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gdb/testsuite: make gdb.tui/gdb.sh work with dash

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gdb.tui/gdb.sh (used by test gdb.tui/tuiterm-2.exp) doesn't run well
when /bin/sh is dash:

    $ bash testsuite/gdb.tui/gdb.sh
    foo^C
    $ dash testsuite/gdb.tui/gdb.sh
    footestsuite/gdb.tui/gdb.sh: 20: read: arg count

shellcheck actually points it out:

    In testsuite/gdb.tui/gdb.sh line 20:
    read
    ^--^ SC3061 (warning): In POSIX sh, read without a variable is undefined.
    ^--^ SC2162 (info): read without -r will mangle backslashes.

Fix the issue by passing the `_` dummy variable.  Using that particular
variable will not cause shellcheck to whine about it being unused.  Also
add `-r` to make it happy.

Change-Id: Ida3eddbfa3473487743fc96615baf735b4773738
This commit is contained in:
Simon Marchi
2025-10-08 21:49:50 -04:00
parent 41fa0c5ed7
commit 7b67c40b51
1 changed files with 1 additions and 1 deletions
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2
gdb/testsuite/gdb.tui/gdb.sh
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@@ -17,4 +17,4 @@
printf "foo\033(%%5"
read
read -r _