Public bug reported:
The info page for ‘printf’ is misleading because the C ‘printf’ function
does not interpret any escape sequences. So, interpreting this
specification literally, all escape sequences are differences but not
all of them are listed below. In particular, the sequence ‘\e’ is not
listed.
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System ->
About Ubuntu
19.04
2) The version of the package you are using, via 'apt-cache policy pkgname' or
by checking in Software Center
8.30-1ubuntu1
3) What you expected to happen
‘printf’ prints the FORMAT string, interpreting ‘\’ escapes as specified
below
and interpreting ‘%’ directives
to format numeric and string arguments in a way that is
mostly similar to the C ‘printf’ function. *Note ‘printf’ format
directives: (libc)Output Conversion Syntax, for details. The
differences are listed below.
4) What happened instead
‘printf’ prints the FORMAT string, interpreting ‘%’ directives and
‘\’ escapes to format numeric and string arguments in a way that is
mostly similar to the C ‘printf’ function. *Note ‘printf’ format
directives: (libc)Output Conversion Syntax, for details. The
differences are listed below.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: coreutils 8.30-1ubuntu1
ProcVersionSignature: Ubuntu 5.0.0-31.33-generic 5.0.21
Uname: Linux 5.0.0-31-generic x86_64
ApportVersion: 2.20.10-0ubuntu27.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Oct 7 23:24:39 2019
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=pl_PL.UTF-8
SHELL=/bin/bash
SourcePackage: coreutils
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: coreutils (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug disco
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https://bugs.launchpad.net/bugs/1847152
Title:
printf escape sentences are insufficiently documented
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