On Fri, Jun 13, 2025 at 06:33:15PM +0900, Akira Yokosawa wrote:
> pdflatex outputs .log files in iso-8859-1 encoding. In our build
> scripts, grep assumes UTF-8 encoding for its input by default.
>
> Practically speaking, the mismatch of encoding is unlikely to cause
> any harm. That said, in the build log, there is a suspicious message
> from grep:
>
> ...
> pdflatex 1 for perfbook.pdf
> grep: perfbook.log: binary file matches <===
> ...
>
> Converting .log files into UTF-8 on-the-fly can avoid the message.
>
> Let's do it.
>
> Signed-off-by: Akira Yokosawa <[email protected]>
Queued and pushed, thank you!
Thanx, Paul
> ---
> Note 1:
> Unicode ready modern engines such as XeTeX and LuaTex emit .log
> files in UTF-8 encoding.
>
> Note 2:
> Currently, perfbook's preamble is not compatible with lualatex
> or xelatex.
>
> Note 3:
> iconv should be available by default.
> encguess should also be available where perl is installed.
> --
> utilities/runfirstlatex.sh | 10 ++++++++++
> utilities/runlatex.sh | 10 ++++++++++
> 2 files changed, 20 insertions(+)
>
> diff --git a/utilities/runfirstlatex.sh b/utilities/runfirstlatex.sh
> index a89e8a70..676502b2 100644
> --- a/utilities/runfirstlatex.sh
> +++ b/utilities/runfirstlatex.sh
> @@ -72,6 +72,16 @@ basename=`echo $1 | sed -e 's/\.tex$//'`
> echo "$LATEX 1 for $basename.pdf"
> $LATEX $LATEX_OPT $basename > /dev/null 2>&1 < /dev/null
> exitcode=$?
> +ENCGUESS_CMD=`command -v encguess`
> +if [ "x$ENCGUESS_CMD" != "x" ]
> +then
> + if encguess -s iso-8859-1 $basename.log | grep -q ISO-8859-1
> + then
> + mv $basename.log $basename-tmp.log
> + iconv -f ISO-8859-1 -t UTF-8 $basename-tmp.log > $basename.log
> + rm $basename-tmp.log
> + fi
> +fi
> if grep -q 'LaTeX Warning: You have requested' $basename.log
> then
> grep -A 4 'LaTeX Warning: You have requested' $basename.log
> diff --git a/utilities/runlatex.sh b/utilities/runlatex.sh
> index 358b6baf..17d833ad 100644
> --- a/utilities/runlatex.sh
> +++ b/utilities/runlatex.sh
> @@ -79,6 +79,16 @@ iterate_latex () {
> makeglossaries $basename > /dev/null 2>&1
> $LATEX $LATEX_OPT $basename > /dev/null 2>&1 < /dev/null
> exitcode=$?
> + ENCGUESS_CMD=`command -v encguess`
> + if [ "x$ENCGUESS_CMD" != "x" ]
> + then
> + if encguess -s iso-8859-1 $basename.log | grep -q ISO-8859-1
> + then
> + mv $basename.log $basename-tmp.log
> + iconv -f ISO-8859-1 -t UTF-8 $basename-tmp.log >
> $basename.log
> + rm $basename-tmp.log
> + fi
> + fi
> if grep -q '! Emergency stop.' $basename.log
> then
> grep -B 10 -A 5 '! Emergency stop.' $basename.log
>
> base-commit: a1bf2e61230301bfc12eba19abfc1c5a880f53be
> --
> 2.43.0
>
