Red Hat ENTERPRISE LINUX 4 - USING BINUTILS Manuel d'utilisateur télécharger pdf (Page 10)

4 Chapter 2. ar

Delete modules from the archive. Specify the names of modules to be deleted as member. . . ; the

archive is untouched if you specify no ﬁles to delete.

If you specify the v modiﬁer, ar lists each module as it is deleted.

Use this operation to move members in an archive.

The ordering of members in an archive can make a difference in how programs are linked using

the library, if a symbol is deﬁned in more than one member.

If no modiﬁers are used with m, any members you name in the member arguments are moved to

the end of the archive; you can use the a, b, or i modiﬁers to move them to a speciﬁed place

instead.

Print the speciﬁed members of the archive, to the standard output ﬁle. If the v modiﬁer is speci-

ﬁed, show the member name before copying its contents to standard output.

If you specify no member arguments, all the ﬁles in the archive are printed.

Quick append; Historically, add the ﬁles member. . . to the end of archive, without checking

for replacement.

The modiﬁers a, b, and i do not affect this operation; new members are always placed at the end

of the archive.

The modiﬁer v makes ar list each ﬁle as it is appended.

Since the point of this operation is speed, the archive’s symbol table index is not updated, even

if it already existed; you can use ar s or ranlib explicitly to update the symbol table index.

However, too many different systems assume quick append rebuilds the index, so gnu ar imple-

ments q as a synonym for r.

Insert the ﬁles member. . . into archive (with replacement). This operation differs from q in

that any previously existing members are deleted if their names match those being added.

If one of the ﬁles named in member. . . does not exist, ar displays an error message, and leaves

undisturbed any existing members of the archive matching that name.

By default, new members are added at the end of the ﬁle; but you may use one of the modiﬁers

a, b, or i to request placement relative to some existing member.

The modiﬁer v used with this operation elicits a line of output for each ﬁle inserted, along with

one of the letters a or r to indicate whether the ﬁle was appended (no old member deleted) or

replaced.

Display a table listing the contents of archive, or those of the ﬁles listed in member. . . that are

present in the archive. Normally only the member name is shown; if you also want to see the

modes (permissions), timestamp, owner, group, and size, you can request that by also specifying

the v modiﬁer.

If you do not specify a member, all ﬁles in the archive are listed.

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Red Hat ENTERPRISE LINUX 4 - USING BINUTILS Manuel d'utilisateur Page 10