Bash solution for week 98, part 1

1 files changed, 54 insertions, 0 deletions

diff --git a/challenge-098/abigail/bash/ch-1.sh b/challenge-098/abigail/bash/ch-1.sh
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+++ b/challenge-098/abigail/bash/ch-1.sh
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+#!/bin/sh
+
+#
+# See ../README.md
+#
+
+#
+# Run as: bash ch-1.sh < input-file
+#
+# Each line of input consists of a filename and an amount
+# of characters to read.
+#
+
+#
+# Create associative arrays
+#
+declare -A content
+declare -A read
+
+function readN {
+    #
+    # Read arguments
+    #
+    filename=$1
+    amount=$2
+
+    #
+    # First time? Then read in file.
+    #
+    if   [ "${read[$filename]}" != "1" ]
+    then read[$filename]=1
+         content[$filename]=$(<$filename)
+    fi
+
+    #
+    # Leading $amount characters
+    #
+    r=${content[$filename]:0:$amount}
+
+    #
+    # Remove $amount characters
+    #
+    content[$filename]=${content[$filename]:$amount}
+
+    echo $r
+}
+
+
+#
+# Read input, call readN
+#
+while read filename amount
+do    readN $filename $amount
+done