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Full Discussion: ~ expansion in printf
Top Forums Shell Programming and Scripting ~ expansion in printf Post 302258737 by geekosaur on Saturday 15th of November 2008 04:41:25 PM
Old 11-15-2008
Code:
~

is only guaranteed to work in interactive shells (and not even then if it's the old Bourne shell as on Solaris).
Code:
$HOME

is the correct portable way to refer to your home directory.
 

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PRINTF(1)							   User Commands							 PRINTF(1)

NAME
printf - format and print data SYNOPSIS
printf FORMAT [ARGUMENT]... printf OPTION DESCRIPTION
Print ARGUMENT(s) according to FORMAT, or execute according to OPTION: --help display this help and exit --version output version information and exit FORMAT controls the output as in C printf. Interpreted sequences are: " double quote \ backslash a alert (BEL)  backspace c produce no further output e escape f form feed new line carriage return horizontal tab v vertical tab NNN byte with octal value NNN (1 to 3 digits) xHH byte with hexadecimal value HH (1 to 2 digits) uHHHH Unicode (ISO/IEC 10646) character with hex value HHHH (4 digits) UHHHHHHHH Unicode character with hex value HHHHHHHH (8 digits) %% a single % %b ARGUMENT as a string with '' escapes interpreted, except that octal escapes are of the form or NNN and all C format specifications ending with one of diouxXfeEgGcs, with ARGUMENTs converted to proper type first. Variable widths are han- dled. NOTE: your shell may have its own version of printf, which usually supersedes the version described here. Please refer to your shell's documentation for details about the options it supports. GNU coreutils online help: <http://www.gnu.org/software/coreutils/> Report printf translation bugs to <http://translationproject.org/team/> AUTHOR
Written by David MacKenzie. COPYRIGHT
Copyright (C) 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. SEE ALSO
printf(3) The full documentation for printf is maintained as a Texinfo manual. If the info and printf programs are properly installed at your site, the command info coreutils 'printf invocation' should give you access to the complete manual. GNU coreutils 8.22 June 2014 PRINTF(1)
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