tadd script to plot temporal evolution of field - cngf-pf - continuum model for granular flows with pore-pressure dynamics (renamed from 1d_fd_simple_shear)
 (HTM) git clone git://src.adamsgaard.dk/cngf-pf
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       ---
 (DIR) commit 4e5828e062c676396ca0c67660c83cc6755f7002
 (DIR) parent 63448eb2803256024a9e887c9f29aae7bfc35946
 (HTM) Author: Anders Damsgaard <anders@adamsgaard.dk>
       Date:   Thu,  9 Sep 2021 14:54:41 +0200
       
       add script to plot temporal evolution of field
       
       Diffstat:
         A plot_cngf_pf_evolution              |      27 +++++++++++++++++++++++++++
       
       1 file changed, 27 insertions(+), 0 deletions(-)
       ---
 (DIR) diff --git a/plot_cngf_pf_evolution b/plot_cngf_pf_evolution
       t@@ -0,0 +1,27 @@
       +#!/bin/sh
       +
       +usage() {
       +        printf 'usage: %s [-f field] [-h] [-l label] [-t term]\n' "${0##*/}" 1>&2
       +}
       +
       +field="2"
       +label="shear velocity [m/s]"
       +term="pdf"
       +while getopts 'f:hl:t:' arg; do
       +        case "${arg}" in
       +                f) field="${OPTARG}" ;;
       +                h) usage; exit 0 ;;
       +                l) label="${OPTARG}" ;;
       +                t) term="${OPTARG}" ;;
       +                *) usage; exit 1 ;;
       +        esac
       +done
       +shift $((OPTIND - 1))
       +
       +for f in "$@"; do
       +        tail -n 1 "$f"
       +done | \
       +gnuplot -e "set term ${term};\
       +            set xlabel 'Timestep [-]';\
       +            set ylabel '${label}';\
       +            plot '-' u 0:${field} with lines title ''"