The Computational Lab for Advanced Water Resources Informatics and Modeling https://clawiki.isnew.info/ 2026-04-22T01:01:30+00:00 https://clawiki.isnew.info/ https://clawiki.isnew.info/_media/wiki/logo.png text/html 2026-04-09T06:36:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_compile_peakfq_on_linux?rev=1775716597&do=diff How to compile PeakFQ on Linux First, install the Intel Fortran Compiler. You can download the incomplete source code of PeakFQ from its website. Here, I'll use PeakFQ_7.5.1.src.zip. Visit its GitHub repository. #!/bin/sh # download source code wget https://water.usgs.gov/software/PeakFQ/code/7.5.1/PeakFQ_7.5.1.src.zip # unzip it mkdir -p ~/src unzip PeakFQ_7.5.1.src.zip -d ~/src cd ~/src mv PeakFQ_7.5.1.src/src/FORTRAN peakfq rm -rf PeakFQ_7.5.1.src cd peakfq # rename all filenames to lo… text/html 2026-04-18T20:41:23+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_install_tex_live_on_linux?rev=1776544883&do=diff How to install TeX Live on Linux Slackware installs TeX Live by default. However, extra packages and documentation require root permissions to install (texlive-extra and texlive-docs), and they are not a full installation. This HOWTO explains how to install TeX Live as a non-root user. text/html 2024-07-21T15:50:54+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_merge_csv_files_in_the_current_directory?rev=1721577054&do=diff How to merge CSV files in the current directory # set a variable to know if a file is the first one # because we don't want to skip the head line from the first file first=1 # for each of *.csv file names, assign it to i for i in *.csv; do # if you repeat this script, we don't want to merge # the previously merged file again if [ "$i" = "merged.csv" ]; then # skip this file continue fi # if this file is first if [ $first -eq 1 ]; then # print everything cat "$i" … text/html 2026-03-03T22:48:55+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_install_micromamba?rev=1772578135&do=diff How to install micromamba On UN*X # install micromamba curl -L https://micro.mamba.pm/install.sh | env \ BIN_FOLDER="$HOME/local/bin" \ PREFIX_LOCATION="$HOME/opt/micromamba" \ sh # create an alias echo "alias mm=micromamba" >> ~/.bashrc # source micromamba . ~/.bashrc text/html 2026-04-09T06:33:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_compile_grass_on_slackware?rev=1775716424&do=diff How to compile GRASS on Slackware This HOWTO explains how to compile GRASS on Slackware. # switch to root su - # create postgres group and user for postgresql, one of pdal dependencies groupadd -g 209 postgres useradd -u 209 -g 209 -d /var/lib/pgsql postgres # install dependency libraries; # build queuefiles, not packages, to automatically build any other dependencies sbopkg -k -i "proj gdal pdal blas lapack" # switch to non-root exit # clone github repositories mkdir -p ~/src cd ~/src gi… text/html 2026-04-09T06:34:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_compile_modflow_6_on_slackware?rev=1775716481&do=diff How to compile MODFLOW 6 on Slackware MODFLOW 6 is parallelized using the Message Passing Interface (MPI) and the Portable, Extensible Toolkit for Scientific Computation (PETSc). This HOWTO explains how to compile these dependencies and MODFLOW 6 on Slackware. # switch to root su - # install openmpi and python3-numpy; petsc requires python3-numpy and OpenBLAS; # build queuefiles, not packages, to automatically build any other dependencies sbopkg -k -i "openmpi python3-numpy OpenBLAS" # down… text/html 2026-04-09T06:37:52+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_compile_qgis_on_slackware?rev=1775716672&do=diff How to compile QGIS on Slackware Install GRASS first. # switch to root su - # replace USERNAME with your