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Full Discussion: Cannot extract libraries using sed
Top Forums UNIX for Beginners Questions & Answers Cannot extract libraries using sed Post 303037771 by sand1234 on Tuesday 13th of August 2019 08:14:44 AM
Old 08-13-2019
Hi MadeinGermany,

Thanks for the tips.

The first solution does not work,

Code:
 ./copy_chroot_lib.sh ls echo | sed -n 's#\(/lib\).*#\1#p'
        libselinux.so.1 => /lib
        libc.so.6 => /lib
        libpcre.so.3 => /lib
        libdl.so.2 => /lib
        /lib
        libpthread.so.0 => /lib
        libc.so.6 => /lib
        /lib

While the output from the second solution does not capture only file path, and also captures (0x00...)

Code:
 ./copy_chroot_lib.sh ls echo | sed -n 's#.* => ##p'
/lib/x86_64-linux-gnu/libselinux.so.1 (0x00007f73bfead000)
/lib/x86_64-linux-gnu/libc.so.6 (0x00007f73bfcc3000)
/lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f73bfc4f000)
/lib/x86_64-linux-gnu/libdl.so.2 (0x00007f73bfc49000)
/lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f73bfc28000)
/lib/x86_64-linux-gnu/libc.so.6 (0x00007f2cfa01c000)

I suppose we can exclude the hex value via the following, then capture lines starting with /lib.

Code:
 ./copy_chroot_lib.sh ls echo | sed -E 's#.* => ##;s/[(]0.*//'
        linux-vdso.so.1   <----- should not be included
/lib/x86_64-linux-gnu/libselinux.so.1
/lib/x86_64-linux-gnu/libc.so.6
/lib/x86_64-linux-gnu/libpcre.so.3
/lib/x86_64-linux-gnu/libdl.so.2
        /lib64/ld-linux-x86-64.so.2
/lib/x86_64-linux-gnu/libpthread.so.0
        linux-vdso.so.1
/lib/x86_64-linux-gnu/libc.so.6
        /lib64/ld-linux-x86-64.so.2

Do let me know if you have any better ideas.

Thanks!
 

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LEARN ABOUT CENTOS

grub2-file

GRUB-FILE(1)						      General Commands Manual						      GRUB-FILE(1)

NAME

       grub-file -- Check if FILE is of specified type.

SYNOPSIS

       grub-file (--is-i386-xen-pae-domu | --is-x86_64-xen-domu |
		  --is-x86-xen-dom0 | --is-x86-multiboot |
		  --is-x86-multiboot2 | --is-arm-linux | --is-arm64-linux |
		  --is-ia64-linux | --is-mips-linux | --is-mipsel-linux |
		  --is-sparc64-linux | --is-powerpc-linux | --is-x86-linux |
		  --is-x86-linux32 | --is-x86-kfreebsd | --is-i386-kfreebsd |
		  --is-x86_64-kfreebsd | --is-x86-knetbsd |
		  --is-i386-knetbsd | --is-x86_64-knetbsd | --is-i386-efi |
		  --is-x86_64-efi | --is-ia64-efi | --is-arm64-efi |
		  --is-arm-efi | --is-hibernated-hiberfil | --is-x86_64-xnu |
		  --is-i386-xnu | --is-xnu-hibr | --is-x86-bios-bootsector)
		  FILE

DESCRIPTION

       grub-file is used to check if FILE is of a specified type.

OPTIONS

       --is-i386-xen-pae-domu
	      Check if FILE can be booted as i386 PAE Xen unprivileged guest kernel

       --is-x86_64-xen-domu
	      Check if FILE can be booted as x86_64 Xen unprivileged guest kernel

       --is-x86-xen-dom0
	      Check if FILE can be used as Xen x86 privileged guest kernel

       --is-x86-multiboot
	      Check if FILE can be used as x86 multiboot kernel

       --is-x86-multiboot2
	      Check if FILE can be used as x86 multiboot2 kernel

       --is-arm-linux
	      Check if FILE is ARM Linux

       --is-arm64-linux
	      Check if FILE is ARM64 Linux

       --is-ia64-linux
	      Check if FILE is IA64 Linux

       --is-mips-linux
	      Check if FILE is MIPS Linux

       --is-mipsel-linux
	      Check if FILE is MIPSEL Linux

       --is-sparc64-linux
	      Check if FILE is SPARC64 Linux

       --is-powerpc-linux
	      Check if FILE is POWERPC Linux

       --is-x86-linux
	      Check if FILE is x86 Linux

       --is-x86-linux32
	      Check if FILE is x86 Linux supporting 32-bit protocol

       --is-x86-kfreebsd
	      Check if FILE is x86 kFreeBSD

       --is-i386-kfreebsd
	      Check if FILE is i386 kFreeBSD

       --is-x86_64-kfreebsd
	      Check if FILE is x86_64 kFreeBSD

       --is-x86-knetbsd
	      Check if FILE is x86 kNetBSD

       --is-i386-knetbsd
	      Check if FILE is i386 kNetBSD

       --is-x86_64-knetbsd
	      Check if FILE is x86_64 kNetBSD

       --is-i386-efi
	      Check if FILE is i386 EFI file

       --is-x86_64-efi
	      Check if FILE is x86_64 EFI file

       --is-ia64-efi
	      Check if FILE is IA64 EFI file

       --is-arm64-efi
	      Check if FILE is ARM64 EFI file

       --is-arm-efi
	      Check if FILE is ARM EFI file

       --is-hibernated-hiberfil
	      Check if FILE is hiberfil.sys in hibernated state

       --is-x86_64-xnu
	      Check if FILE is x86_64 XNU (Mac OS X kernel)

       --is-i386-xnu
	      Check if FILE is i386 XNU (Mac OS X kernel)

       --is-xnu-hibr
	      Check if FILE is XNU (Mac OS X kernel) hibernated image

       --is-x86-bios-bootsector
	      Check if FILE is BIOS bootsector

SEE ALSO

       info grub

								  Web Feb 26 2014						      GRUB-FILE(1)
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