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Top Forums UNIX for Dummies Questions & Answers Replace Special characters in a file Post 302079813 by solai on Thursday 13th of July 2006 05:51:26 AM
Old 07-13-2006
Replace Special characters in a file

Hi,

I have a data like this in a file,

402003279034002000100147626030003300010000000000002000029000000 ær^M^\MÍW^H

I need to replace those special char to some other char like # or $

Is there any ways to do it...

I tried commands tr,sed and many but it was not able to replace because of the special characters and ^M type of characters

I need it to be replaced and also the number of bytes of the file should not be altered.

There are lots of similar data in this file... I have to replace all the occurrence of the special characters. I know the start-byte and end-byte of the same
 

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curl_global_init_mem(3) 					  libcurl Manual					   curl_global_init_mem(3)

NAME
curl_global_init_mem - Global libcurl initialisation with memory callbacks SYNOPSIS
#include <curl/curl.h> CURLcode curl_global_init_mem(long flags, curl_malloc_callback m, curl_free_callback f, curl_realloc_callback r, curl_strdup_callback s, curl_calloc_callback c ); DESCRIPTION
This function works exactly as curl_global_init(3) with one addition: it allows the application to set callbacks to replace the otherwise used internal memory functions. This man page only adds documentation for the callbacks, see the curl_global_init(3) man page for all the rest. When you use this function, all callback arguments must be set to valid function pointers. The prototypes for the given callbacks should match these: void *malloc_callback(size_t size); To replace malloc() void free_callback(void *ptr); To replace free() void *realloc_callback(void *ptr, size_t size); To replace realloc() char *strdup_callback(const char *str); To replace strdup() void *calloc_callback(size_t nmemb, size_t size); To replace calloc() CAUTION
Manipulating these gives considerable powers to the application to severly screw things up for libcurl. Take care! SEE ALSO
curl_global_init(3), curl_global_cleanup(3), libcurl 7.12.0 10 May 2004 curl_global_init_mem(3)
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