Differences

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--- scripting:sh [2012-03-21 19:47] – root
+++ scripting:sh [2016-05-20 17:00] (current) – root
@@ Line 1: / Line 1: @@
 ====== Bourne Shell ======
-== Text zeilenweise verarbeiten ==
+== Loop through multi line text (including spaces) ==
-<code>
+<code bash>
-while read LINE;
+while read LINE
 do
-        echo "${LINE}"
+    echo "${LINE}"
 done <<< "`printf "line1\nline2"`"
+</code>
+or in bashish with command output:
+<code bash>
+while read LINE
+do
+    echo "${LINE}"
+done <<< "$(ls -1)"
 </code>
@@ Line 13: / Line 22: @@
 awk
-  echo 3.14158 2.348 | awk '{ printf("%f\n", $1/$2) }'
+<code bash>
-  echo "" | awk '{ printf("%i\n", 10+5) }'
+echo 3.14158 2.348 | awk '{ printf("%f\n", $1/$2) }'
+echo "" | awk '{ printf("%i\n", 10+5) }'
+awk '{ print $1/2 }' <<< "5"
+</code>
 bc
-  echo "$charge_percent" | bc -l
+<code bash>
+echo "$charge_percent" | bc -l
-bash (nicht portable, deshalb nicht zu empfehlen)
+</code>
-  result=$((30*1000/60))
+bash
+<code bash>
+result=$((30*1000/60))
+</code>