replaced.
Was thinking , if any solution is there other than formal looping constructs.
would be a great help.....
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LEARN ABOUT LINUX
grap2graph
GRAP2GRAPH(1) General Commands Manual GRAP2GRAPH(1) NAME
grap2graph - convert a grap diagram into a cropped bitmap image SYNOPSIS
grap2graph [ -unsafe ] [ -resolution M|MxN ] [ -format fmt ] DESCRIPTION
Reads a grap program as input; produces an image file (by default in Portable Network Graphics format) suitable for the Web as output. For a description of the grap language, see grap(1). Your graph specification should not be wrapped with the .G1 and .G2 macros that normally guard it within groff(1) macros. The output image will be a black-on-white graphic clipped to the smallest possible bounding box that contains all the black pixels. By specifying command-line options to be passed to convert(1) you can give it a border, set the background transparent, set the image's pixel density, or perform other useful transformations. This program uses grap(1), pic(1), groff(1), and the ImageMagick convert(1) program. These programs must be installed on your system and accessible on your $PATH for grap2graph to work. OPTIONS
-unsafe Run pic(1) and groff(1) in the `unsafe' mode enabling the PIC macro sh to execute arbitrary commands. The default is to forbid this. -format fmt Specify an output format; the default is PNG (Portable Network Graphics). Any format that convert(1) can emit is supported. Command-line switches and arguments not listed above are passed to convert(1). ENVIRONMENT
GROFF_TMPDIR The directory in which temporary files will be created. If this is not set grap2graph searches the environment variables TMPDIR, TMP, and TEMP (in that order). Otherwise, temporary files will be created in /tmp. SEE ALSO
pic2graph(1), eqn2graph(1), pic(1), groff(1), gs(1), convert(1). AUTHOR
Eric S. Raymond <esr@thyrsus.com> Groff Version 1.21 31 December 2010 GRAP2GRAPH(1)