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Asked: 2026-06-04T18:38:07+00:00

Here I have one file testdec.txt . In this File Contents are like below.

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Here I have one file testdec.txt.
In this File Contents are like below.

N = 162,27,79,83,101,69,213,78,188,215,254,75,222,74,204,124,53,108,240,157,213,109,189,143,226,71,120,134,57,27,64,230,126,218,4,249,150,44,182,223,70,241,96,113,61,115,54,13,209,53,236,157,164,126,202,150,121,13,180,223,50,84,239,39,188,44,119,71,50,220,196,107,218,66,106,24,203,13,150,135,231,65,240,236,32,226,166,2,243,26,236,253,185,88,196,58,255,146,93,202,57,219,57,160,62,160,225,167,0,209,231,110,156,106,8,119,47,255,46,87,76,10,243,99,48,147,47,197
E = 1,0,1

Here I want to convert N and E value in hex format and wants to write each decimal value in two bytes of hex value with out comma separator. I want to write this hex value in another testhex.txt file.

If decimal value will be only one byte of hex than I have to add 0 also in front of that hex value.
You can see in this thing in E‘s value.`

And I want to do these all things in other file or same file. May be in another file is possible. we can not do in same file.

I want another testhex.txt file output file like 

N = A21B4F536545D54EBCD7FE4BDE4ACC7C356CF09DD56DBD8FE2477886391B40E67EDA04F9962CB6DF46F160713D73360DD135EC9DA47ECA96790DB4DF3254EF27BC2C774732DCC46BDA426A18CB0D9687E741F0EC20E2A602F31AECFDB958C43AFF925DCA39DB39A03EA0E1A700D1E76E9C6A08772FFF2E574C0AF36330932FC5
E = 010001

So How can I Achieve this goal. Please Give me suggestion about this.

EDIT : Try with this testdec.txt also As per BLUEPIXY code its gone in infinite loop.

N = 137,72,247,73,196,168,11,223,107,232,230,189,125,211,175,123,12,235,2,231,123,244,84,184,214,143,144,189,38,103,237,173,129,68,158,92,8,141,76,60,76,98,54,39,7,48,148,45,76,105,52,191,255,245,117,156,25,122,244,65,79,110,244,17,23,110,128,239,117,70,46,140,178,75,230,126,242,100,77,194,42,187,241,110,218,215,242,118,186,92,133,26,175,167,158,16,113,123,105,114,161,23,79,197,76,102,103,93,230,174,120,128,194,34,104,42,253,131,122,49,30,212,205,237,119,71,108,95
E = 1,0,1 
N = 137,72,247,73,196,168,18,223,107,232,230,189,125,211,175,123,12,235,2,231,123,244,84,184,214,143,144,189,38,103,237,173,129,68,158,92,8,141,76,60,76,98,54,39,7,48,148,45,76,105,52,191,255,245,117,156,25,122,244,65,79,110,244,17,23,110,128,239,117,70,46,140,178,75,230,126,242,100,77,194,42,187,241,110,218,215,242,118,186,92,133,26,175,167,158,16,113,123,105,114,161,23,79,197,76,102,103,93,230,174,120,128,194,34,104,42,253,131,122,49,30,212,205,237,119,71,108,95
E = 1,0,1
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1 Answer

  1. Editorial Team

    Have you tried:

    • man fgets, this reads lines from a file.
    • man strtok, this extracts data separated by delimiters.
    • man atoi, this converts a string to an int.
    • man fprintf, this writes int values as hex strings to a file.
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