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Shell script help

Name: Anonymous 2010-11-03 22:18

How can I change my code to be able to compare the size of two files.

if [ -f $1 ] && [ -f $2 ] && [ ! $1 -ef $2 ]; then
    size1=$(du $1)
    size2=$(du $2)
    if [ $1 -gt $2 ]; then
     echo "$1 is bigger"
    else
      echo "$1 is smaller"
    fi
fi

Name: Anonymous 2010-11-03 22:42

intENTERPRISE_C(char *f1, char *f2){
    FILE *f1ptr;
    FILE *f2ptr;
   
    if(!(f1ptr=fopen(f1,'r')) || !(f2ptr=fopen(f2,'r'))){
        fprintf(stderr,"Failed to open files\n");
        return -1;
    }
   
    if(sizeof(f1ptr) > sizeof(f2ptr))
        printf("File 1 is bigger");
    else
        printf("File 2 is bigger");
    return 0;
}

Name: Anonymous 2010-11-03 22:47

in shell, not c++ -_-

Name: Anonymous 2010-11-03 22:48

>>3
that's not C++ you fool, that's ENTERPRISE C

Name: Anonymous 2010-11-03 23:01

if(sizeof(f1ptr) > sizeof(f2ptr))

i don't think that will work right

Name: Anonymous 2010-11-03 23:07

its for script shell

Name: Anonymous 2010-11-03 23:08

>>5
It won't. That doesn't actually read the size of everything in the file, just the size of the pointer.

Name: Anonymous 2010-11-03 23:50

>>7
>>5
intENTERPRISE_C(char *f1, char *f2){
    FILE *f1ptr;
    FILE *f2ptr;
   
    if(!(f1ptr=fopen(f1,'b')) || !(f2ptr=fopen(f2,'b'))){
        fprintf(stderr,"Failed to open files\n");
        return -1;
    }
    fseek(f1ptr,0,SEEK_END);
    fseek(f2ptr,0,SEEK_END);
    if(ftell(f1ptr) > ftell(f2ptr))
        printf("File 1 is bigger");
    else
        printf("File 2 is bigger");
    return 0;
}

Name: Anonymous 2010-11-04 2:49

>>8
- "rb"
- A binary stream need not meaningfully support fseek calls with a whence value of SEEK_END. The fseek function returns nonzero only for a request that cannot be satisfied.
- On failure, the ftell function returns −1L.
IHBT

Name: Anonymous 2010-11-04 14:15

>>8

still not enterprise

Name: Anonymous 2010-11-04 14:58

>>1
Use stat -c%s "$1" instead of du $1 and it should work.

Name: Anonymous 2010-11-04 15:24

>>10
intENTERPRISE C(char *f1,char *f2){
    printf("File 1 is bigger");
    return 0;
}

Name: Anonymous 2010-11-04 16:06

>>12
intENTERPRISE_C(char *f1, char *f2){
    if(strlen(f1) > strlen(f2) goto file1;
    printf("File 2 is bigger\n");
    goto end;
   file1:
    printf("File 1 is bigger\n");
   end:
    return 0;
}

Name: Anonymous 2010-11-04 16:07

>>13
*forgot a ).

Name: Anonymous 2010-11-04 17:06

int [b][i][u][o]ENTERPRISE_C[/o][/u][/i][/b](const char *f1, const char *f2)
{
    if (f1 > f2)
        printf("File 1 is bigger");
    else
        printf("File 2 is bigger");
    return EXIT_SUCCESS;
}

Name: Anonymous 2010-11-04 18:42

/* ftell example : getting size of a file */
#include <stdio.h>

int main ()
{
  FILE * pFile;
  long size;

  pFile = fopen ("myfile.txt","rb");
  if (pFile==NULL) perror ("Error opening file");
  else
  {
    fseek (pFile, 0, SEEK_END);
    size=ftell (pFile);
    fclose (pFile);
    printf ("Size of myfile.txt: %ld bytes.\n",size);
  }
  return 0;
}

Name: Anonymous 2010-11-04 19:03

>>16
/* Get the size of a file. */

#include <stdio.h>

int main(int argc, char *argv[])
{
    FILE *file;
    long size;

    if (argc < 2)
        fprintf(stderr, "Please provide a filename argument.\n");
    else if ((file = fopen(argv[1], "rb")) == NULL)
        fprintf(stderr, "Error opening file.\n");
    else if (fseek(file, 0, SEEK_END))
        fprintf(stderr, "Error seeking to end of file.\n");
    else if ((size = ftell(file)) == -1)
        fprintf(stderr, "Error obtaining file position.\n");
    else
        printf("%ld\n", size);

    return 0;
}

Name: Anonymous 2010-11-04 19:40

anus anus anus anus;

Name: Anonymous 2010-11-04 20:44

>>17
pig disgusting error handling

Name: Anonymous 2010-11-04 23:16

look at these sepples. They are ugly. Behold the true power of shell.

