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Top Forums Shell Programming and Scripting Substitution within string command Post 302890304 by Bruble on Wednesday 26th of February 2014 06:08:29 AM
Old 02-26-2014
Substitution within string command

I have the following code:
Code:
 strfuture=abcdefghi
ver=${strfuture:${count}:1}
          mj7777_ver=${ver} start_mj7777_iteration
          let count=count+1

When it is executed I get bad substitution. The same if I use
Code:
 ver=${strfuture:$count:1}
          mj7777_ver=${ver} start_mj7777_iteration

How would I do the above, please?
I am trying to do ${strfuture:1:1} ... then ${strfuture:2:1} i.e. indexed string within a loop so I do not have to write it out fully.

Is it possible?

Last edited by Scrutinizer; 02-26-2014 at 07:17 AM.. Reason: icode tags changed to code tags
 

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elf32_fsize(3ELF)					       ELF Library Functions						 elf32_fsize(3ELF)

NAME
elf32_fsize, elf64_fsize - return the size of an object file type SYNOPSIS
cc [ flag ... ] file ... -lelf [ library ... ] #include <libelf.h> size_t elf32_fsize(Elf_Type type, size_t count, unsigned ver); size_t elf64_fsize(Elf_Type type, size_t count, unsigned ver); DESCRIPTION
elf32_fsize() gives the size in bytes of the 32-bit file representation of count data objects with the given type. The library uses version ver to calculate the size. See elf(3ELF) and elf_version(3ELF). Constant values are available for the sizes of fundamental types: Elf_Type File Size Memory Size ELF_T_ADDR ELF32_FSZ_ADDR sizeof(Elf32_Addr) ELF_T_BYTE 1 sizeof(unsigned char) ELF_T_HALF ELF32_FSZ_HALF sizeof(Elf32_Half) ELT_T_OFF ELF32_FSZ_OFF sizeof(Elf32_Off) ELF_T_SWORD ELF32_FSZ_SWORD sizeof(Elf32_Sword) ELF_T_WORD ELF32_FSZ_WORD sizeof(Elf32_Word) elf32_fsize() returns 0 if the value of type or ver is unknown. See elf32_xlatetof(3ELF) for a list of the type values. For the 64-bit class, replace 32 with 64 as appropriate. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Stable | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
elf(3ELF), elf32_xlatetof(3ELF), elf_version(3ELF), libelf(3LIB), attributes(5) SunOS 5.10 11 Jul 2001 elf32_fsize(3ELF)
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