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Top Forums Shell Programming and Scripting awk does not work well with huge data? Post 302912779 by ariesto on Monday 11th of August 2014 10:57:08 PM
Old 08-11-2014
thank you very much Cubler, it works well. Could I have some more questions?: what does the last number 1 mean ( .. . "{1' ) . why we still need it?
If beside change value of first column whose value is 1 with symbol of Si we also want to change value of first column whose value is 2 with symbol of Hydrogen (H) for example how to write it?
 

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elf_getarsym(3E)														  elf_getarsym(3E)

NAME
elf_getarsym - retrieve archive symbol table SYNOPSIS
[flag... ] file... [library] ... DESCRIPTION
returns a pointer to the archive symbol table, if one is available for the ELF descriptor Otherwise, the archive does not have a symbol ta- ble, an error occurred, or was null; then returns a null value. The symbol table is an array of structures that include the following mem- bers. These members have the following semantics. A pointer to a null-terminated symbol name resides here. A byte offset from the beginning of the archive to the member's header. The archive member residing at the given offset defines the associated symbol. Values in may be passed as arguments to to access the desired archive member. A hash value for the name, as computed by If ptr is non-null, the library stores the number of table entries in the location to which ptr points. This value is set to zero when the return value is null. The table's last entry, which is included in the count, has a null a zero value for and for SEE ALSO
elf(3E), elf_getarhdr(3E), elf_hash(3E), elf_rand(3E), ar(4). elf_getarsym(3E)
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