From: Milan Zimmermann <milan.zimmermann@gmail.com>
To: 59612@debbugs.gnu.org
Subject: bug#59612: A comment line in example change
Date: Sat, 26 Nov 2022 10:59:13 -0500 [thread overview]
Message-ID: <CAEc2VK3OM8CQ3ry3zCHLh4YKb-2XvmVUNhaa+-jjJH30dnXOCA@mail.gmail.com> (raw)
In-Reply-To: <CAEc2VK1jY+e4Vt1HFRxxeW-AehSqYTWJNd=g2S99FBqPgx=Y8g@mail.gmail.com>
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The script I provided has a mis-typed comment on line 6. The script should
be:
################################################################
# The behavior of conditionals depends on whitespace
# Source this script to test it
# This formatting works as expected; evaluates the "true" block.
# Result:
# "It is 2" # <=== The original had a typo here, included NOT
#
if { = 2 2 } {
echo "It is 2"
} {
echo "It is NOT 2"
}
# This formatting causes a BUG: both the "true" block and the "false" block
are evaluated.
# I tried several combinations, it appears it the "false" block starts on
it's own line,
# it is no longer treated a part of the "if" expression. Which could be
argued
# is expected because there is no "else" that would define whether the
second block
# is not part of the "if" expression. BUT see next test
#
# Result:
# "It is 3"
# "It is NOT 3"
#
if { = 3 3 } {
echo "It is 3"
}
{
echo "It is NOT 3"
}
# BUT we get the same incorrect result if we place the whole if expression
into {}
{
if { = 4 4 } {
echo "It is 4"
}
{
echo "It is NOT 4"
}
}
######################################################################
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next prev parent reply other threads:[~2022-11-26 15:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-26 15:52 bug#59612: 29.0.50; Eshell: The behavior of conditionals depends on whitespace Milan Zimmermann
2022-11-26 15:59 ` Milan Zimmermann [this message]
2022-11-26 16:19 ` bug#59612: Incorrect behavior also with ${CONDITION} Milan Zimmermann
2022-11-26 18:28 ` Jim Porter
2022-11-26 19:32 ` Jim Porter
2022-11-26 18:42 ` bug#59612: 29.0.50; Eshell: The behavior of conditionals depends on whitespace Jim Porter
2022-11-27 0:39 ` Jim Porter
2022-11-27 2:16 ` Milan Zimmermann
2022-11-27 3:13 ` Jim Porter
2022-11-27 5:07 ` Milan Zimmermann
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