#!/bin/bash

function fz()
{
    echo $(wc -c <"$1")
}

a=$(fz a.sh)
b=$(fz b.sh)

echo $(($a < $b))
echo $(($a == $b))
echo $(($a > $b))

Name: Anonymous 2010-11-04 23:20

>>20
they aren't C++

Name: Anonymous 2010-11-04 23:24

>>21
implying there's significant difference between fstream.tellg and ftell(FILE* stream)

Name: Anonymous 2010-11-04 23:39

>>22
just because the process would be closely related and almost the same doesn't equate the C code to be C++

Name: Anonymous 2010-11-04 23:39

C++2x:

int main() {
   std::cpp2x::r1::r2::e1::boost::library::type::primitive::integer::bignum count1;
   std::cpp2x::r1::r2::e1::boost::library::file::utils::FileStreamObjectHolderIteratorConstructorOverridable<std::cpp2x::r1::r2::e1::boost::library::file::type::readonly> file1("file1");
   std::cpp2x::r1::r2::e1::boost::library::file::iterators::for::each::byte_in_file<std::cpp2x::r1::r2::e1::boost::library::file::utils::FileStreamObjectHolderIteratorConstructorOverridable<std::cpp2x::r1::r2::e1::boost::library::file::type::readonly>>(file1.begin(), file1.end(), count1.increment_by(1));
   std::cpp2x::r1::r2::e1::boost::library::type::primitive::integer::bignum count2;
   std::cpp2x::r1::r2::e1::boost::library::file::utils::FileStreamObjectHolderIteratorConstructorOverridable<std::cpp2x::r1::r2::e1::boost::library::file::type::readonly> file2("file2");
   std::cpp2x::r1::r2::e1::boost::library::file::iterators::for::each::byte_in_file<std::cpp2x::r1::r2::e1::boost::library::file::utils::FileStreamObjectHolderIteratorConstructorOverridable<std::cpp2x::r1::r2::e1::boost::library::file::type::readonly>>(file2.begin(), file2.end(), count2.increment_by(1));
   std::cpp2x::r1::r2::e1::boost::library::utils::statements::comparison::boolean::if(std::cpp2x::r1::r2::e1::boost::library::types::primitive::integer::bignum::operator>(count1, count2).tostdbool, [std::cpp2x::r1::r2::e1::boost::library::output::stdout.putline(std::cpp2x::r1::r2::e1::boost::library::types::primitive::string("File1 is bigger.")].else(std::cpp2x::r1::r2::e1::boost::library::utils::statements::comparison::boolean::if(std::cpp2x::r1::r2::e1::boost::library::types::primitive::integer::bignum::operator<(count1, count2).tostdbool, [std::cpp2x::r1::r2::e1::boost::library::output::stdout.putline(std::cpp2x::r1::r2::e1::boost::library::types::primitive::string("File2 is bigger.")].else(std::cpp2x::r1::r2::e1::boost::library::output::stdout.putline(std::cpp2x::r1::r2::e1::boost::library::types::primitive::string("They are equal.")))));
}

Name: Anonymous 2010-11-04 23:45

>>23
Except it's C++ code. Or at least my compiler things so.

Name: Anonymous 2010-11-05 0:24

C++++++

Name: Anonymous 2010-11-05 1:20

>>25
>things
what a hell is wrong with me?

Name: Anonymous 2010-11-05 5:31

>>27
anus

Name: Anonymous 2010-11-05 18:43

>>24
what the fuck

Name: Anonymous 2010-11-06 0:29

section .text
    global _start
bail:
    mov rdi, 1
    jmp exit
usage:
    mov rdi, 2
exit:
    mov rax, 60
    syscall
_start:
    pop rax
    cmp rax, 2
    jnz usage
    add rsp, 8
    mov rax, 2
    pop rdi
    mov rsi, 0
    syscall
    cmp rax, -1
    je bail
    mov rdi, rax
    mov rax, 8
    mov rsi, 0
    mov rdx, 2
    syscall
    cmp rax, -1
    je bail
    mov r9, rax
    mov rax, 3
    syscall
    push 0xa
    mov rax, 1
    mov rdi, 1
    mov rsi, rsp
    mov rdx, rdi
    syscall
    add rsp, 8
lewp:
    mov rcx, r9
    xor rdx, rdx
    mov rax, rcx
    mov r8, 10
    idiv r8
    mov r9, rax ; rcx is clobbered by write()
    add rdx, '0'
    push rdx
    mov rax, 1
    mov rdi, 1
    mov rsi, rsp
    mov rdx, 1
    syscall
    add rsp, 8
    test r9, r9
    jz fin
    jmp lewp
fin:
    mov rdi, 0
    jmp exit
You'll need to pipe into rev because I can't be bothered reversing the characters it outputs.
that's the power of Unix for you

Name: Anonymous 2011-01-31 20:17

<-- check em dubz

Name: Anonymous 2011-02-03 1:10

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