List of Listings

Chapter 2. Tutorial: essential gnuplot

Listing 2.1. A typical data file: stock prices over time (file: prices)

Listing 2.2. Complete workflow to export to file

Chapter 3. The heart of the matter: the plot command

Listing 3.1. Data for figure 3.1 (file: records)

Listing 3.2. Examples of user-defined variables and constants

Listing 3.3. Examples of user-defined functions

Listing 3.4. Data for figure 3.6 (file: measurements)

Chapter 4. Managing data sets and files

Listing 4.1. Incomplete generic data file—see figure 4.1 (file: orders)

Listing 4.2. Commands for figure 4.1 (file: orders.gp)

Listing 4.3. Data file containing several sets (file: traffic1)

Listing 4.4. Data file containing interleaved data sets (file: traffic2)

Listing 4.5. Data file containing a missing value (file: missing)

Listing 4.6. Strings in data files need quotes only if they contain whitespace.

Listing 4.7. Column names in a data file (file: grains)

Listing 4.8. Defining a heredoc

Chapter 5. Practical matters: strings, loops, and history

Listing 5.1. Data for figure 5.1 (file: passwd)

Listing 5.2. Commands for figure 5.1 using data from listing 5.1 (file: passwd.gp)

Listing 5.3. Inline loop syntax for the plot and set commands

Listing 5.4. Typical output from the stats command

Chapter 6. A catalog of styles

Listing 6.1. Data for figures 6.9 and 6.10 (file: labels)

Listing 6.2. Data for figure 6.11 and listing 6.3 (file: shapes)

Listing 6.3. Commands for figure 6.11 using data from listing 6.2 (file: shapes.gp)