Differences

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--- bash:parse_a_line_from_a_file [2016/07/02 00:59] – peter
+++ bash:parse_a_line_from_a_file [2021/01/26 16:34] (current) – removed peter
@@ Line 1: / Line 1: @@
-====== Bash - Parse a line from a file ======
-Example File:
-<file>
-/17 21:04:01 sndc addr unit 1 : hu P1 (TempLinc)
-/17 21:04:02 sndc func StatusReq : hc P
-/17 21:04:04 rcvi addr unit 15 : hu P15 (TempAck_5)
-/17 21:04:04 rcvi func Preset : level 11
-/17 21:04:04 Temperature = 78 : hu P0 (office_temp)
-/17 21:19:01 sndc addr unit 1 : hu P1 (TempLinc)
-/17 21:19:02 sndc func StatusReq : hc P
-/17 21:19:05 rcvi addr unit 15 : hu P15 (TempAck_5)
-/17 21:19:05 rcvi func Preset : level 11
-/17 21:19:05 Temperature = 78 : hu P0 (office_temp)
-</file>
-<code>
-#!/bin/bash
-fil=/home/test.log
-# Test for existence of the test file
-if [ -f $fil ]
-then
-  # Read through the file looking for the word Temperature =
-  while read line
-  do
-    echo $line | grep -q Temperature
-    if [ $? == 0 ]; then
-    mytemp=`echo $line  | cut -d = -f2 | cut -d : -f1`
-    echo "Current temperature is: $mytemp"
-    fi
-  done < $fil
-fi
-</code>
-Returns:
-<code>
-Current temperature is:  78
-Current temperature is:  78
-</code>
-===== Only get last temperature record =====
-<code>
-#!/bin/bash
-fil=/home/heyu.log.ttyS0
-if [ -f $fil ]
-then
-mytemp=`grep Temperature $fil | tail -1 | cut -d = -f2 | cut -d : -f1`
-echo "Current temperature is: $mytemp"
-fi
-</code>