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mktemp(1): bring the documentation up to date with best practice

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Using short temp filenames as /tmp/temp.XXXX (4 or 6 X) was probably ok
20 years ago, but not anymore. Best practice is to use 10 X. Given that our
users often copy & paste examples from our manual pages we need to
update the documentation.

PR: 261437
This commit is contained in:
Wolfram Schneider 2024-10-27 16:33:39 +00:00
parent d08713dcdb
commit 93181e3834
1 changed files with 3 additions and 3 deletions
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6
usr.bin/mktemp/mktemp.1
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@ -59,7 +59,7 @@ any file name with some number of
.Ql X Ns s
appended
to it, for example
.Pa /tmp/temp.XXXX .
.Pa /tmp/temp.XXXXXXXXXX .
The trailing
.Ql X Ns s
are replaced with the current process number and/or a
@ -196,7 +196,7 @@ where the script should quit if it cannot get a safe
temporary file.
.Bd -literal -offset indent
tempfoo=`basename $0`
TMPFILE=`mktemp /tmp/${tempfoo}.XXXXXX` || exit 1
TMPFILE=`mktemp /tmp/${tempfoo}.XXXXXXXXXX` || exit 1
echo "program output" >> $TMPFILE
.Ed
.Pp
@ -210,7 +210,7 @@ echo "program output" >> $TMPFILE
In this case, we want the script to catch the error itself.
.Bd -literal -offset indent
tempfoo=`basename $0`
TMPFILE=`mktemp -q /tmp/${tempfoo}.XXXXXX`
TMPFILE=`mktemp -q /tmp/${tempfoo}.XXXXXXXXXX`
if [ $? -ne 0 ]; then
echo "$0: Can't create temp file, exiting..."
exit 1