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-rwxr-xr-xshell/ash_test/ash-glob/glob2.tests27
1 files changed, 27 insertions, 0 deletions
diff --git a/shell/ash_test/ash-glob/glob2.tests b/shell/ash_test/ash-glob/glob2.tests
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+# This test demonstrates that in unquoted $v, backslashes expand by this rule:
+# \z -> \\\z; \<eol> -> \\<eol> (for any z, special or not),
+# and subsequently globbing converts \\ to \ and treats \z as literal z
+# even if it is a special char.
+
+>'Zf'
+>'Z\f'
+ echo 'Expected' 'Actual'
+v='\*'; echo 'Z\* :' Z$v # ash is buggy here: prints 'Z\f'
+ echo 'Z* :' Z\*
+ echo 'Z\f :' Z\\*
+ echo 'Z\* :' Z\\\* # NB! only this matches Z$v output
+echo
+v='\z'; echo 'Z\z :' Z$v
+ echo 'Zz :' Z\z
+ echo 'Z\z :' Z\\z
+ echo 'Z\z :' Z\\\z
+echo
+v='\'; echo 'Z\ :' Z$v
+ echo 'Z\ :' Z\\
+echo
+v='*'; echo 'Z\f Zf :' Z$v
+ echo 'Z\f Zf :' Z*
+echo
+
+rm 'Z\f' 'Zf'
+echo Done: $?