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--- doc/gawk.texi.orig Tue Aug 8 07:57:43 2000
+++ doc/gawk.texi Mon Jul 16 21:30:14 2001
@@ -16550,8 +16550,7 @@
arranges to clean up any temporary files on program exit or upon an
interrupt.
-@c 2e: For the temp file handling, go with Darrel's ig=${TMP:-/tmp}/igs.$$
-@c 2e: or something as similar as possible.
+@c 2e: For the temporary file handling, use mktemp with $@{TMPDIR:-/tmp@}.
The next part loops through all the command line arguments.
There are several cases of interest.
@@ -16576,7 +16575,7 @@
@itemx --file
@itemx --file=
@itemx -Wfile=
-The file name is saved to the temporary file @file{/tmp/ig.s.$$} with an
+The file name is saved to a temporary file with an
@samp{@@include} statement.
The @code{sed} utility is used to remove the leading option part of the
argument (e.g., @samp{--file=}).
@@ -16584,7 +16583,7 @@
@item --source
@itemx --source=
@itemx -Wsource=
-The source text is echoed into @file{/tmp/ig.s.$$}.
+The source text is echoed into a temporary file.
@item --version
@itemx -Wversion
@@ -16596,16 +16595,11 @@
or @samp{-Wsource}, were supplied, then the first non-option argument
should be the @code{awk} program. If there are no command line
arguments left, @code{igawk} prints an error message and exits.
-Otherwise, the first argument is echoed into @file{/tmp/ig.s.$$}.
+Otherwise, the first argument is echoed into a temporary file.
In any case, after the arguments have been processed,
-@file{/tmp/ig.s.$$} contains the complete text of the original @code{awk}
-program.
-
-The @samp{$$} in @code{sh} represents the current process ID number.
-It is often used in shell programs to generate unique temporary file
-names. This allows multiple users to run @code{igawk} without worrying
-that the temporary file names will clash.
+the complete text of the original @code{awk} program
+is contained in a temporary file.
@cindex @code{sed} utility
Here's the program:
@@ -16620,13 +16614,25 @@
# Arnold Robbins, arnold@@gnu.org, Public Domain
# July 1993
+# Temporary file handling modifications for Owl by
+# Jarno Huuskonen and Solar Designer, still Public Domain
+# May 2001
+
+if [ ! -x /bin/mktemp ]; then
+ echo "$0 needs mktemp to create temporary files."
+ exit 1
+fi
+
+STEMPFILE=`/bin/mktemp $@{TMPDIR:-/tmp@}/igawk.s.XXXXXX` || exit 1
+ETEMPFILE=`/bin/mktemp $@{TMPDIR:-/tmp@}/igawk.e.XXXXXX` || exit 1
+
if [ "$1" = debug ]
then
set -x
shift
else
# cleanup on exit, hangup, interrupt, quit, termination
- trap 'rm -f /tmp/ig.[se].$$' 0 1 2 3 15
+ trap 'rm -f $STEMPFILE $ETEMPFILE' EXIT HUP INT QUIT TERM
fi
while [ $# -ne 0 ] # loop over arguments
@@ -16643,28 +16649,28 @@
-[vF]*) opts="$opts '$1'" ;;
- -f) echo @@include "$2" >> /tmp/ig.s.$$
+ -f) echo @@include "$2" >> $STEMPFILE
shift;;
@group
-f*) f=`echo "$1" | sed 's/-f//'`
- echo @@include "$f" >> /tmp/ig.s.$$ ;;
+ echo @@include "$f" >> $STEMPFILE ;;
@end group
-?file=*) # -Wfile or --file
f=`echo "$1" | sed 's/-.file=//'`
- echo @@include "$f" >> /tmp/ig.s.$$ ;;
+ echo @@include "$f" >> $STEMPFILE ;;
-?file) # get arg, $2
- echo @@include "$2" >> /tmp/ig.s.$$
+ echo @@include "$2" >> $STEMPFILE
shift;;
-?source=*) # -Wsource or --source
t=`echo "$1" | sed 's/-.source=//'`
- echo "$t" >> /tmp/ig.s.$$ ;;
+ echo "$t" >> $STEMPFILE ;;
-?source) # get arg, $2
- echo "$2" >> /tmp/ig.s.$$
+ echo "$2" >> $STEMPFILE
shift;;
-?version)
@@ -16679,19 +16685,19 @@
shift
done
-if [ ! -s /tmp/ig.s.$$ ]
+if [ ! -s $STEMPFILE ]
then
if [ -z "$1" ]
then
echo igawk: no program! 1>&2
exit 1
else
- echo "$1" > /tmp/ig.s.$$
+ echo "$1" > $STEMPFILE
shift
fi
fi
-# at this point, /tmp/ig.s.$$ has the program
+# at this point, $STEMPFILE has the program
@c endfile
@c @end group
@end example
@@ -16776,7 +16782,7 @@
@end group
@end example
-The stack is initialized with @code{ARGV[1]}, which will be @file{/tmp/ig.s.$$}.
+The stack is initialized with @code{ARGV[1]}, which will be @file{$STEMPFILE}.
The main loop comes next. Input lines are read in succession. Lines that
do not start with @samp{@@include} are printed verbatim.
@@ -16825,7 +16831,7 @@
@group
close(input[stackptr])
@}
-@}' /tmp/ig.s.$$ > /tmp/ig.e.$$
+@}' $STEMPFILE > $ETEMPFILE
@end group
@c endfile
@c @end group
@@ -16852,7 +16858,7 @@
@example
@c @group
@c file eg/prog/igawk.sh
-eval gawk -f /tmp/ig.e.$$ $opts -- "$@@"
+eval gawk -f $ETEMPFILE $opts -- "$@@"
exit $?
@c endfile
|