non-root username who installed GRASS if ! echo $PKG_CONFIG_PATH | grep -q /home/USERNAME/local/share/pkgconfig; then echo 'export PKG_CONFIG_PATH="$HOME/local/share/pkgconfig:$PKG_CONFIG_PATH"' > ~/.bash_profile . ~/.bash_profile fi echo 'export LD_LIBRARY_PATH="$HOME/src/grass/dist.x86_64-pc-linux-gnu/lib:$LD_LIBRARY_PATH"' > ~/.bash_profile . ~/.bash_profile # create postgres gro… text/html 2024-09-24T13:35:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_download_features_using_the_arcgis_rest_api?rev=1727184906&do=diff How to download features using the ArcGIS REST API This script requires jq. #!/bin/sh if [ $# -lt 2 ]; then echo "Usage: download_arcgis_rest_features.sh REST_URL output" exit fi # URL for an ArcGIS REST API rest_url=$1 # output filename output=$2 # prefix prefix=$(echo $output | sed 's/\..*//') # starting record offset offset=0 # max record count count=2000 url="$rest_url/query" # required parameters url="$url?f=geojson" url="$url&where=1%3D1" url="$url&outFields=*" url="$url&result… text/html 2026-04-09T06:35:35+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_install_hec-ras_on_linux?rev=1775716535&do=diff How to install HEC-RAS on Linux Login to the Linux machine. In this example, we use NMSU's Discovery node discovery-l2: # connect to the NMSU network using either Wi-Fi or VPN ssh NMSU_username@discovery-l2 # type your NMSU password Download the text/html 2026-04-09T06:38:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_install_the_intel_fortran_compiler_on_linux?rev=1775716719&do=diff How to install the Intel Fortran Compiler on Linux Go to their website and download the latest version. For this HOWTO, I used l_fortran-compiler_p_2024.2.1.80_offline.sh. I suggest an offline version. # download the installer wget https://registrationcenter-download.intel.com/akdlm/IRC_NAS/5e7b0f1c-6f25-4cc8-94d7-3a527e596739/l_fortran-compiler_p_2024.2.1.80_offline.sh # make it executable chmod a+x l_fortran-compiler_p_2024.2.1.80_offline.sh # install ./l_fortran-compiler_p_2024.2.1.80_of… text/html 2026-02-28T14:53:09+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_convert_latex_to_qmd?rev=1772290389&do=diff How to convert LaTeX to QMD # convert tex to tempory qmd pandoc main.tex --to=markdown+tex_math_dollars+raw_tex --wrap=none -o main.tmp # extract citations grep -oE '@\{[^}]+\}|@[A-Za-z0-9_:/.-]+' main.tmp | sed 's/[@{}]//g; s/^/\\citation{/; s/$/}/' | sort -u > refs.keys # extract cited bib entries only bibtool -x refs.keys --preserve.key.case=on -i full.bib -o references.bib # add yaml header (cat<<'EOT' --- title: "TITLE" format: html: toc: true number-sections: true pdf:… text/html 2024-07-21T15:52:17+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_count_non-null_records_in_a_column_in_a_csv_file?rev=1721577137&do=diff How to count non-null records in a column in a CSV file tail -n +2 merged.csv | sed 's/"//g; s/,/ /g' | awk '{ if($57 != "") count++ } END{ print count }' text/html 2024-07-21T15:51:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_find_the_order_of_a_column_in_a_csv_file?rev=1721577094&do=diff How to find the order of a column in a CSV file head -1 merged.csv | sed 's/"//g; s/,/ /g' | awk '{ for(i=1; i<=NF; i++) if($i == "TOBS") print i }' text/html 2026-01-31T18:28:02+00:00 Anonymous (anonymous@undisclosed.example.com) https://clawiki.isnew.info/howtos/how_to_install_clink_on_windows?rev=1769884082&do=diff How to install Clink on Windows Clink is a powerful command-line editing utility for Windows. * Download the latest ZIP file from <https://github.com/chrisant996/clink/releases>. * Uncompress it to C:\opt\clink. * Start cmd.exe and run: C:\opt\clink\clink_x64.exe autorun install echo @echo off>%LOCALAPPDATA%\clink\clink_start.cmd