Skip unneeded temp file in 'make html'

Started by David Fetterabout 8 years ago3 messages
#1David Fetter
david@fetter.org
1 attachment(s)

Folks,

Please find attached a patch for $Subject.

Best,
David.
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Attachments:

0001-Don-t-make-an-unneeded-temp-file.patchtext/x-diff; charset=us-asciiDownload
Don't make an unneeded temp file

In passing, make a slight correction to the regex.
---
 doc/src/sgml/Makefile | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/doc/src/sgml/Makefile b/doc/src/sgml/Makefile
index 428eb569fc..f4ded1b3eb 100644
--- a/doc/src/sgml/Makefile
+++ b/doc/src/sgml/Makefile
@@ -147,14 +147,12 @@ INSTALL.xml: standalone-profile.xsl standalone-install.xml postgres.xml
 # if we try to do "make all" in a VPATH build without the explicit
 # $(srcdir) on the postgres.sgml dependency in this rule.  GNU make bug?
 postgres.xml: $(srcdir)/postgres.sgml $(ALLSGML)
-	$(OSX) $(SPFLAGS) $(SGMLINCLUDE) -x lower $< >$@.tmp
-	$(call mangle-xml,book)
+	$(OSX) $(SPFLAGS) $(SGMLINCLUDE) -x lower $< | $(call mangle-xml,book)
 
 define mangle-xml
-$(PERL) -p -e 's/\[(aacute|acirc|aelig|agrave|amp|aring|atilde|auml|bull|copy|eacute|egrave|gt|iacute|lt|mdash|nbsp|ntilde|oacute|ocirc|oslash|ouml|pi|quot|scaron|uuml) *\]/\&\1;/gi;' \
+$(PERL) -p -e 's/\[(aacute|acirc|aelig|agrave|amp|aring|atilde|auml|bull|copy|eacute|egrave|gt|iacute|lt|mdash|nbsp|ntilde|oacute|ocirc|oslash|ouml|pi|quot|scaron|uuml) *\]/\&$$1;/gio;' \
            -e '$$_ .= qq{<!DOCTYPE $(1) PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">\n} if $$. == 1;' \
-  <$@.tmp > $@
-rm $@.tmp
+  > $@
 endef
 
 
-- 
2.13.6
#2Peter Eisentraut
peter.eisentraut@2ndquadrant.com
In reply to: David Fetter (#1)
Re: Skip unneeded temp file in 'make html'

On 11/2/17 22:07, David Fetter wrote:

postgres.xml: $(srcdir)/postgres.sgml $(ALLSGML)
-	$(OSX) $(SPFLAGS) $(SGMLINCLUDE) -x lower $< >$@.tmp
-	$(call mangle-xml,book)
+	$(OSX) $(SPFLAGS) $(SGMLINCLUDE) -x lower $< | $(call mangle-xml,book)

The reason why it's not done that way is that this would not catch
errors of the command before the pipe.

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Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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#3David Fetter
david@fetter.org
In reply to: Peter Eisentraut (#2)
Re: Skip unneeded temp file in 'make html'

On Fri, Nov 03, 2017 at 11:34:18AM -0400, Peter Eisentraut wrote:

On 11/2/17 22:07, David Fetter wrote:

postgres.xml: $(srcdir)/postgres.sgml $(ALLSGML)
-	$(OSX) $(SPFLAGS) $(SGMLINCLUDE) -x lower $< >$@.tmp
-	$(call mangle-xml,book)
+	$(OSX) $(SPFLAGS) $(SGMLINCLUDE) -x lower $< | $(call mangle-xml,book)

The reason why it's not done that way is that this would not catch
errors of the command before the pipe.

Thanks for clarifying.

Best,
David.
--
David Fetter <david(at)fetter(dot)org> http://fetter.org/
Phone: +1 415 235 3778

Remember to vote!
Consider donating to Postgres: http://www.postgresql.org/about/donate

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