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Hello,

I am writing a program and what I need to do is the following inside a loop in a shell script.

1) execute ./ file obtained by compiling program1.c
2) use values returned from step 1...

"Hello

I have a long binary string in a char array like this

char abc [] = "100000001010000000110010";

I need to convert this string to a long long.
I can't use atoi to convert it to long...

Can anyone tell me how I can invoke or call: awk, grep and sed commands from within a C program?
..Thanks

I am writing a code that should do the following..
Count how many times a certain string occurs in the second column of a file for a range in the first column..
This is a simple version of my code...

Thanks all.. The code is working fine now.. Will get back if I have any other queries :rolleyes:

Thanks.. I didnt know..

Thanks.. does rewind(fptr) always make the pointer point to beginning of file or just decrement it and make it point to previous line in the file?




This is the output i see... Note the values...

Hello all..
I'm fairly new to programming and am trying to get the following implemented. I have a .txt file which contains something like this...
1.34324 10202043
1.78458 19430437
1.93287...