hist: Add -S option and allow joined plots

garlic/postprocess/hist/hist.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 
 # Use it either reading from stdin or by specifing
 # multiple files as arguments
@@ -20,17 +20,60 @@
 # +------------------------------------------------------------------------+
 #     N           Min           Max        Median           Avg        Stddev
 # x  30      3.585183      3.763913      3.591559     3.5973344   0.031719975
+#
+# Other ministat options can be passed as well. The -S option splits the results
+# in multiple plots.
+
+
+usage() { echo "Usage: hist [-hSAns] [-c confidence] [-w width] files..." 1>&2; exit 1; }
+
+function stat_files() {
+	tmpfiles=()
+	sedcmd=""
+
+	for file in ${files[@]}; do
+		tmp=$(mktemp)
+		awk '/^time /{print $2}' "$file" > "$tmp"
+		sedcmd+="s:$tmp:$file:g;"
+		tmpfiles+=($tmp)
+	done
+
+	if [ $split == 1 ]; then
+		for f in "${tmpfiles[@]}"; do
+			ministat $ministat_opt $f | sed -e "$sedcmd"
+		done
+	else
+		ministat $ministat_opt ${tmpfiles[@]} | sed -e "$sedcmd"
+	fi
+
+	rm ${tmpfiles[@]}
+}
+
+split=0
+ministat_opt="-w72"
+
+while getopts "hSAnsc:w:" o; do
+    case "${o}" in
+        S) split=1 ;;
+        c) ministat_opt+=" -c $OPTARG" ;;
+        w) ministat_opt+=" -w $OPTARG" ;;
+        A) ministat_opt+=" -$o" ;;
+        n) ministat_opt+=" -$o" ;;
+        s) ministat_opt+=" -$o" ;;
+        *) usage ;;
+    esac
+done
+
+shift $((OPTIND-1))
 
 ministat=@ministat@/bin
+#ministat=/nix/store/sh9b484bnhkajxnblpwix7fhbkid6365-ministat-20150715-1/bin
 
 export PATH="$PATH:$ministat"
 
-files="$@"
-if [ -z "$files" ]; then
-	files=/proc/self/fd/0
+files=("$@")
+if [[ -z "${files[@]}" ]]; then
+	awk '/^time /{print $2}' | ministat $ministat_opt
+else
+	stat_files
 fi
-
-for file in "$files"; do
-        awk '/^time /{print $2}' $file | \
-        	ministat -w72
-done